Previous SAIL Question Papers

Will you please provide me placement paper for recruitment of Steel Authority of India Limited ??

Here I am giving you placement paper for recruitment of Steel Authority of India Limited in a files attached with it so you can get it easily.

Steel Authority of India Limited placement paper

1. Mho relay is usually employed for the protection of
a) Short lines only
b) Medium lines only
c) Long lines only
d) Any line
Ans: Long lines only
2. A modern power semiconductor device IGBT is combines the characteristics of
a) BJT and MOSFET
b) FCT and GTO
c) SCR and MOSFET
d) SCR and BJT
Ans: BJT and MOSFET
3. For a single-phase a.c. to d.c. controlled rectifier to operate in regenerative mode, which of the
following conditions should be satisfied?
a) Half –controlled bridge, a < 90°, source of e.m.f. in load b) Half-controlled bridge, a > 90°, source
of e.m.f. in load
c) Full-controlled bridge, a > 90°, source of e.m.f. in load
d) Full-controlled bridge, a < 90°, source of e.m.f. in load Ans: Full-controlled bridge, a > 90°, source
of e.m.f. in load
4. Which is the most suitable power device for high frequency ( more 100 kHz) switching application?
a) Power MOSFET
b) BJT
c) SCR
d) UJT
Ans: Power MOSFET
5. In a thyristor Latching current is ________ than Holding current
a) Equal
b) Less
c) Greater
d) None
Ans: Greater
6. The transfer function of a system is 10/(1+s) when operating as a unity feedback system, the steady
state error to a step input will be
a) 0
b) 1/11
c) 10
d) Infinity
Ans: 1/11
7. Which one of the following statements for a dc machine which is provided with inter pole winding
(IW) as well as compensating winding (CW) is correct
a) Both IW and CW are connected in series with Armature winding
b) Both IW and CW are connected in parallel with Armature winding
c) IW connected in series but CW is connected in parallel with Armature winding
d) CW connected in series but IW is connected in parallel with Armature winding
Ans: Both IW and CW are connected in series with Armature winding
8. A 0-10 mA PMMC ammeter reads 5mA in a circuit; its bottom control spring snaps out suddenly the
meter will now read.
a) 5mA
b) 10mA
c) 2.5mA
d) 0
Ans: 0
9. A dc cumulatively compounded motor delivers rated load torque at rated speed. If series field is short
circuited, then the armature current and speed will
a) Both increases
b) Both decreases
c) Increases and decreases
d) Decreases and increases
Ans: Both increases
10. Moving coil in dynamometer wattmeter connected
a) In series with fixed coil
b) Across supply
c) In series with load
d) Across load
Ans: Across supply
11. In an induction machine, if the air gap increased
a) Speed will be reduced
b) Efficiency will be improved
c) Power factor will be lowered
d) Breakdown torque will be reduced
Ans: Power factor will be lowered
12. A CRO screen has ten divisions on the horizontal scale. If a voltage signal 5 sin 314t+45 deg)is
examined with a line base settings of 5 msec/div, the number of cycles of signal displayed on the screen
will be
a) 0.5 cycles
b) 2.5 cycles
c) 5 cycles
d) 10 cycles
Ans: 2.5 cycles
13. A 3-phase 50HZ SCIM takes a power input of 30 KW at its full load speed of 1440 rpm. Total stator
losses are 1 KW. The slip and rotor ohmic losses at full load are
a) 0.02, 600 W
b) 0.04, 580 W
c) 0.04, 1160 W
d) 0.04, 1200 W
Ans: 0.04, 1160 W
14. Thermocouple is used to measure
a) AC
b) DC
c) Both
d) None
Ans: Both
15. The two watt meters measurement the ratio of two meter readings is –(1-sqrt3) 1+sqrt3) then the
power factor is
a) 1
b) 0.866
c) 0.707
d) 0
Ans: 0.707
16. Hays bridge is used to measure___________ and Schering bridge is used to measure____________
a) Inductance, Inductance
b) Inductance, Capacitance
c) Capacitance, Inductance
d) Resistance, Capacitance
Ans: Inductance, Capacitance
17. When sine wave is given as input to Schmitt trigger then its generates
a) Sine wave
b) Saw tooth wave
c) Triangle wave
d) Square wave
Ans: Square wave
18. In Gauss Seidel method the following factors are influenced for operation
a) Acceleration factor
b) Selection of slack buss
c) Both
d) None
Ans: Selection of slack buss*
19.
i. (X’+Y’) A. Low-pass filter function
ii. (X’Y’) B. Sum
iii. (XY) C. NAND
D. Carry
E.NOR
a) i-C, ii-E, iii-D
b) i-C, ii-E, iii-B
c) i-C, ii-B, iii-D
d) i-C, ii-E, iii-A
Ans: i-C, ii-E, iii-D
20. The phase lead compensation is used to
a) Increase rise time and decrease overshoot
b) Decrease both rise time and overshoot
c) Increase both rise time and overshoot
d) Decrease rise time and increase overshoot
Ans: Decrease rise time and increase overshoot
21. Voltage feed back amplifier is a
a) Shunt-Shunt
b) Shunt-Series
c) Series-Shunt
d) Series- Series
Ans: Shunt-Shunt
22. In microprocessor the next instruction to be executed is stored in
a) Program Counter
b) Stack Pointer
c) Memory Pointer
d) Accumulator
Ans: Program Counter
23. The following element retains it energy after source is disconnected
a) Resister
b) Inductor
c) Capacitor
d) Thermistor
Ans:
24. In series RLC circuit at resonant
a) Voltage is in phase with current
b) Current is maximum
c) Inductive reactance = Capacitive reactance
d) All of the above
Ans: All of the above
25.For RC low pass filter R=100 K ohms, C= 5 micro farads then lower cutt of frequency is
a) 1 K HZ
b) 0 HZ
c) 381.3 HZ
d) Infinity
Ans:
26. V=100Sin (1000t+46 deg), I=2Sin (1000t+80 deg) what are the elements in the circuit
a) R=30 ohm, L=30 mH
b) R=30 ohm, C=33.3 micro farads
c) R=40 ohm, L=30 mH
d) R=40 ohm, L=33.3 micro farads
Ans: R=40 ohm, L=33.3 micro farads
27. L=10 mH, I=100Sin50t 0
a)
b)
c)
d)
Ans:
28. In dielectric measurement, the dielectric loss is proportional to
a) F
b) V
c) I
d) Vsqr
Ans: Vsqr
29. G(s) = (1-s)/s(s+2) then closed loop transfer function is
a) Unstable
b) Stable
c) Marginally stable
d) All
Ans: Stable
30. G(s) = (1+0.5s)/(1+s) find which type of net work it is
a) Lead net work
b) Lag net work
c) Lag - Lead net work
d) Lead - Lag net work
Ans: Lag net work
31. Temperature of electrode in Arc furnace is
a) 1000 deg
b) 1500 deg
c) 1500 deg to 3500 deg
d) 4500 deg
Ans:
32. In bode plot the point which separates the lower and upper frequencies is called
a) Critical point
b) Cut-off point
c)
d)
Ans:
33. Nyquest stability is used to determine
a) Absolute Stability
b) Relative Stability
c) Both
d) None
Ans: Both*
34. When 220V dc shunt alternator generating the voltage at rated value. If direction of rotation is
reversed, then alternator will
a) Build up its voltage with same polarity
b) Build up its voltage with opposite polarity
c) No build up of voltage
d) None
Ans: No build up of voltage
35. Over lap Angle depends on_________
a) Load inductance
b) Loa capacitance
c) Source inductance
d) Source capacitance
Ans: Source inductance
36. Area under speed time curve gives
a) Time
b) Speed
c) Distance
d) None
Ans: Distance
37. The regulation of Short Transmission lines depends up on
a) Distance of line
b) Frequency
c) Power factor
d) All
Ans: Power factor
38. Which of the following plant is having lowest load factor?
a) Diesel Plant
b) Pumped storage Plant
c) Thermal Plant
d) Nuclear Plant
Ans: Diesel Plan
39. For SR latch whent the out put is undesirable
a) 0, 0
b) 1, 0
c) 0, 1
d) 1, 1
Ans: 1, 1
40. For interrupting capacitive currents which Circuit Breaker (CB) is used
a) SF6 CB
b) Oil CB
c) Vacuum CB
d) Air blast CB
Ans: Vacuum CB
41. For V/F control, when frequency is increased in transformer
a) Core loss component current increases, Magnetizing component current decreases
b) Core loss component current increases, Magnetizing component current increases
c) Core loss component current decreases, Magnetizing component current decreases
d) Core loss component current decreases, Magnetizing component current increases
Ans: Core loss component current decreases, Magnetizing component current decreases
42. In ceiling fan the angle between auxiliary winding a main winding is
a) 0 deg
b) 90 deg
c) 180 deg
d) 360 deg
Ans: 90 deg
43. In a shaded pole motor, shaded rings are used to
a) Field flux production
b)
c)
d)
Ans: Field flux production
44. Practical method of improving string efficiency
a) Increasing crass arms length
b) Using different size of insulators
c) Using different insulator materials
d) Using of guard rings
Ans: Increasing crass arms length*
45. In which type of fault all 3-phase components are equal
a) L-G
b) L-L
c) L-L-G
d) 3-Phase fault
Ans: 3-Phase fault
46. 11/220 KV 100 MVA transformers, the primary base voltage rating is 10 KV then secondary base KV
is
a) 10 KV
b) 220 KV
c) 220/sqrt3
d)
Ans: 220/sqrt3*
47. Water hamming effect is occurs in
a) Surge tank
b) Penstock
c) Turbine
d) Reservoir
Ans: Penstock
48. Transient stability can be improved by
a) By putting series capacitor
b) By using dynamic resister
c) Auto re-closers
d) All of the above
Ans: All of the above
49. If sending end voltage is Vs at no-load in a transmission line then receiving end voltage is if ABCD
parameters of line is given
a) Vs
b) Vs/A
c) 0
d) Infinity
Ans: Vs/A
50. Harmonics are eliminated by using
a) Skewing of rotor
b) Distribution winding
c) Short pitch winding
d) All of the above
Ans: All of the above
51. For parallel operation of transformer at no load, then load shared are equal when
a) Impedance is proportional with respect to own KVA rating
b)
c)
d)
Ans: Impedance is proportional with respect to own KVA rating
52. In Induction motor Slip frequency of rotor current, when rotor speed is Nr. Then rotor producing slip
field rotates with respect to stator is
a) Slip frequency
b) Nr
c) Ns
d) None
Ans: Ns
53. Good regulation means
a) Less fluctuations from no-load to full-load
b)
c)
d)
Ans: Less fluctuation from no-load to full-load
54. At dead short circuit at terminals of Alternator then the current I is
a) ZPF Lag
b) ZPF lead
c) Unity power factor
d) 0.8 Power factor lag
Ans: ZPF Lag
55. Full scale Ammeter reading is 10 mA, Voltage across Ammeter is 100 mV. Then for 100 A
measurements the power loss in the circuit is
a) 1 W
b) 10 W
c) 100 W
d) 1000 W
Ans: 10 W*
56. When Alternator excitation increases and machine is operating at lagging power factor then
a) I increase
b) I decreases
c) No effect on current
d) None
Ans: I increase
57. Flue gases coming out from furnace is first going through
a) Turbine
b) Economizer
c) Air pre-heater
d) Chimney
Ans: Economizer
58. Two alternators rated are 200 KW at 4% regulation, 400 KW 5% regulation operating in parallel at
50HZ , when supply 600 KW the new frequency is
a) 50
b) 49
c) 51.3
d) 47.7
Ans: 47.7
59. Va and Vb are negative sequence component voltages the difference angle between Va and Vb with
respect to Va is
a) 240
b) 120
c) 180
d) 360
Ans: 120
60. 4-Quadrent operation of chopper I is positive but V is may be positive are negative operates in which
quadrant
a) 1 and 2
b) 2 and 3
c) 1 and 3
d) 1 and 4
Ans: 1 and 4
61. Heat convection, radiation, and conduction all are takes place in
a) Ice
b) Boiler
c) Refrigerator
d) Flue gases in pipe
Ans:
62. When moving iron meter is used to measure d.c current what is the disadvantage
a) It calibration in rms value
b)
c)
d)
Ans:
63. When maximum power transfer to load is
a) 20 W
b) 50 W
c) 100W
d) 0W
Ans: 0W
64. Find Zbus Parameters
a) Z11=Z12=Z21= j0.1 ohm, Z22=j0.3 ohm
b)
c)
d)
Ans: Z11=Z12=Z21= j0.1 ohm, Z22=j0.3 ohm
65. Find Z11 and Z12
a) Z11=4 ohm, Z12= 2 ohm
b) Z11=4 ohm, Z12= 5 ohm
c) Z11=5 ohm, Z12= 2 ohm
d) Z11=4 ohm, Z12= 3 ohm
Ans:
66. Current in 5 ohm resister is
a) 10 A
b) -10 A
c) 5 A
d) -5 A
Ans: -10 A
67. Find I in the circuit at t=0+
a) 2 A
b) 5 A
c) 7 A
d) 10 A
Ans:
8. Find voltage across inductor at t=0+
a) 0 V
b) 2.5 V
c) 5 V
d) 10 V
Ans: 5 V
69. This wave is applied to the PMMC meter, meter reads
a) 0 V
b) 3 V
c) 2 V
d) 1 V
Ans: 1 V
70. Find Vab
a) Zero
b) 50 at an angle of 90 deg
c) 50 at an angle of 90 deg
d) None
Ans:
71. Find E in the circuit
a) 5 V
b) 10 V
c) 20 V
d) None
Ans: None
72. Vab is reference then angle between Vab and Ib is
a) -15 deg
b) 240 deg
c) 180 deg
d) -45 deg
Ans: -15 deg*
63. When maximum power transfer to load is
Click Here to Show Diagram
a) 20 W
b) 50 W
c) 100W
d) 0W
Ans: 0W
64. Find Zbus Parameters
Click Here to Show Diagram
a) Z11=Z12=Z21= j0.1 ohm, Z22=j0.3 ohm
b)
c)
d)
Ans: Z11=Z12=Z21= j0.1 ohm, Z22=j0.3 ohm
65. Find Z11 and Z12
Click Here to Show Diagram
a) Z11=4 ohm, Z12= 2 ohm
b) Z11=4 ohm, Z12= 5 ohm
c) Z11=5 ohm, Z12= 2 ohm
d) Z11=4 ohm, Z12= 3 ohm
Ans:
66. Current in 5 ohm resister is
Click Here to Show Diagram
a) 10 A
b) -10 A
c) 5 A
d) -5 A
Ans: -10 A
67. Find I in the circuit at t=0+
Click Here to Show Diagram
a) 2 A
b) 5 A
c) 7 A
d) 10 A
Ans: 2 A
68. Find voltage across inductor at t=0+
Click Here to Show Diagram
a) 0 V
b) 2.5 V
c) 5 V
d) 10 V
Ans: 5 V
69. This wave is applied to the PMMC meter, meter reads
Click Here to Show Diagram
a) 0 V
b) 3 V
c) 2 V
d) 1 V
Ans: 1 V
70. Find Vab
Click Here to Show Diagram
a) Zero
b) 50 at an angle of 90 deg
c) 50 at an angle of 90 deg
d) None
Ans:
71. Find E in the circuit
Click Here to Show Diagram
a) 5 V
b) 10 V
c) 20 V
d) None
Ans: None
72. Vab is reference then angle between Vab and Ib is
Click Here to Show Diagram
a) -15 deg
b) 240 deg
c) 180 deg
d) -45 deg
Ans: -15 deg*

Steel Authority of India Limited placement paper

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

__________________
Answered By StudyChaCha Member

As you want to get SAIL placement paper so here I am giving you some questions of that paper:

a) Aptitude Questions:
1. Jagan went to another town covering 240 km by car moving at 60 kmph. Then he covered 400km by train moving at 100 kmph and then rest 200 km he covered by a bus moving at 50 kmph. The average speed during the whole journey was:

80 kmph
70 kmph
75 kmph
72 kmph

Answer: 1

2. A shopkeeper buys 144 eggs at 90 paise each. In the way 20 eggs were broken. He sold the remaining eggs at Rs. 1.20 each. The percentage gain or loss is

14.8% gain
12.9% gain
8.5% gain
4.8% gain

Answer: 2

3. Perimeter of the back wheel = 9 feet, front wheel = 7 feet on a certain distance, the front wheel gets 10 revolutions more than the back wheel .What is the distance?

123
315
310
320

Answer : 2

4. A shop gives 10% discount on the purchase of an item. If paid for in cash immediately, a further discount of 12% is given. If the original price of the item is Rs. 250, what is the price of the article if a cash purchase is made?

Rs. 200
Rs. 195
Rs. 198
Rs. 190

Answer:3

5. Perimeter of front wheel =30, back wheel = 20. If front wheel revolves 240 times. How many revolutions will the back wheel take?

350
320
310
360

Answer: 4

6. 20% of a 6 litre solution and 60% of 4 litre solution are mixed. What percentage of the mixture of solution

3%
36%
20%
15%

Answer: 2

7. City A's population is 68000, decreasing at a rate of 80 people per year. City B having population 42000 is increasing at a rate of 120 people per year. In how many years both the cities will have same population?

140
150
130
160

Answer: 3

8. A pipe of 2 inch diameter fills the water tank in one hour. If the diameter of the pipe is 4 inch in what time will the pipe fill the same tank?

10 minutes
15 minutes
30 minutes
45 minutes

Answer: 2

9.Two cars are 15 kms apart. One is turning at a speed of 50kmph and the other at 40kmph . How much time will it take for the two cars to meet?

1/2
2/3
3
3/2

Answer: 4

10. A person wants to buy 3 paise and 5 paise stamps costing exactly one rupee. If he buys which of the following number of stamps he won't able to buy 3 paise stamps.

6
9
10
4

Answer: 2

11. A horse is tied at the corner of a rectangular field, whose length is 20m and width is 16m with a rope whose length is 14m. Find the area which the horse can graze?

156 sq.m.
154 sq.m.
164 sq.m.
144 sq.m.

Answer:2

12. There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls.

1
2
4
5

Answer :3

13. Which of the following fractions is less than 1/3

22/62
15/46
2/3
1

Answer: 2

14. There are two circles, one circle is inscribed and another circle is circumscribed over a square. What is the ratio of area of inner to outer circle?

2:1
1:3
1:2
1:4

Answer: 3

15. Three types of tea the a,b,c costs Rs. 95/kg,100/kg and70/kg respectively. How many kgs of each should be blended to produce 100 kg of mixture worth Rs.90/kg, given that the quntities of band c are equal

70,15,15
50,25,25
60,20,20
40,30,30

Answer: 2

16. The area of a triangle is equal to the area of a square whose each side is 60 metres. The height of the triangle is 90 metres. The base of the triangle will be

75 m
85 m
65 m
80 m

Answer: 4

17. Sam and Rita was sitting in a park in the evening looking at the sunset to the horizon. What is the direction of their right hand side?

East
West
North
South

Answer: 2

18. It takes 40 men eight days to earn Rs. 2000.How many men will earn Rs.200 in two days?

10
14
16
20

Answer: 3

19. Ten men can finish construction of a wall in eight days. How much men are needed to finish the work in half-a-day?

80
100
120
160

Answer: 4

20. It was Wednesday on July 15, 1964. What was the day on July 15, 1965?

Thursday
Tuesday
Friday
None of these

Answer: 1

b) Technical Questions:

1. Two coils in differential connection have self-inductance of 2 mH and 4 mH and a mutual inductance of 0.15 mH. The equivalent inductance of the combination is

5.7 mH
5.85 mH
6 mH
6.15 mH.

Answer: 1

2. Opto-couplers combine

SITs and BJTs
IGBTs and MOSFETS
Power transformers and silicon transistor
Infrared light-emitting diode and a silicon photo transistor

Answer: 4

3. In TV system, vertical pulses are separated out from horizontal pulses by the use of

integrator
differentiator
sweep credit
sync separator

Answer: 4

4. Two point charges Q and -Q are located on two opposite corners of a square as shown in figure. If the potential at the corner A is taken as 1V, then the potential at B, the center of the square will be

Zero
(1/2)^1/2V
1 V
(2)^1/2V

Answer: 3

5. Frequency in the UHF range propagate by means of

Ground waves
Sky waves
Surface waves
Space waves.

Answer: 4

6. The efficiency of a chopper can be expected in the range

50 to 55 percent
65 to 72 percent
82 to 87 percent
92 to 99 percent

Answer: 4

7. The function of diplexer bridge in a TV transmitter is

to prevent the loading of several transmitters by video transmitter
to increase the bandwidth
to increase the power output
to increase the efficiency of transmission.

Answer: 1

8. Pure metals generally have

high conductivity and low temperature coefficient
high conductivity and large temperature coefficient
low conductivity and zero temperature coefficient
low conductivity and high temperature coefficient

Answer:4

9. The number of LED displays in duration in logic probe are?

1
2
4
1 or 2

Answer: 2

10. Which of these are two state device?

Lamp
magnetic tap
punched card
All the above

Answer: 4

11. A current transducer respond to?

steady current only
pulsating current only
both pulasting and steady
none of these

Answer: 2

12. Logic analyser is?

a multi channel oscilloscope
similar to logic pulser
similar to current tracer
none of above

Answer: 1

13. The output impenitence of a logic pulser is?

Low
High
May be low or high
Can't say

Answer: 1

14. Current I0 in the given circuit will be

10 A
3.33 A
20 A
2.5 A

Answer: 2

15. In the given circuit voltage V is reduced to half. The current will become

I/2
2 I
1.5 I
I / √R2 + (XL + XC)2

Answer: 1

16. The function 3 s has
(s + 1) (s + 2)

one zero, two poles
no zero, one pole
no zero, two poles
one zero, no pole

Answer: 1

17. The diameter of an atom is of the order

10-6 m
10-10 m
10-15 m
10-21 m

Answer: 2

18. .If the d.c. valve of a rectified output is 300 V & peak to peak ripple voltage is 10 V, the ripple factor is

1.18%
3.33%
3.36%
6.66%

Answer: 2

19. .Compared to a CB amplifier the CE amplifier has higher

current amplification
output dynamic resistance
leakage current
input dynamic resistance
all of the above

Answer: 5

20. Which of the following binary number is equivalent to BCD?

1010
1000
1001
None of these

Answer: 4

c) General Knowledge Questions

1. Which pass was opened between India and China for trade?

Nathula
Khardungla
Chumbi
Solang

Answer: 1

2. ‘Threat of global warming’ is increasing due to increasing concentration of:

Ozone
Nitrous oxide
Sulphur dioxide
Carbon dioxide

Answer: 4

3. The Finance Commission is primarily concerned with recommending to the President about :

The principle governing grants-in-aid to be given to the States
Distributing the net proceeds of the taxes between the Centre and the States
Neither nor
Both and

Answer: 4

4. The ball used in which of the games is usually oval in shape?

Rugby
Golf
Polo
Volleyball

Answer: 1

5. Rajya Sabha can delay the Finance Bill sent for its consideration by the Lok Sabha for a maximum period of :

One month
One year
Seven days
Fourteen days

Answer: 4

6. Who is known a the first Law Officer of India?

Chief Justice of India
Law Minister of India
Solicitor General of India
Law Secretary

Answer: 3

7. Nathu La Pass is situated in which state?

Arunachal Pradesh
Assam
Meghalaya
Sikkim

Answer:4

8. .As per recommendations of the Twelfth Finance Commission,percentage share of States of the shareable central taxes is?

28.5
29.5
30.5
32.4

Answer: 3

9. In India, national income is estimated by :

Planning Commission
Central Statistical Organization
Indian Statistical Institute
National Sample Survey Organization

Answer: 2

10. Which one of the following is the time limit for the ratification of an emergency period by the Parliament?

14 days
1 month
3 months
6 months

Answer: 2

11. .Which one of the following is not an objective of fiscal policy of Indian Government?

Full employment
Price stability
Regulation of inter-State trade
Equitable distribution of wealth and income.

Answer: 3

12. How many times has Financial Emergency been declared in India so far?

5 times
4 times
Once
Never

Answer: 4

13. What is earlier name of the present ‘National Library in Kolkata’?

Imperial library
British library
Royal library
Albert library

Answer: 1

14. Which one of the following motions can the Council of Ministers in India move?

No Confidence Motion
Censure Motion
Adjournment Motion
Confidence Motion

Answer: 4
15. The capital of Mauritius is

Male
Kabul
Suva
Port Louis

Answer: 4

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Answered By StudyChaCha Member