EE MCQ
EE MCQ
Home
Quiz
Contact Us
Switch Gear
Back up protection is generally used for protection against
open-circuit faults only
both open and short-circuit faults
None of these
short-circuit faults only
open-circuit faults only
both open and short-circuit faults
None of these
short-circuit faults only
Answer
Download EE MCQ app
Related Question
Switch Gear
Arc in a circuit breaker is interrupted at
maximum current
minimum voltage
zero current
maximum voltage
maximum current
minimum voltage
zero current
maximum voltage
Answer
Download EE MCQ app
Switch Gear
The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to
lubricate the contacts
None of these
extinguish the arc
All of these
insulate the contacts from switch body
lubricate the contacts
None of these
extinguish the arc
All of these
insulate the contacts from switch body
Answer
Download EE MCQ app
Switch Gear
An isolator is designed to open a circuit under
full load
no load
None of these
normal conditions
full load
no load
None of these
normal conditions
Answer
Download EE MCQ app
Switch Gear
The single phasing relays are used for the protection of
two single phase motors running in parallel
three phase motors
single phase motors only
two phase motors only
two single phase motors running in parallel
three phase motors
single phase motors only
two phase motors only
Answer
Download EE MCQ app
Switch Gear
Outdoor switchgear is generally used for voltage beyond
66 kV
132 kV
11 kV
33 kV
66 kV
132 kV
11 kV
33 kV
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram