Question 1

D.C. shunt relays are made of

Accepted Answer

A) few turns of thin wire 
B) few turns of thick wire 
C) many turns of thin wire 
D) many turns of thick wire 
A) few turns of thin wire 
B) few turns of thick wire 
C) many turns of thin wire 
D) many turns of thick wire

Question 2

Directional relays are based on flow of

Accepted Answer

A) power 
B) current 
C) voltage wave 
D) all of the above 
A) power 
B) current 
C) voltage wave 
D) all of the above

Question 3

The main function of a fuse is to

Accepted Answer

A) protect the line 
B) open the circuit 
C) protect the appliance 
D) prevent excessive currents 
A) protect the line 
B) open the circuit 
C) protect the appliance 
D) prevent excessive currents

Question 4

Circuit breakers are essentially

Accepted Answer

A) current carrying contacts called electrodes 
B) arc extinguishers 
C) circuits to break the system 
A) current carrying contacts called electrodes 
B) arc extinguishers 
C) circuits to break the system

Question 5

Burden of a protective relay is the power

Accepted Answer

A) required to operate the circuit breaker 
B) absorbed by the circuit of relay 
C) developed by the relay circuit 
D) none of the above 
A) required to operate the circuit breaker 
B) absorbed by the circuit of relay 
C) developed by the relay circuit 
D) none of the above

D.C. shunt relays are made of

Directional relays are based on flow of

The main function of a fuse is to

Circuit breakers are essentially

Burden of a protective relay is the power

Electrical Protection and Transmission Systems

Electrical Substation Equipment and Protection Systems

Electrical Protection and Circuit Breakers

Electrical Protection and Switchgear Systems

Electrical Protection and Circuit Breakers

Filters

Exam 1: Electrical Components and Protective Relays

D.C. shunt relays are made of

Directional relays are based on flow of

The main function of a fuse is to

Circuit breakers are essentially

Burden of a protective relay is the power

Electrical Protection and Transmission Systems

Electrical Substation Equipment and Protection Systems

Electrical Protection and Circuit Breakers

Electrical Protection and Switchgear Systems

Electrical Protection and Circuit Breakers

Filters