SAIL MT Technical Previous Year Papers

Can any one here provide me the previous year SAIL MT Exam Question paper for Electronics??

Steel Authority of India Limited (SAIL) is among the top five highest profit earning corporate of the country. SAIL Conducts management trainee (MT) Exam

Here I am sharing the Previous Year Papers of SAIL MT Technical – Electronics

1. In a communication system, noise is most likely to get into the system
(A) at the transmitter
(B) in the channel
(C) in the information source
(D) at the destination
2. When modulation frequency is doubled, the modulation index is halved, and the modulating voltage
remains constant, the modulation system is
(A) amplitude modulation
(B) phase modulation
(C) frequency modulation
(D) angle modulation
3. Impedance inversion may be obtained with
(A) a short – circuited stub
(B) an open – circuited stub
(C) a quarter – wave line
(D) a half – wave line
4. HIGH frequency waves are
(A) observed by the F2 layer
(B) reflected by D layer
(C) capable of use for long-distance communication on the moon
(D) affected by the solar cycle
5. Which one of the following terms does not apply to the Yagi-uda array
(A) Good band width
(B) Parasitic elements
(C) Folded diploe
(D) High gain
6. A duplexer is used
(A) to couple two different antennae to a transmitter without mutual interference
(B) to allow one antenna to be used for reception or transmission without mutual interference
(C) to prevent interference between two antennae when they are connected to receiver
(D) to increase the speed of the pulses in pulsed radar
7. Indicate which of the following system is digital
(A) Pulse – Position modulation
(B) Pulse – Code modulation
(C) Pulse – Width modulation
(D) Pulse – Frequency modulation
8. A forward error correcting code corrects errors only
(A) requiring partial retransmission of the signal
(B) requiring retransmission of entire signal
(C) using parity to correct to errors in all cases
(D) requiring no part of the signal to be transmitted
9. A typical signal strength received from a geosynchronous communication satellite is of the order of
(A) a few milli watts
(B) kilo watts (C) watts
(D) few pico watts
10. Telephone traffic is measured
(A) with echo cancellers
(B) by the relative congestion
(C) in terms of the grade of service
(D) in erlangs
11. Positive logic in a logic circuit is one in which
(A) logic 0 and 1 are represented by 0 and positive voltage respectively
(B) logic 0 and 1 are represented by negative and positive voltages respectively
(C) logic 0 voltage level in higher than logic 1 voltage level
(D) logic 0 voltage level is lower than logic 1 voltage level
12. A half-adder can be made from
(A) two NAND gates
(B) a NOT gate and an OR gate
(C) an AND gate and an OR gate
(D) an AND gate and an X-OR gate
13. Which of the following devices has its characteristics very close to that of an ideal current source.
(A) Field effect transistor
(B) Transistor in common bas mode
(C) Zener diode
(D) MOSFET
14. The main use of a common base transistor amplifier is
(A) as voltage amplifier
(B) current amplifier
(C) for matching a high source impedance to a low load impedance
(D) for rectification of a.c. signal
15. A class-B amplifier is biased
(A) Just at cut-off
(B) nearly twice cut-off
(C) at mid point of load line
(D) so that IB equals jut IC
16. If the peak transmitted power in a radar system is increased by a factor of 16, the maximum range
will be increased by a factor of
(A) 2 (B) 4 (C) 8 (D) 16
17. A high PRF will (indicate the false statement)
(A) make the returned echoes easier to distinguish from noise
(B) make target tracking easier with conical scanning
(C) increase the maximum range
(D) have no effect of the range resolution
18. A solution to the “blind speed” problem in a radar system is to
(A) change the Doppler frequency
(B) vary the PRF
(C) use mono pulse
(D) use MTI
19. The number of active picture elements in a television image depends on
(A) fly back time
(B) CRT screen size
(C) received band width
(D) FB ratio of receiver antenna
20. In a colour TV, the three primary colours are
(A) red, orange and blue
(B) red, blue and green
(C) red, green and yellow
(D) red, orange and green

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Will you please share with me the Steel Authority of India Management Trainee previous year question papers as it is very urgent for me?

As you want to get the Steel Authority of India Management Trainee previous year question papers so here is the information of the same for you:

The chronological order of strokes in a four stroke petrol engine is
1] Suction stroke, working stroke, compression stroke and exhaust stroke.
2] Suction stroke, compression stroke, working stroke and exhaust stroke.
3] Compression stroke, working stroke, suction stroke and exhaust stroke.
4] Compression stroke, suction stroke, working stroke and exhaust stroke.
The enthalpy of steam is defined as
1] Difference of internal energy and product of pressure and volume.
2] Product of internal energy and pressure.
3] Sum of internal energy and product of pressure and volume.
4] Amount of heat change divided by the absolute temperature.
Which of the following operations can be performed using a drilling machine
A. Reaming B. Countersinking C. Spot Facing D.
Thread tapping
1] Only A, B and D 2] Only B, C and D 3] Only A, B and C 4] All of
these
Which of the following are the advantages of impulse turbine over reaction turbines
A. Occupies less space per unit power.
B. Compounding is not necessary for speed reduction as the rotor speeds are usually low.
C. Suitable for high power generation.
1] B and C only 2] A only 3] C only 4] A and C only
Maximum power transfer through line V1= 110 kv, V2= 100kv, X=22 ohm is
a 500 MW
b 500 KW
c 250 MW
d 250 KW
Ans 500 MW
Q.Which type of power plant requires maximum expenditure
a Hydel power plants
b Nuclear power plants
c Thermal power plants
d Gas based power plants
Q.Base load of a power station stands for
a 2-4 hoursday
b 4-8 hoursday
c 8-12 hoursday
d 12-24hoursday
Ans 12-24hoursday
Q.A wire is placed on the top of a transmission line to protect from
a surge high voltage
b Direct lightning strocks
c indirect lightnin strocks
d Switching over voltages
Ans Direct lightning strocks
Q.A wire is placed on the top of a transmission line acts as
a acts as a phase wire
b acts as neutral
c acts as a transmission wire
d acts as ground wire
Which of the following can be magnified by magnetic amplifier
(a) voltage
(b) current
(c) power
(d) none of above
The inductance is not used in lag network because of
(a) big size
b) time delay and hysteresis losses
(c) high reactance
(d) none of these
Saturation in a stable control system can cause
(a) conditional stability
(b) over damping
(c) low level oscillations
(d) high level oscillations
Excessive noise in control systems can cause
a) reduction in bandwidth
(b) reduction in gain
(c) saturation in amplifying stages
(d) oscillations
The type-0 system has
(a) net pole at the origin
(b) no pole at the origin
(c) simple at one origin
(d) two poles at the origin
In control systems, excessive bandwidth should be avoided because
(a) noise is proportional to bandwidth
(b) it leads to low relative stability
(c) it leads to slow speed of response
(d) none of these
In most systems, an increase in gain leads to
(a) larger damping ratio
(b) smaller damping ratio
(c) constant damping ratio
(d) none of these
A step function is applied to the input of a system and output is of the form y = t, the system is
(a) stable
(b) unstable
(c) not necessarily stable
(d) conditionally stable
The function of the safety resistor in ohm meter is to
(a) limit the current in the coil
(b) increase the voltage drop across the coil
(c) increase the current in the coil
(d) protect the battery
Which of the following instruments is free from hysteresis and eddy current losses
(a) M.l. instrument
(b) electrostatic instrument
(c) electrodynamometer type instrument
(d)all of these
The dielectric loss of a capacitance can be measured by
(a) Wien bridge
(b) Owen bridge
(c) Schering bridge
(d) Maxwell bridge
Reed frequency meter is essentially a
(a) recording system
(b) deflection measuring system
(c) vibration measuring system
(d) oscillatory measuring system
In measurements made using a Q meter, high impedance elements should preferably be connected in
(a) star
(b) delta
(c) series
(d) parallel
A digital voltmeter measures
(a) peak value
(b) peak-to-peak value
(c) rms value
(d) average value
1. A definite area or space where some thermodynamic process takes place is known as
A thermodynamic system B thermodynamic cycle
C thermodynamic process D thermodynamic law
2. Which of the following is an intensive property of a thermodynamic system?
A volume B Temperature
C mass D energy
3. Temperature at which the volume of the gas becomes 0 is called
A absolute scale of temperature B absolute 0 temperature
C absolute temperature D none of these
4. The unit of energy in SI units is
A joule B joule metre
C watt D joule/metre
5. 1 joule is equal to
A 1 Nm B kNm
C 10 Nm/s D 10 kNm/s
6. In an irreversible process there is a
A loss of heat B no loss of heat
C gain of heat D no gain of heat
7. The following is an SI engine
A diesel engine B petrol engine
C gas engine D none of the above
8. In a 4 stroke cycle petrol engine during suction stroke
A only air is sucked in B only petrol is sucked in
C mixture of petrol and air is sucked in
D none of the above
9. The thermal efficiency of petrol engine as compared to diesel engine is
A lower B higher
C same for same power output D same for same speed
10. Compression ratio of diesel engines may have a range
A 8 to 10 B 10 to 15
C 16 to 20 D none of the above
11 The thermal efficiency of good I.C engine at the rated load is in the range of
A 80 to 90% B 60 to 70%
C 30 to 35% D 10 to 20%
12 Carburettor is used for
A SI engines B gas engines
C CI engines D none of the above
13 In SI engine to develop high voltage for spark plug
A battery is installed B distributor is installed
C carburetor is installed D ignition coil is installed
14 In a four cylinder petrol engine the standard firing order is
A 1-2-3-4 B 1-4-3-2
C 1-3-2-4 D 1-3-4-2
15 The knocking is SI engines increases with
A increase in inlet air temperature B increase in compression ratio
C increase in cooling water temperature D all of the above
16 Petrol commercially available in India for Indian passenger cars has octane
number in the range
A 40 to 50 B 60 to 70
C 80 to 85 D 95 to 100
17 The knocking tendency in C.I engines increases with
A decrease of compression ratio B increase of compression ratio
C increasing the temperature of inlet air D increasing cooling water
temperature
18 The air standard otto cycle comprises
A two constant pressure processes and two constant volume processes
B two constant pressure and two constant entropy processes
C two constant volume processes and two constant entropy processes
D none of the above
19 The thermal efficiency of theoretical otto cycle
A increases with increase in compression ratio
B increases with increase in isentropic index gamma
C does not depend upon the pressure ratio
D follows of the above
20 Thermal efficiency of a gas turbine plant has compared to diesel engine plant is
A higher B lower
C same D may be higher or lower
21 Mechanical efficiency of a gas turbine as compared to internal combustion
Reciprocating engine is
A higher B lower
C same D unpredictable
22 For a gas turbine the pressure ratio may be in the range
A 2 to 3 B 3 to 5
C 16 to 18 D 18 to 22
23 Thermal efficiency of a closed cycle gas turbine plant increases by
A reheating B intercooling
C regenerator D all of the above
24With the increase in pressure ratio thermal efficiency of a simple gas turbine
Plant with fixed turbine inlet temperature
A decreases B increases
C first increases and then decreases D first decreases and then increases
25In two stage turbine plant, reheating after first stage
A increases work ratio B decreases work ratio
C does not affect work ratio D none of the above
26For a jet propulsion unit , ideally the compressor work and turbine work are
A equal B unequal
C not related to each other D unpredictable
27 Various kinematic pairs are given below.choose the lower pair
A ball bearings B tooth gears in mesh
C camm and follower D crank shaft and bearing
28The relation between the number of pairs forming a kinematic chain and the
Number of links is
A l=2p-2 B l=2p-3
C l=2P-4 D l=2p-5
29In a reciprocating engine
A crankshaft and flywheel form 2 kinematic links
B crankshaft and flywheel form 1 kinematics links
C crankshaft and flywheel do not form kinematic links
D flywheel and crankshaft separately form kinematic links
30A kinematic chain is known as a mechanism when
A none of the link is fixed
B one of the links is fixed
C two of the links are fixed
D all of the links are fixed
31 Which of the following is an inversion of single slider crank chain?
A beam engine
B watt’s indicator mechanism
C elliptical trammels
D whitworth quick return motion mechanism
32 control volumes refer to
A a fixed region in space
B a specified mass
C an isolated system
D a closed system
33An isentropic process is always
A irreversible and adiabatic
B reversible and isothermal
C friction less and irreversible
D reversible and adiabatic
34Work done in a free expansion process is
A 0
B minimum
C maximum
D positive

SAIL MT Syllabus:
Management trainee syllabus covers 5 segments that is divided in 2 parts:

1. Domain Knowledge Test (duration 75 minutes) : 100 marks
2. Aptitude Test (duration 75 minutes) : 100 marks

Aptitude test contains 4 segments --
Quantitative Aptitude : 25 marks
Verbal Ability : 25 marks
Reasoning : 25 marks
General Awareness : 25 marks

SAIL MT-Technical for Mechanical Engineer syllabus:
Meteorology and inspection
Theory of machines
Thermodynamics
Energy conservation
Inventory control
Fluid mechanics
Heat transfer
Fluid machines
Machine design
Operation research
Industry safety
Metal casting
Machining and machine tool operations
Heat transfer
Computer integrated manufacturing design
Production planning and control
Management information system
Engineering mechanics
Strength of materials
Engineering materials

Contact Details:
Steel Authority Of India Limited
No 5-9-13,
9th Floor, Taramandal Complex, Saifabad
Between Sahara Manzil And Samrat Complex
Ambedkar Colony,
Khairatabad
Hyderabad,
Telangana 500004
India

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