Question77:-The purpose of bedding provided in cable is
A:-Protect the cable from mechanical injury
B:-Protect the cable from atmosphere
C:-Protect metallic sheet from mechanical injury
D:-Prevent entering moisture to the cable
Correct Answer:- Option-C
Question78:-Silver plated mica capacitors are best suited for_____ application.
-High frequency application
B:-High voltage application
C:-Radio frequency application
D:-Power factor correction
Correct Answer:- Option-A
Question79:-When Dynamo meter type meters are used as watt meters, the fixed and movable coils are
:-Fixed coil 5 pressure coil and moving coil is current coil
B:-Fixed coil is current coil and moving coil 5 pressure coil
C:-Both coils are movable
D:-Can be ammanged as either cument coil is fixed and pressure coil movable and vice-versa
Correct Answer:- Option-B

Question80:-A 50 volt meter want to be extend to measure 250 volt meter. The resistance of the meter is 5000 Q, what will
be the value of multiplier required

A:-40000 Q
B:-20000 Q
C:-50000 Q
D:-25000 Q
Correct Answer:- Option-B
Question81:-The instrument used for measuring insulation resistance of equipments is
A:-Contact resistance meter
B:-Earth tester
C:-Ohm meter
D:-Megger
Correct Answer:- Option-D
Question82:-Among the following which cable is used for Railway signaling purpose
A:-PVC cable
B:-Lead sheet cable
C:-Torpodure cable
D:-Armed cable
Correct Answer:- Option-C
Question83:-In Geyser the type of insulation provided in between the inner and outer chamber ‏كا‎
‎A:-Mica

B:-Rubber
C:-Glass wool
D:-Asbestose
Correct Answer:- Option-C
Question84:-Among them which material is shows strong Dia magnetism
A:-Copper

D:-Aluminum
Correct Answer:- Option-C
Question85:-Ear to Ear resistance of wet human body is about
A:-100 ohm
B:-150 ohm
C:-400 ohm
0:-300 70
Correct Answer:- Option-A
Question86:-The major cause of creeping error in induct in type energy meteris
A:-Over voltage
B:-Over compensation friction
C:-Stray magnetic field