ELECTRICAL ENGINEER GK QUESTIONS

Question 1:-Identify the hardest tool material
 A:-Steel
 B:-Ceramics
 C:-Tungston carbide
 D:-Diamond
 Correct Answer:- Option-D

Question 2:-The essential constituent of any hardened steel is
 A:-Austenite
 B:-Cementite
 C:-Martensite
 D:-Pearlite
 Correct Answer:- Option-C
Question 3:-The collapsible tooth paste tube are made by
 A:-Drawing
 B:-Deep drawing
 C:-Rolling
 D:-Extrusion
 Correct Answer:- Option-D
Question 4:-The vertical passage for bringing molten metal to mould cavity is called
 A:-Sprue
 B:-Riser
 C:-Gate
 D:-Chaplet

ELECTRICAL ENGINEERING QUESTION ANSWERS PUBLISHED ON 12-07-2016

1. Which of the following instruments indicate the instantaneous value of the electrical quantity
being measured at the time at which it is being measured ?
(a) Absolute instruments
(b) Recording instruments
(c) Indicating instruments
(d) Integrating instruments

Answer: (c) Indicating instruments

2. In closed loop control system, with positive value of feedback gain the overall gain of
the system will
(a) decrease
(b) increase
(c) be unaffected
(d) any of the above

Answer: (a) decrease

3. For large power transformers, self oil cooled type or air blast type which of the
following values of current density may be used ?
(a) 1.0 to 1.2 A/mm2
(b) 1.5 to 2.0 A/mm2

ELECTRICAL ENGINEERING QUESTION AND ANSWERS PUBLISHED ON 23-06-2016

1. The design of mechanical parts is particularly important in case of _____ speed
machines.
(a) low
(b) high
(c) medium
(d) All the Above

Answer: (b) high

2. A practical formula for determining the thickness of insulation between low voltage
and high voltage windings is
(a) 5 + 0.9 kV mm
(6) 2 + 0.5 kVmm
(c) 4 + 0.7 kV mm
(d) 1 + 0.2 kVmm

Answer: (a) 5 + 0.9 kV mm

3. For making a capacitor, it is better to select a dielectric having
(a) low permittivity
(b) permittivity slightly more than that of air

ELECTRICAL ENGINEERING QUESTIONS PUBLISHED ON 17/06/2016

3531. The direction of electric field due +0 positive charge is .
(a) towards the charge
(b) away from the charge
(c) both (a) and (6)
(d) none of the above

Correct Answer: (b) away from the charge

3532. For open control system which of the following statements is incorrect ?
(a) Less expensive
(b) Construction is simple and maintenance easy
(c) Recalibration is not required for maintaining the required quality of the output
(d) Errors are caused by disturbances

Correct Answer: (c) Recalibration is not required for maintaining the required quality of the output

3533. Electrical machines having power outputs ranging from a few kW upto approximately
250 kW may be classified as
(a) medium size machines
(b) small size machines
(c) large size machines

ELECTRICAL ENGINEERING QUESTION AND ANSWERS

3526. In D.C. machines the usual limit of slot pitch is
(a) between 5 to 10 mm
(b) between 10 to 15 mm
(c) between 15 to 20 mm
(d) between 25 to 35 mm

Answer: (d) between 25 to 35 mm

3527. The lines of force due to charged particles are
(a) always straight
(b) sometimes curved
(c) always curved
(d) none of the above
Answer: (c) always curved

3528. A controller, essentially, is a
(a) sensor
(b) clipper
(c) amplifier

ELECTRICAL ENGINEERING QUESTIONS FROM 3516 -3520

3516. The household energy meter is
(a) an integrating instrument
(b) a recording instrument
(c) an indicating instrument
(d) none of the above

Answer: (a) an integrating instrument

3517. Which of the following devices is used for conversion of co-ordinates ?
(a) Microsyn
(b) Synchro-resolver
(c) Selsyn
(d) Synchro-transformer

Answer: (b) Synchro-resolver

3518. Induction type single phase energy meters measure electric energy in
(a) kW
(b) Wh
(c) VAR
(d) kWh

ELECTRICAL ENGINEERING QUESTIONS WITH ANSWER

Question No. 3521.  For power factor correction, synchronous motors operate at
(a) normal load with zero excitation
(b) no-load and under-excited fields
(c) normal load with minimum excitation
(d) no-load and greatly over-excited fields

Answer: (d) no-load and greatly over-excited fields

Question No. 3522.  The field coils of D.C. generator are usually made of
(a)  copper
(b) mica
(c) cast iron
(d) carbon

Answer: (a)  copper

Question No. 3523. An amplidyne can give which of the following characteristics ?
(a) Constant current
(b) Constant current, constant voltage and constant power
(c) Constant current as well as constant voltage