NPTI PGDC CET Sample Papers

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NPTI PGDC CET exam pattern :
The duration of CET will be 150 minutes.
The question paper will consist of multiple-choice objective questions

Part-I
General Aptitude (including basic mathematics/ basic Science / Language / Analytical Reasoning / Data interpretation etc,
Number of questions : 60

Part-II
General Engineering
Number of questions : 30

Part-III
Subject specialization paper in line with the qualifying Examination. The candidate should select one group only.

Common Group#
G-I Mechanical, Mechanical & Automation, Production Engineering or Equivalent

G-II Electrical, Electrical & Instrumentation, Electrical & Electronics Engineering or Equivalent

G-III Electronics, Electronics & Instrumentation Engineering, Control, Control & Instrumentation or Equivalent
Number of questions : 90

Q1. If TEST is to be coded as SERT then STUDENT is to be coded as
i. RTUCDMS
ii. RTTDDNV
iii. RTTDDNS
iv. SSUCEMT
Q2. What is the smallest number that may be added to make 899 a perfect cube
root?
i. 71
ii. 101
iii. 171
iv. 1
Q3. At what price a car is to be sold to get 20% gain If its purchase price is of Rs.
80,000/- ?
i. Rs. 92000
ii. Rs. 96000
iii. Rs. 64000
iv. Rs. 95000
and so on
Q31. to Q60. General Engineering/Science (Common)
Q31. 1 Horse power(HP) is equal to
i. 726 Watts
ii. 736 Watts
iii. 746 Watts
iv. 732 Watts
Q32. The function of a fuse in an electrical circuit is to
i. heat up
ii. protect by opening circuit
iii. sort by melting the circuit
iv. fuse for formation of alloy
Q33. For proper combustion, the following materials are required
i. proper fuel
ii. adequate air
iii. heat
iv. all the above
and so on.

PART-II
Q61. to Q120 Model question paper (Mechanical Specialization)
Q61. A perfect engine works on the Carnot cycle between 1000degree
centigrade and 200 degree centigrade. The efficiency of the engine will be
i. 80%
ii. 60%
iii. 62.8%
iv. 37.2%
Q62. At critical point the enthalpy of vaporization is
v. zero
vi. Minimum
vii. Maximum
viii. Unpredictable
Q63. When a strip made of iron and copper is heated
i. It gets twisted
ii. Iron bends on convex side
iii. Iron bends on concave side
iv. The strip breaks away
And so on

PART-II
Q61. to Q120 Model question paper (Electrical Specialization)
Q61. The percent regulation of the alternator at unity power factor is
i. 1.05
ii. 10.5
iii. 21.5
iv. 27.5
Q62. Zero power factor method of an alternator is used to find its
i. field resistance
ii. armature resistance
iii. efficiency
iv. voltage regulation
Q63. An induction motor is
i. self-starting with zero torque
ii. self-starting with high torque
iii. self-starting with small torque as compared to rated torque
iv. assisted starting with zero torque
and so on
PART-II
Q61. to Q120 Model question paper (Electronics/Electronics &
Communication / Instrumentation Specialization)
Q61. The intrinsic strand off ratio (η)of a UJT lies between
i. zero
ii. Greater than 1
iii. 0.5 < η< 1
iv. 0 < η< 0.5
Q62. In a single phase dual converter, α1 and α2 are firing angles of the two
converters. Then
i. α1-α2 = π/2
ii. α1+α2 = π
iii. α1-α2 = π
iv. α1+α2 = π/2
Q63. Microwave antenna aperture efficiency depends on
i. Feed pattern
ii. Low side lobe levels
iii. Surface losses
iv. Antenna aperture
and so on

National Power Training Institute (NPTI) offers admission to Post Graduate Diploma in Thermal Power Plant Engineering, through a national level entrance test.

Eligibility for NTPI PGDC CET
Must have B.Tech / B.E degree in any of the following streams i.e.:
Mechanical Engineering
Electrical Engineering
Electronics Engineering
Power Engineering
Control & Instrumentation Engineering

Exam Pattern of NTPI PGDC CET
There will be a total of 180 questions of objective type

Each question carries 2 marks.
Negative marking- ½ marks will be deducted for each wrong answer.

Time duration: 150 minutes.

There will be 3 sections for the entrance test. General Aptitude section covers topics on
Basic mathematics
Basic Science
General English
Analytical Reasoning
Data interpretation

Second section comprises topics on General Engineering.

Third section covers questions on Technical knowledge, from which applicant can select one among them.
Mechanical Engineering or Equivalent
Electrical Engineering or Equivalent
Electronics/Control & Instrumentation Engineering or Equivalent

NTPI PGDC CET Question Paper

11. A termer eelel twe ei hie eewe fer 215A He eelcl ene eew et e prefit ef 15%
and ether fer e leee ef 15%. Teteliy he geineci 5% en eelling heth the eewe. Whet
ie the eriginel eeet ef eeeh eew?
[e] 135 and TE} {h} 125 encl 5E1
Eel 155 end 55 {@115 encl 55
1112- If e nten 1were te eell hie eeeler fer Fte. TEEH- , he weeiri Ieee 25%, In whet
price he eheule eell it te gein 25%“?
{e} e5. eeer- in; Re. teen;-
{:1} Fe ’lEiUUi- {in Re. 12555“-
Qii. Find the leee pereentege it the selling eriee ef 15 erengee ie eguel te the eeet
price ei 15 erengee
{e} we {h} 50%
{e} 11 1e “e e1} 22 5e e.
{14. A deteetitre eheir eeeting Re. 5'35!- ie being eelcl at e leee et 5%. It the price is
further reduced by 5%, then the eetling eriee ie
{a} e5. mtee (h) R5555
{e} eeeeeee (e; Refill
Q5. Find the ne:-:t number in the eeriee
e,1,e,1e._
{e} 22 {h} 24
tel 25 re} 2:3
(15. A trein treiieie e eertein clietenee tel-ting it hre in terwere jeurney, during the
return ieurney inereeeecl epeeel lEkmihr tekee the tirnee 5 hre. 1u'li'i‘iet ie the
distance treireied
ta] Elillltme {ti} ‘EilIllqrne
ieifitiltnte {rt} ZUkrne

PGEIC — (1151' 1H“?
111?. Find the next number in the series
t,-3.3,-1,a,1,?,_
{all 3 {all
it?) 4 {till -2
Eta- By eelling ea hall gene far He. ‘ltiuil- a geraan teeea 20% . Haw man}.r hail
gene ahaulrl he aalel far He. Eitil- ta have a grefit at 25%?
{a} aa (a) a5
{a St] {a} 35
[19. What price ahauld he marked an the market price [MRF‘J at an item which
eeete Re- lEUUf- ea ae te gain 12% even after allawing a aiaeeunt at 16%
{a} Re. aarrr- [h] Ref 146th“-
le} Re. lEHJElI- [d] Re- Haul“-
fill]- Square raet at [99) * aguare met at {395) =
{at ea {in} 1535
{a} 132 (a) 99
U11. The prahahility at getting either a bleak earcl er a lting tram a ehuttlerl earrt
peek {at 52 cards} at ranttam ia
Q12. lt Chitra ranks 15th in a elaee at 38 etuctente, what will be her rank tram the
last?
l l
{at EU {a} 23
lnat. $13-15 . Theae gueetiene are haeecl en the tallawing intermatien
‘F'@Q' meana 'F' la mether at El'
'PEQ' meana ' Pie huehancl at {I
'Ptttlt' meane 'F' is eiater at [11'
'F‘Tl' meane 'P is een at '1'
£313. Which at the taliewing indieatea the relatiene ehip 'R is daughter at T'

Q14. 'M"H@D$i'{' represents whet reletien pt H with K?
ie] Mether its} Fether
is) Mether in Lew [e] Grenci tether
{115. |t'F#.J*T$R@L'
is) i_ is prsther pf F {bl L is prether pt J
is} F is prether pt J {d} F is sister [if L
title. 'A@E#Z*Iui' represents whet sen be the reietienship petwsen s and M?
is} Greritt Fri-ether {In} Husband
is} Greeiether id) Father
Qti‘. in e sertein eerie 'DEAF' is written es 358? end ‘FILE‘ is written es mes.
Hew IDEAL see be written?
is] 48536 {is} #3555
is] 53545 {d} 43555
[iii-Bin e eertein secte 'CENTRAL' is written es 'EEF’TTAN' then hew 'SEMINAFE'
sen be written?
is} SGMKNCR its} UEUKPAT
is} SGF’HNCR {pl} UEtIliF‘AT
U19. lf‘ EARTHCJUATE' is series es 'MUDGF'ENJUSM‘ then ’EQUATE' will he
ppclee es
la} eetieem is] messes
{C} NJCJGF’M is] MEeems
esp. rr 'THUUSAND' is speed es 'SGNTHZMC' then 'FLJMtNG' will his speed es
ie'ji semee its ETHLMF
{is ETLHMF is} EULJMH
U21 Y setehes 5 times rnere fishes then X. If tetel number of fishes seeght tw P'I
end ‘6 is 45-, then nurnper pi fishes eeught by X“?
is) hit {pl 53
is} E is} ?
i122 Twe pipes ss B can till e tens in 35 heurs ensi 45 heurs respectively. It peth
the pipes ere ppened sirnulteneeesly, hsw ntush time will he teken ts till the
tens“?
ieji is is) era
(is sp is] 413

{123. In a eirnultaneeue threwr eftwe eiee, what la the erehahility efgettlng a tetal
et 1D er 11?
tel W35 {at area
£124. In certain eetle language 'euge hui reel ze' etanee fer 'werk ialren,r hare“,
'hul elege ha ki' fer 'Binge is very emart‘ ; ‘nahe mu! euge‘ fer ‘ealte is hard' and
'rnel lti ge' fer 'emart and hard'.
Which ef the fellewihg were etane'e fer Binge?
{a} Duge {h} hii
[e] Ba tel} Met
Q25. tn eertat'n language 'FCIH' atanee fer 'ele ie III-‘lelrlr , 'RUT' etantle fer Belt! is
pure and 'RUM‘ atanee fer 'Gele ie eeatlg' then hew will 'Pere ele gele Ta eeathr' te
he written?
{a} FUTRM he TFReM
{e} FTaeM tel TeFnM
£126. In a eertain eee'e '4 1 5‘ means 'mllk is; het‘ ; “l 3' means ‘het aeue‘; and '8 El
5' rneane 'eeue ie taety'- Then what is the eetle fer tasty?
{a} 9 {h} 3
{El 5 lid} 4
D2?.ln a eertain eeele '@ + ?' reeana 'l rhet Seeha', '+ *-' rneane 'Sueha and
Harieh‘ ane '* ’F’ A' rneane ' Harieh met Rem' then wht'eh efthe fellewing ie the
meaninhg efthe eeee '@‘?
{a} Rare (h) rnet
tel E-ueha {g} |
13128. if 'rain' is ealiee ‘water', 'water' is eallee air“, 'air' is eatled 'eleue',‘eleue‘ ie
eallee 'alty‘, *el-ctr' ie eallee raea'l ‘eea‘ ie eallee 'read', where ee aereelahee fig“?
'15} WBtEF {h} Read
le) Sea {{1} Gleue
{1129. lf1erange' ie eallee 'Lernen', 'Lerneh‘ ta eallee 'Flewer‘ , 1Flelrrer la eallee
'Fieh'r 'Fieh' ie ealleel 'Tail', 'Tail' ie eallett 'F'en', what is a 'Reae"?
{a} Pen {h} Fieh
[e] Flewer {rt} Lernert

{135. if 'Sun' is called 'Hen', 'Hen' is called 'Pcnd', 'Pcnd is called 'Jctr', ‘Jey‘ is
called 'rnute',‘nnute' is called ncise',then 1what raises in the East?
{a} Hen ED} Jcnr
{c} Mute id} F'cnd
£131.- Wccd is tc peiish as ircn is tc
{a} lndustnir {h} Rust
[c] Galvanisaticn (d) strength
$32.11. ladyr runs ‘12 iirn trcrn Nerth. then B itrn tdwards Seuth and then B ltrn
East. Haw far is she frern her starting paint and in which directidn'?
ia} Elfin Ncrth-East is} slim East
{c} 1D Hrn Ncrth-East id] 'lUHi‘i‘l West
i133. Ftia travels in Nerth Eiirectien and then turn left. After travelling tar same
time she turn left, again left and right. Later in the jciurneyr She turns left and lefi
cnce again. What is the directien she is facing new“?
{a} hierth {bl West
{c} East {d} Seuth
Q34Rana jaurnetrs “liIi HM te Eastthen 1U Krn ta sauthwest. He turn again and
jcurnegrs tiIiltn': tcwards Nerth-west. Which directicn is he train the starting paint?
{a} Sauth {h} Ncrth
{c} East (d) West
{135-35 Fill in the banks with the mast apcrcpriate eptien.
Q35. 13.2113 + 5.409 + = 24.?1
{a} 5.515 {D}4.T1E~
{s} Elli-13 {d} @1355
ass. [541.952 * rsasi i new =
[a] 24!} its ace
@1214 id} 256

GET. Naysen is taller than F'ushpa but not as tall as Manish. Ftama is taller than
Mamta but not tall as F'uspa. Who among them is the tallest“?
{a} Manish lb} Nayeen
is] lyiamta id} Pushpa
G38- Pointing to a photograph of a girl , Rajan said "She has no sister or
Daughters but her mother is the only daughter of my mother". How is the girl in
the photograph related with Rajan's mother?
(a) Sister in Law Eb} Grand Daughter
is) Daughter in law to) Grand mother
|l3139.l1'ointingto a gentleman, Deepait said, "His only brother is the father of my
daughter‘s father“- How is the gentleman related to Despair?
{a} Father {b1 Grand father
to Uncle is} Brother in law
G413. in a row of boys Sam is Bth from the right and Chand is 12th from the left.
When Sam and Ghand interohange their position Chand beoomes 21 st from the
left. Whioh of the following position 1will he Sam's position from the right?
[141. A sum of Rs. 81? is diyided among AB and G suoh that ‘A' reoeiyes 25%
rnore than ‘5' and ‘B’ reoeiyes 25 its less than ‘G'. What is the ‘A's share in the
amount? “
{a} Re. 25351“— {b} He. 24Wr
is} Fts. 22w - rs] Fts. sour-
instructions: G42-G'd3 study the foff-owfng r'nformafron and answer the questions below
I. Seyen books are plaoed one aboye the other in a particular way
ll History book is pissed esaotly aboye oiyies booic
lll. Geography book is fourth from the bottom and English book is fifth from the
top
l‘yl. There are two booits between Giyios and Eoonomios books
[142. How many books are there behyeen Ciyios and Soienoe books“? To answer
this question, which other extra information is required, if any seieot from the
following.
{sjThere are 2 books between mathematios {b} There are 2 books between
And geometry geography and soienoe books
[of] The oiyios book is before 2 books aboye {d} There is one book between
Economies book English and SGTEHGE

ill-<13. But at the fetlewing, with three beblts are kept abeve English bbelt'P. Te
answer this guestien,.whieh efthe ether inferrnatibn, if any is required?
is} There are 2 beaks between English {bi The Eeenernibs banks is
And l-tistnrv between English and Science beet-ts
is) The Science beak is pissed at the tub {d} The Geegraphv best: is
abeve English Bedtt
tnstruettens .' {144-45 study the fettewtng i'nt'nrmatr'nn and answer the qtresh'nns betew.
l- Satish, Khan, Budra, lvlehan and Tapan are five friends whe stayr in ene
building
It. Eaeh ene bwn a separate garage i, ii, iii, iv and v and a different eblbured ear
viz. Bed, Yellew. White, Black and Blue
lll. lthan dees net bwn either garage 'iv' and 'v’. His ear is at red eeieur
l‘v'. lvlbhsn ewns veitew eeieured bar and garage riii'
‘v' Taban whb ewn garage 'i' dues net ewn blaelt er white eelbured ear
ill-114. whe bwns a blue betbured ear?
is} Bathish {b} Budra
{e} Tapan {d1 data inadequate
B45. Whe ewns garage “iv”?
{a} either sathish er Ftudra {bl Budra
{e} Sathish {d} bwner at Blue bar
i145- whieh ef the fbliewing eenvbinatien bf beleur bf ear and garage is sunset?
{at white-iv {b} Red-'v'
{all BIEtCk—‘iv’ ttn slits-'1‘
tnstntbti'ens eat-eta Mere then statements are given. Based en this resutve a tnest abbrebn'ate
ennelustnn given as eptinns.
Elli-F. The Baiva Babha ebbbsitien rnade a hue and erv ever the diseretienarv
debisien ef the gevernrnent relating tn duets alibtment ef betrel burnps and LPG
sgeneies. Thev alse bbinted but the irregularities in this base and sernittelled the
betreleuin state l‘vlinister tb issue a ebmblete list at atletrnents..
{a}. The ebbesitien intends raising this issue in the Lnlt Babha slsb
[b] Besides the diseretienatv gusts alletrnent, the LEG ageneies had betrei
pumps have been alletted en the basis at dav-te-dav requirements
{a} Bush irregularities were never eernrnitted in the past
{d} 1ihihenever such an alletrnent takes biabe , this tvbe bf irregularities are bften
eernrnitted.

£145. Everv man sheutd have his identity eard with him. That eard sheutd mentien
his hleed greue, semelete address and teleehene numher ter eentaet, in ease
seme serieus aeeidents talte elaee-
{a} In ease et emergenev. he mav ferget his address and magir need the card te
eentaet his heese
{h} The pelieetheleing hand needs this intermatien seeeiallv when the aeeident is
fatal
is} Hene is sueeesed te terget his ehene numher under anv eireumstanees
id} Bleed ean net he transfused unless its greue is mentiened in the eard
U49. Eieeause et the high levei ditierenees in the ruling party, the nine menth eld
gevernment is en the verge et eellaese. The dissidents will he ahle te ereve their
maieritv
is} The ruling party,» else has the sueeert et seme et the dissidents.
th} It the eartv is divide, then there witl he a eatiinet reshuttle
is} It the eartiir is divided, then the present Ctvt's eelitieal eareer will eeme is an
end
id} The mid term eleetiens are eseeeted seen
GED. During 1936s, there were very few eeettrv farms and new the number has
inereased suhstantiallv. Eaeh et the tellewing statements, if true , eeutd explain
this . Eiteeet
(a) Mere and mere eeeete are turning te vegetarianism
{hi There are many veeatienal eeurses en eeuitrv
(e) The demand ter eeultrv predeets has been inerease
{d} Banks erevide leans ter setting up eeultrv tarms
tnstruetr'ens {list-£353 in the euestr'eris an assamntt'en is given tettewed by three statement. 'l' he
assumetien is semething tatren ter granted. “r’ee nave te tind eat whether statements are eased
er? the given assarngtr'eri er net arreerdingltjir eheese veer answer tram the endless given eeteiv the
statements
{151- ritssumetien'.
Madav’s birthday was knewn its his friends
Statements
l. iviadav arranges hirthdav eartv entv ter his tamilv memlaers
ll. {in his B'dav. l'vladav reeeived a eeueuet and greeting eard trem his
friend threugh eeurier
ll]- tvladav reeeived hlessings trem his mether and heal wishes trem family
members
is} Univ lll is} eiw II and i
as eniv l and ill id} enlv ll

Q52. Assumptian: - .
After weekend hetislays, a persan shaulcl time ftesh and astiye
Statements
l. Leak, tauay is Manday. Ask Rayinura ta take up the new nrajest and
eseaute it by Wednesday eyening
ll. Sines it is Manday. aftiee atmasahete is relaxed. After lunch same
wark 1will begin.
lll. It's Friday atternaan. Can yau glue it tu me an Manday marning. i will
finish it by lunch
{a}- Elnly l and ll
{s} Unly l and Ill
(in) Only II
(a) anly lll
I353 Assumption:
[legs are trainable
Statements
1. [legs prefer human eantast
It. Must hauseheld tings are amatianally stahle
lll. [lag shew is an irnpsrtant item in any sirsus
{a} Only ill {b} unly ll
Es} Unlyl {a} Bath | and Ill
fill-.5463? Study the fattawtng taste earefutty and answer the guestt'sns gtyen
tretaw;
The Annual income at El persenseyer the year (in lass} _
[Years "Ferssns _
_ FHary Indira .tayram l Kiran l Lalita Manish
2332 last tits ass 1.33 | tan . 2.50
.2333 1.50 1:55- 212 1.1% E 1.92 g 2.31
2034 res 1.s4 2.25 res lass Essa _
aegis _‘____t.ea l-?t.l 2-3a _ sen ! 2-11 Esra
:__2_u_El_E_l__ 1.53 1.34 _ 2.33 ___2.Elfi 2-13 I 2.5.?
. seer 11's yes sae 2.1? 2.2s___ l ass _
Q54. in the year 2332, whs amengst the giyen peaple get the highest insrease
{in percentage] in their annual salary frarn the preyiaus year“?
{a} Manish
ts} Lalita
lb} HEW
{til lnsllra
E155.What is the aaprasitnate percentage increase in the annual ineeme at Hiran
in the year 2335 frarn that at the preyiaus year“?

£155- 1vli’hat ie the epprerrimete average annual ineerne ef Harv ever the given
years“?
{a} Re- 1.555 iaee {lei Re. 1.55 laee
ie} Re- 2.555 leee {5) Re. 1.552 laee
1515?. The average annual ineeme earned bv indira ever the given years is
apgreairnateiv vvhat gereent ef the average ineeme earned 5v Javran'i ever the
given veare‘?
{a} 15.15 (51115.55
{1:} 13.44 rate-1.51:1
Q55. What ie the reegeetive ratie efthe annual ineerne et lntiira and ivlanieh in
the veer 5555’?
[5] 232135 11512313?
[1:152:55 {ti} 43111111
r11155-515 Fill in the blanks with mere apprepn'ate pair ef were eerneinatiene
D55. Peegle te werlr. hard if veu eertain eenel'rtiene en them
{a} deeitle, negetiete (tr) trv, thruet
ie} glen. inveI-re {ttl heeitate. imgeee
1355. The eaelt vvae ee that Saleern earrv it.
(a1fuli, harttlv [h] harelv, full
te} heavv. hardlyr {ti} light. eaei,r

Part-ll (QM-QED)
General Engineering
[151. Which ef the tellewing transducer is used fer measuring high temperatures?
{a} Therme ceuele (bi Thermemeter
{c} lvleving ceil galvanemeter {d} Ll-tube
£162. The length eta eendueter {whese resistance was 'Ft'1iis deubled and the
cress sectienal diameter is decreased te half et its erevieus value. New , the
resistance ef the eendueter is
{c} Hi4 id) 4R
£153. in which at the fellewing medium seund waves can travel very fast
{a} vacuum {b} a'ir
{c} water (d) stene
U64- BETEB bytes are equal te
{a} 30 H Bytes {b} 32 H bytes
{c131 H bytes {d} 32.5 K bytes
i165.Which ef the fellewing is the best insulater'?
{a} Semicenducter {b} eercelain
{c} eetreleum gel {d} Diamend
GEE. Metallic bending is due is
{a} sharing ef electrens behveen {bi attractien between ien ceres and
adjacent atems ere ctrens
{c} everlaeping et eiectren cleds {d} sharing electrens between energy
levels
(15?. The type cf bend in SE}; is
is] ‘v'andawalls {bi attractive
{c} ienic id} Ce-vslent
HEB. Eddy currents ef cere can be minimized by
{a} decreasing the flux density {b} laminating the cere
{c} reducing cere velume {d} decreasing the number cf turns

{159. In a eapapiter eireuit, the eurrent leads the VDlTElQE p5; an angle 41. The lead
angle at the same eapaeitpr will he
{alt let all + =t
film. The effect at eleetrie shpelt pn human DUEW depends en
{a} Upltage {la} eurrent
{e1 peried pt epntaet [d] all the ahptre
QH. FTP stands fer
{a} Full Transmissipn Prpeedure {pi File Transfer prelpeel
is} Full Transmissipn F‘retpepl {d} File Transmissien prpeedure
GTE. 1|.il.lhiph at the tpllewing is net released trem burning pl lpssil fuel?
{a} Carhen-di-ei-tide {e} Sulphur dieside
{e} pepper aside {d} hlitrpgen aside
GTE. DiSSCIWEEl ppllutanl gases pan term
{a} ezene [p] Aeid rain
{at Alkali snew [d] Neutral hail
UH. Sulphur-di-pz-tide leseis can he redueed h}; using
{a} satalytie eenuerters {p} statie electricity le attraet it in taetery
ehimneys
[e] Lew sulphur fuels {d} mere ettieienl ear engines
GTE. 1illlhieh etthese atmpspherie ppllutant is net released by set exhausts?
{at Magenestum aside {h} earppn dl aside
{pi earhen mpne aside id} lead - aside
ENE. Garppn di pside dissewed in the eeeans pan he used by
{a} fish [p] phy'lpplanl-tten
{e} upleanpes {pl seeptanktpn
(1?? Spider is a mixture at
(a) Lead +til‘i {l3} lead +alun'lil‘iiurh
{e} Lead +siltrer {d} lead-r-eppper
CHE. The eemmpn material used her insulating steam pipe line is
{a} eetten lb} 85% magnesia and glass wpel
{e} saw dust id} Astlestes
Eli’s Insulating material used in spark plug is
{a} Hupher {pi Ppreelain
{e} Miea {d} Pplyswrene

gap. The fine are preyieeci en the heat transferring aurfaee
ta} ta inereaee temperature gradient {hi te inereaee heat transfer surface
area
{e} ta ihereaae heat transfer era-efficient {a} All the apeye
{181. 4.4 g pt CUE eentaine hew many litrea pf CUE at STP?
{a} 2-4 litre {h} 2.24 litre
{a} 44 litre {ti} 22.4 litre
E182. Silyerihg pf mirrer ia gene by
{a} nguea {a} AgEUS
{a} Peace {a} niaea
tlfiB- The meat malieahie metal is
{a} Spaium {h} Lead
{at Steel {:21} Geld
£184. The heayieet naturally eeeurring element is
{a} Uranium {in} Iran
[e] Siliea {a} Aluminium
1155. Hydraulic preaa ie haaed en
(a) Arehimetlea prineiple {h} Berneuli’a eguatipn
{e} Paeeai'e lay-lr (a) Fteynplizl‘alaytr
£155. A heat at mass 40 lag is at rest. A deg at mass 4 kg meyee in the heat with
a yeleeity pf ’ltimra. What is the yeleeity at treat?
l5} 4 mra th] 2 mile
fie} B mite (a) 1 mile
E18? Eplar energy is mainly paueecl due ta
i Burning ef hydregen in the eI-tygeri
1| Fiaeien at uranium preaent in the aun
) Fuaipn at pretane during eyntheeie at heayier elements
J Grayitatienal eentraetien

{158.
A iasar hsam is used for carrying out sorocryr hscausa it
Is highlyr monochromatic to;
Is highlyr directional to}
is highly.r cohcrsnt
Can hs sinarolgir tocusao
Sohcricat snaps of a water drop is ciao to
Sorfaco tcnsion {h}
Gravity {d}
Adhesion
lIltrsnsitg.r
. To an astronaut in space the sky will appear to ho
Biack
Dark hloc

1191.
{192.
Hill
@911.
£195 .
£196.
{1531
C195.
Part-Ill [QB1-Q1Bili}
Gcmmcn fer Electrical, Electrical lillnetrumentaticn, Electrical
ElElectrcnics Engineering and Equivalent Engineering
Additicn cfserces in the transfer functicn causes ccmpensaticn
[El]- lag tbllead
ici lead-rag id] ncne cftiiese
i-‘i step functien is appiied tn the input efa system and the cutput is at the farm y=t, the system is
la} stable {b]unstab|e
[cl ccnditicnally stable id] ncne at these
The phase shift cftite secbnd nrder system with transfer functicn Us is
[a] 9i] degrees ib] 13D degrees
lei-90 degrees [di-iE-lli degrees
lntrcducticn cf integral errcr changes a system trcm type
iai cne be time {b} tyre tc three
{di cne tc tern [dji tyre tc cne
The Lapiace transfcrm cf ramp is
lat us is; 1rsj
iri 1 id} U
The steady state acceleraticn errcr cf type '1 is
[aj rerc [b] unity
[ciiniinity {11} name at these
System respcnse is best cbtained with
[a] ramp signal {b} step signal
[Ell parabblii: [di impulse
LIT is nirericaded when
[a} its lead is less than burden
is} terminals are cpen circuit
[bi terminals are shcrt
[d] primary current is mere than mass

I1199.
E1199.
E1101.
{1192.
51193.
[1194.
Far the case at a transmissien line tvith sending end veltage same as receiving end and with P5 , Eta:
sending end pevver and Pr,t1rereceiving end pevvers
[a] it‘s =Pr=tIi Hit] [15=Ett' =9
A El :a digit, 2 v full scale slupe all": has its integcatidn time set te SUE! ms . ii- the input tn the ADC is
[lelait‘i EliltW, then the ADC output will he
it itelvin duuttle bridge is heat suited fer the measurement at
[a] inductance [til caeacita nce
{hl lew resistance [dl high resistance
Let the maeeitude at the cair" in the inverting tire-ante amelitter circuit shelter -e
Fight? he .s. with eat-itch 51. eeen. When the svaitcit 51 Is cleeecl, the magnitude
ef gale heccicnee '—
a
-—sctte—E/vv-—
a.
tree"
{at e tbi a
I
H II
A dvnamcimeter tvpe vvattmeter reapctnds te
{at average value ef active pdvver th] average value at reactive petver
{cl peak value at active newer ld} peak value at reactive puwer
e mdving cuil galvanerneter is made intc- a dc. ammetet tiv cunnecting
{al a levv resistance acress the meter
th] a high FESiStEII'IC'E.‘ in series with the meter
lc} a pure inductance acresa the meter
[di a capacitcrr irt SEi'iE'S with the meter
15

HIDE-
illEiE.
{1101
E1198-
£1109.
E1119.
if an ehergv meter tiisc maiies 1o revooition in 190 seconds when a loacl of 115111 W is connected to it,
the meter constant {in revi’liiWhl is
{a} 150i] {hi EUU [E] 15th] {it} Bill]
Resistances R1 anti Rs have respectivelv, nominal values of 1i] it and SE1 anti tolerances of i 5% anti -+_
113%. The range of values for the parallel combination of R1 and its is
la} 3.5T? £1 to 3-535 £1 lb] ZEUE f! to 5.3?1il
it} 3-23? it to aara £1 to: 3.192 ii to arias it
a saniple-ai'icl-hola [Ea'i—ii circuit, having a holding capacitor of {L's nFr is used at
the input of an ADE ianaloo-to-tiioital converter]. The conversion time otthe ADE
is 1usec. ancl during this timer the capacitor should not lose more than ass-a of
the charge out across it tic-ring the sampling time. The marrinwon'i val-Lia or the
inpuc signal to the Eo'H circuit is sv. ThE laaiiaga current of the Si'i-l circuit 5|TD'til't‘l
he less than
The current coil of a lilti “vi, 5 A, Hit-ii tvpe LPF wattnieter carries a current of
JE- costliliiilatjlh. The voltage across the pressure coil is fiiiliilisiniltifiativ. The
meter i-viii inciicate
{a} o is“ {a} too W {or zoo vi to} aoovr
The instrument that does not have anv restoring torque is
{it} D’rlirsonvai oalvanorneter
{i1} Ballistic cialvano meter
{B} Flip: rneter
{[1} MI instrument
Three EH: 1v'oltrrieters are connected in series across a 1243 v DC supplv. The voItrneters are specified as
follow:
Voltn'ieter A:1Eii1i iv“ , 5 Ma iv'oltr'natar B: 160 ‘v', 25¢] ohn'isri.i
voltmeter C:1i]ma, 15EiiIiiIifl

r$1111.
{1112.
5.113-
{11111-
£1115.
£1115.
The yciltages read hy meters sea and E are respectiyely
{a1 r-iiJ, 5i] and 3W lh] thee and tidy lcl 50,3!) and SEW {cl} spec and say
The tail pf EUU'y' lyli yhltmeter has a resistance at see It and an inductance at can. The meter reads
cprrectly at SUE-la ac supplies and takes IEitIlmr-t at full scale deflecticin. The reading plan instrument
when it is ccmnected tci EDEN DE supply is
la} EDGE [b] 19911 {cl Elllll'y' [d] {l ly'cil’ts
The primary current in a current transfcitrner is dictated by
{al the seccindary hurden {h} the care etthe tra nsfclrmer
{cl the lead current [d] rihne' cif the ahciye
a single channel digital sterage hscillcisccipe uses a 1d hit,1i]? samples per second r-‘inalhg —tp —digita|
cenyerter. Fcir a 1GB ilHz sine waye input, the num her at samples taken per cycle cf the input will he
[a] 10" is] set its :ip3+ {a} 1a2
In successiye appreiiimaticin AD ccinyerter, cil'tset yciltage ed UEI| th is LEE is added tn the Eii'it
cpnyerter's ciutput- This is dhne ta
ta] imprcwe the speed cif ciperaticin [hi reduce the maximum tiuantitatien errcir
[cl increase the numher pf hits at ciutput id} increase the range at cii‘p yhltage that can he cpnyerted
An tip-amp, ahying a slew rate pf 52.5 Wmicrc- secr is chnnected in a yeltage fpllciwer cpnfiguratipn. It
the maximum amplitude at the input sinuseicial is IE: “it, then the minimum frequency at which the
slew rate limited distptrticin wpuld set in in at the hutput is
{a] up hill-la is] see MHz {cl sap ryiui raises MHZ
is charged particle enters at 3i) degrees th the magnetic field .lts path hecemes
a. Circular [h] helical
{cl parahcilic [dl straight line
15

C1111
£1115-
[1119.
C1125.
l11'1121.
A spherical cancluctpr pf radius ‘a' with charge ‘n' is piaceci cpncentricalisr insicle
an uncharged ancl unearthed sphericai cpnciuctlng shell of inner and enter raclii
1'1 and r2 reaticctiiraiir. 'i'alcing ncitEntiai tci he cart: at infinity, the ppteritial at ani-r
t'iciint P within the aheli {r1 c :- rc rziwill be:
'1
'U i l:i'
a 1:" c
i } Lime-Er { J iFascia i 1 their:
a capacitor with initiai charge {1 at t=ti+ acts as
iaji short circuit {in} ppen circuit
ici current source id] upitage spurce
An inductcir at 1;: infinity with zerci initial canciiticin acts as
{a] shprt circuit its) open circuit
{c} current sciu rce {ci} upltage SDLEFEE
Laplace transfcirm analysis gives
[ai tirne cinn'iain {h} frequency cicirnain
[c} bath a it ii [iii ncine pf these
The laplace transiprm at a unit irripuise in time is
{Him {bi U
{c] 1 {ti} undefined
19
id]
451-" r

11122.
5123.
[112i
e125-
|11112 5.
The le-l eaaraeteristie as aeen ‘rern the terreineI-ean- in, E] eF the. '1-etere’i-L e'.r
Fae-Lelia“,- ' "-il'lI"r'-'-""| |! Fig.1.? {a}. IF an ine'eetante ef val-He e rel :c teeneeteel
aeress the te-e-inal Le... Ht. T. re tin-re cenatent er" thH'E'fFi'FFTI will be
- ' '1.-
is“ ___.---
*’———1-e
{a} 3 t: ear.
{In} 3.2 e-ee
{C} 31 5e:
a praetieal current spurt-e is usually represented he
{a} a resialanee in series with an ideal eurrent seuree
lhl a resistanee in parallel with an ieleal current seuree
{cl a reaiatanee in parallel wilh an ideal Heltage seuree
ltll Nene at the ahelre
If the length el the wire el resitanee Fl is pniferrnh,-I stretched te n limes its eriginai value, the
resistance at the wire new is
{al nit {t1} Fife it} nplt [all ltfnp'
The Lae'at'a :"ar-aterrn ei It'- Blair-1 Ilia:
' q a. 1-1: 2 -
ta] 5-3 e " Te“: {h} %e'“' ---1_-e"
5 2" 5'
1 -5 2 -5 . .
it} Fe :e er} l‘tE'lE' eftl'a aheve
"_-i. _
When the plate area ef a parallel plate eapaeiter is increased keeping the tapaeiter aelatge eenstant,
the feree between the plates
[al increases [la] decreases {cl remains eenstant
{til real; increase er decrease eepentling upen the metal rnalrin up the plates

__________________
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