The vafcie of transformation ratio of an induction motor can be found – McqOptions

MCQOPTIONS

1.	The vafcie of transformation ratio of an induction motor can be found by
A.	pen-circuit test only
B.	hort-circuit test only
C.	tator resistance test
D.	one of the above
Answer» C. tator resistance test

Discussion

No Comment Found

Related MCQs

A change of 4% of supply voltage to an induction motor will produce a change of approximately ________?
A 500 kW, 3-phase, 440 volts, 50 Hz, A.C. induction motor has a speed of 960 r.p.m. on full load. The machine has 6 poles. The slip of the machine will be__________?
A 3-phase slip ring motor has____________?
A 3-phase induction motor stator delta connected, is carrying full load and one of its fuses blows out. Then the motor_______________?
A 3-phase induction motor delta connected is carrying too heavy load and one of its fuses blows out. Then the motor______________?
A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor e.m.f. will be____________?
5 H.P., 50-Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest ?
Insertion of resistance in the rotor of an induction motor to develop a given torque
Which of the following component is usually fabricated out of silicon steel?
The speed of a squirrel-cage induction motor can be controlled by all of the following except