Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
An induction motor is fed from a balanced three phase supply at rated voltage and frequency through a hank of three single phase transformers connected in delta-delta. One unit of the bank develops fault and is removed. Then | |
A. | single phasing will occur and the machine fails to start. [Correct Answer] |
B. | single phasing will not occur but the motor terminal voltages will become unbalanced and the machine can be loaded to the extent of 57.7% of its rating. [Wrong Answer] |
C. | the machine can be loaded to the extent of 57.7% of its rating with balanced supply at its terminals. [Wrong Answer] |
D. | the machine can he loaded to the extent of 66 2/3 % of its rating with balanced supply at its terminals. [Wrong Answer] |