Electrical Machine - II (3150910) MCQs

MCQs of Induction Machines

Showing 91 to 95 out of 95 Questions
7 8 9 10
91.

When does an induction machine work as a generator? (N= Rotor Speed & Ns= Synchronous speed)

(a)

N = Ns
(b)

N > Ns
(c)

N < Ns
(d)

When we connect prime mover with the Induction machine.
Answer:

Option (b)

92.

Induction generator is classified based on _______________

(a)

the rotor speed (N < Ns or N < Ns)
(b)

type of slip (s) in the machine (positive or negative)
(c)

the reactive power received in the machine (arrangement of reactive power)
(d)

the active power flow in machine (direction of current)
Answer:

Option (c)

93.

What is common between Induction generator and induction motor?

(a)

both required reactive power
(b)

both can not run at synchronous speed
(c)

both known as singly excited machine
(d)

All of these
Answer:

Option (d)

94.

Induction generator connected to the capacitor bank is known as ______________

(a)

Self-Excited Induction Generator:
(b)

Alternator
(c)

Synchronous generator
(d)

Grid Connected Induction Generator:
Answer:

Option (a)

95.

Where Induction Generators will be used?

(a)

prime mover does not run at a constant speed
(b)

prime mover does run at a constant speed
(c)

Both of these
(d)

none of these
Answer:

Option (a)

Showing 91 to 95 out of 95 Questions
7 8 9 10