As you are preparing for the SAIL management trainee Examination let me tell you that the SAIL Management trainee Paper pattern consist of objective queries divided into two sections. Part-I consists of aptitude queries whereas Part-II are going to be having questions from relevant discipline.

Aptitude test 150 marks
A- Quantitative Aptitude (35 marks)
B- English Verbal ability (35 marks)
C- Reasoning (45 marks)
D- General awareness (35 marks
Relevant Engineering Discipline (Technical) 100 marks

the question paper is as follow:

1 Electrical Engineering Model Paper
Q.1.Two 100-W, 200-V lamps are connected in series across a 200-V supply. The total power consumed by each lamp will be _____ watts.

200
100
50
25

Q.2.The material used for fuse must have

low melting point and low specific resistance
high melting point and low specific resistance
low melting point and high specific resistance
none of these

Q.3.The purpose of introducing reactor in the ignition circuit of mercury are rectifier is to limit the

voltage of the circuit
rate of change of flux in the circuit
current in the circuit
rate of change of current in the circuit

Q.4.Sparking occurs when a load is switched off because the circuit has high

a resistance
inductance
capacitance
none of these

Q.5.The usual value of the surge impedance of a telephone line is ______ohm.

75
600
500
250

Q.6.In the case of a lossy capacitor, series equivalent resistance value will be

small
large
very small
none of these

Q.7.Time constant of an R-C circuit increases if the value of resistance is

decreased
increased
neither (a) nor (b)
either (a) or (b)

Q.8.Sparking between contacts can be reduced by inserting a

capacitor in parallel with contacts
resistance in the line
capacitor in series with contacts
none of these

Q.9.dBm is a

ratio of power
unit of power
unit of voltage
none of these

Q.10.Decibel is a unit of

frequency
impedance
power ratio
none of these

Q.11.The absolute unit of resistance is of the dimension of

velocity
length
acceleration
none of these

Q.12.The absolute unit of inductance is of the dimension of

time
length
mass
none of these

Q.13.The applied voltage from the circuit being checked is disconnected when an ohmmeter is used because

the current will decrease the resistance
the ohmmeter has its own battery
no current is needed for meter movements
none of these

Q.14.An accurate voltmeter must have an internal impedance of

very high value
very low value
low value
none of these

Q.15.A moving –coil instrument can be used to measure

high frequency a.c.
low frequency a.c
both d.c. and a.c
direct current

Q.16.The voltage drop across the moving coil of a 50-µ A (f.s) PMMC meter at full- scale deflection is ---- the voltage drop across that of a 1-mA (fs) PMMC meter at full-scale deflection.

less than
approximately equal to
greater than
none of these

Q.17.Voltage stress is maximum in a cable at the surface of the

insulator
sheath
conductor
none of these

Q.18.The coefficient of coupling between two air core coils depends on

mutual inductance and self inductances of the two coils
mutual inductance between two coils only
self inductances of the two coils only
none of these

Q.19.The location of lightning arrestor is

away from the transformer
near the transformer
near the circuit breaker
none of these

Q.20.A conductor of length 1 meter moves at rt. angles to a magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced e.m.f. in the conductor will be ----- volt.

75
25
50
100

Q.21.In electrical machines, laminated cores are used with a view to reducing

eddy current loss

hysteresis loss


Q.22.A battery

always delivers power
always absorbs power
absorbs power when the internal resistance is non-zero but delivers power when the internal resistance is zero
can absorb or deliver power depending upon the circuit to which it is connected

Q.23.Decibel is a

unit of voltage
unit of power
ratio of power
none of these

Q.24.Deflection of pointer of a permanent-magnet moving-coil meter for fixed current is _______ flux density in the airgap between magnetic pole shoes and coil.

independent of
directly proportional to
inversely proportional to
none of these

Q.25.A moving-iron meter is useful for voltage measurement at _______frequencies.

high
low
very high
none of these

Q.26.A thermocouple instruments would be used to measure alternating current only?

low
very low
high
none of these

Q.27.Which of the following instruments will be used to measure alternating current only?

moving – iron (attraction-types) ammeter
moving – iron voltmeter
permanent-magnet type ammeter
induction-type ammeter

Q.28.A milliammeter can be used

only as an ammeter
as a voltmeter
both as voltmeter and ammeter
none of these

Q.29.To measure the e.m.f. of a Weston standard cell, one would use a/an

electrostatic voltmeter
hot-wire voltmeter
galvanometer
potentiometer–Answer

Q.30.Deflection sensitivity of deflecting plates of cathode ray tube ____ the distance between deflection pates.

is inversely proportional to
is directly proportional to
does not depend on
none of these