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Electronics and Communication Engineering - Automatic Control Systems

Exercise : Automatic Control Systems - Section 4
6.
A motor is coupled to a load through gear ratio n. If T is the motor torque, Jm and JL are moment of inertia of rotor and load, then torque to inertia ratio referred to motor shaft is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Accurate amplitude measurements can be made more easily than accurate phase shift measurements.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
A synchro transmitter receiver unit is a
two phase ac device
3 phase ac device
dc device
1 phase ac device
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The transfer function of transportation lag is
G(jω) = ejωT
G(jω) = e-jωT
G(jω) = (1 + jωT)
G(jω) = (1 - jωT)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
In the given figure the input frequency f = 0.1 (1/2 p RC)
0 dB
3 dB
-3 dB
20 dB
Answer: Option
Explanation:

XC = 10R. Hence V0 ⋍ Vi .

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