SSC JE ELECTRICAL 2018 WITH SOLUTION SET-1 QUIZ

In the synchronous motor, damper winding is placed at

Both Stator and Rotor

Yoke

Rotor

Stator

TRUE ANSWER : ?
YOUR ANSWER : ?

LED lamp have a general life expectancy of

50000 hrs

15000 hrs

5000 hrs

1000 hrs

TRUE ANSWER : ?
YOUR ANSWER : ?

Cutting pliers use for electrical work must have

Non corrode

Insulation

High strength

Sharp

TRUE ANSWER : ?
YOUR ANSWER : ?

What is the characteristics of the common collector configuration amplifier with respect to the input and output impedance?

Low Input Impedance and Low Output Impedance

Low Input Impedance and High Output Impedance

High input Impedance and High Output Impedance

High input Impedance and Low Output Impedance

TRUE ANSWER : ?
YOUR ANSWER : ?

A DC generator used for ARC welding should Have

Rising characteristics

None of these

Dropping Characteristics

Straight characteristics

TRUE ANSWER : ?
YOUR ANSWER : ?

For a dc machine shunt resistance and armature resistance values are

High and High

Low and Low

High and Low

Low and High

TRUE ANSWER : ?
YOUR ANSWER : ?

Determine the heat dissipated (in joule) through a conductor of 10 ohms resistance, when 1 A of current is flowing through the conductor for 5 seconds

40

20

60

50

TRUE ANSWER : ?
YOUR ANSWER : ?

The speed of a synchronous motor can be changed by

Changing the supply voltage

Changing the frequency

Changing the load

Changing the supply Terminals

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the material is used to fix the screw on concrete wall and ceiling?

Rawl Plug

Bushings

Link clips

Saddles

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a static exciter?

DC Separately excited generator

Amplidyne

Rectifier

Metadyne

TRUE ANSWER : ?
YOUR ANSWER : ?

↑