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Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 6
16.
What is the Laplace transform of impulse input having magnitude 'X' ?
X
X2
1/X
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Thermocouple is suitable for measuring
liquid temperatures only.
very high temperatures only.
very low temperatures only.
both high and low temperatures.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Bimetal strips are not used in
bimetallic thermometers.
thermocouples.
thermostats.
relays for opening & closing of electrical circuits.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
When the damping co-efficient (ξ) is unity, the system is
Overdamped.
Critically damped.
Underdamped.
Highly fluctuating.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is
12
36
54
68
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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