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Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 7
26.
What is the Laplace transform of sin t ?
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Pick out the wrong statement.
There is no transfer lag for a single first order system.
Stirred tank with a water jacket exemplifies an interacting system.
Transfer lag is a characteristics of all higher order systems (other than first order systems).
Transfer lag decreases as the number of stages decreases.
Answer: Option
Explanation:
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28.
Working principle of mercury in glass thermometer is
volumetric expansion.
pressure rise with temperature.
linear expansion.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The frequency at which maximum amplitude ratio is attained is called the __________ frequency.
corner
resonant
cross-over
natural
Answer: Option
Explanation:
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30.
Which of the following can measure temperatures in the range of - 20 to 300°C ?
Mercury in glass thermometer
Vapor pressure thermometer
Resistance thermometer
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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