E-PolyLearning

1. Transfer function of transportation lag is
a. A
b. B
c. C
d. D
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Answer: (b).B

2. The transfer function for a PID controller is (where, τᵢ is the integral (reset) time and τD is the derivative time.)
a. A
b. B
c. C
d. D
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Answer: (b).B

3. The symbol for "capillary line" in instrumentation diagram is
a. A
b. B
c. C
d. D
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Answer: (b).B

4. The transfer function for an ideal proportional plus reset controller (reset time T) is
a. A
b. B
c. C
d. D
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Answer: (a).A

5. The transfer function for a P-D controller is
a. A
b. B
c. C
d. D
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Answer: (a).A

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