Explore topic-wise MCQs in NTPC (Technical Ability).

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your NTPC (Technical Ability) knowledge and support exam preparation. Choose a topic below to get started.

1.

If a conventional servomotor is used for servo

A.  the applied voltages are always to be balanced
B.  the rotor resistance is low
C. 220 V, 2.2 A   
D.  the rotor's diameter is large
Answer» C. 220 V, 2.2 A   
Discussion
2.

In block diagram representation, what do the lines connecting the blocks, known as?

A.  Branches   
B.  Nodes
C. 60 ohm
D.  Sources
Answer» B.  Nodes
Discussion
3.

In second order system, which among the following remains independent of gain (k)?

A.  Open loop poles
B.  closed loop poles
C. \[\frac{1}{7\pi }H\]
D.  None of the above
Answer» B.  closed loop poles
Discussion
4.

In closed loop control system in which positive value of feedback then gain the overall gain of the system will

A.  Decrease
B.  Increase
C. 200 W and 1.0 henry
D.  None of these
Answer» B.  Increase
Discussion
5.

The transfer function technique is considered inadequate with systems having

A.  stability problems
B.  multiple input disturbances
C. If assertion is true but reason is false.
D.  all of the above
Answer» E.
Discussion