Question 1

Which of the following is not a constituent for making porcelain insulators ?

Accepted Answer

A) Quartz 
B) Kaolin 
C) Felspar 
D) Silica 
A) Quartz 
B) Kaolin 
C) Felspar 
D) Silica

Question 2

A feeder, in a transmission system, feeds power to

Accepted Answer

A) distributors 
B) generating stations 
C) service mains 
D) all of the above 
A) distributors 
B) generating stations 
C) service mains 
D) all of the above

Question 3

For which of the following equipment current rating is not necessary ?

Accepted Answer

A) Circuit breakers 
B) Isolators 
C) Load break switch 
D) Circuit breakers and load break switches 
A) Circuit breakers 
B) Isolators 
C) Load break switch 
D) Circuit breakers and load break switches

Question 4

jCorona usually occurs when the electrostatic stress in air around the conductor exceeds

Accepted Answer

A) 6.6 kV (r.m.s. value)/cm 
B) 11 kV (r.m.s. value)/cm 
C) 22 kV (maximum value)/cm 
D) 30 kV (maximum v^lue)/cm 
A) 6.6 kV (r.m.s. value)/cm 
B) 11 kV (r.m.s. value)/cm 
C) 22 kV (maximum value)/cm 
D) 30 kV (maximum v^lue)/cm

Question 5

Which of the following distribution systems is more reliable ?

Accepted Answer

A) Radial system 
B) Tree system 
C) Ring main system 
D) All are equally reliable 
A) Radial system 
B) Tree system 
C) Ring main system 
D) All are equally reliable

Which of the following is not a constituent for making porcelain insulators ?

A feeder, in a transmission system, feeds power to

For which of the following equipment current rating is not necessary ?

jCorona usually occurs when the electrostatic stress in air around the conductor exceeds

Which of the following distribution systems is more reliable ?

Electrical Power Transmission and Distribution

Electrical Supply and Distribution

Electrical Transmission and Insulation

Filters

Exam 3: Transmission System and Equipment

Which of the following is not a constituent for making porcelain insulators ?

A feeder, in a transmission system, feeds power to

For which of the following equipment current rating is not necessary ?

jCorona usually occurs when the electrostatic stress in air around the conductor exceeds

Which of the following distribution systems is more reliable ?

Electrical Power Transmission and Distribution

Electrical Supply and Distribution

Electrical Transmission and Insulation

Filters