EE MCQ
EE MCQ
Home
Quiz
Contact Us
GETCO Exam Paper (30-11-2008)
In a transformer it is difficult to measure the efficiency by output-input measurement methods because
the output is sinusoidal and hence cannot be measured
output is out of phase with respect to input
losses are abnormally high
efficiency of transformer is usually high and hence extremely accurate measurements will be necessary
the output is sinusoidal and hence cannot be measured
output is out of phase with respect to input
losses are abnormally high
efficiency of transformer is usually high and hence extremely accurate measurements will be necessary
Answer
Download EE MCQ app
Related Question
GETCO Exam Paper (30-11-2008)
Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are
in direct ratio of their ratings
purely reactive
equal
in inverse ratio of their ratings
in direct ratio of their ratings
purely reactive
equal
in inverse ratio of their ratings
Answer
Download EE MCQ app
GETCO Exam Paper (30-11-2008)
Summation transformers are used in _____ relays.
pilot-wire
earth-fault
distance
carrier
pilot-wire
earth-fault
distance
carrier
Answer
Download EE MCQ app
GETCO Exam Paper (30-11-2008)
Which of the following regulation is considered to be the best
0.98
0.3
0.7
0.02
0.98
0.3
0.7
0.02
Answer
Download EE MCQ app
GETCO Exam Paper (30-11-2008)
Power system A is operating in parallel with other systems and has a frequency bias of 50 MW/0.1 Hz. For a loss of generation in one of the interconnected systems resulting in a frequency drop of 0.02 Hz, system A should
provide 30 MW support
provide 20 MW of support
provide 10 MW of support
not be affected
provide 30 MW support
provide 20 MW of support
provide 10 MW of support
not be affected
Answer
Download EE MCQ app
GETCO Exam Paper (30-11-2008)
The number of pilot wires required for protecting 3-phase transmission lines using Translay System of protection is
6
4
2
3
6
4
2
3
Answer
Download EE MCQ app
Search
Login here
Google
Download our application
Android
Apple
Follow Us
Facebook
Telegram
Instagram