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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 6
21.
For the function G(s) = the poles are at
s = 0 and s = ∞
s = j2np where n = 0, 1, 2
s = ± j2np where n = 0, 1, 2..
none of the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which dc servomotor has minimum inertia?
Slotted armature construction
Surface wound armature
Surface wound with stationary rotor
Either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Gas flow resistance is defined as
(change in gas pressure difference) x (change in gas flow rate)
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Examine the following statements
  1. A small size hydraulic actuator can develop good torque.
  2. It is easy to maintain a hydraulic system leak proof.
  3. Both linear and rotatary hydraulic actuators are available.
  4. Hydraulic power is more easily available than electric power.
Which of the above statements are correct?
all
1 and 2 only
1 and 3 only
2, 3 and 4 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The given figure shows a constant current source driving a parallel RC circuit. It is equivalent to
a lag network
a lead network
a lag-lead network
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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