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Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 3
6.
Pirani gauge is used for the measurement of
very high pressure.
high vacuum.
liquid level under pressure.
liquid level at atmospheric pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The __________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature.
pressure
volume
viscosity
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Transfer functions X/Y for which of the following block diagrams is
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The characteristic equation for the control system with a closed loop transfer function G1/1 + G2 is given by 1 + G2 = 0. The characteristic equation for the control system
depends only upon the open loop transfer function.
determines its stability.
is the same for set point or load changes.
all 'a', 'b' & 'c'
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
__________ thermometer can not measure sub-zero (< 0° C) temperature,
Mercury in glass
Bimetallic
Vapor pressure
Resistance
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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