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Process Control and Instrumentation

Process Control and Instrumentation
The unit of 'time constant' of a system is the same as that of

Time
Velocity
None of these
(time)⁻¹

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Process Control and Instrumentation
Mercury thermometer can be used to measure the temperature upto __________ °C.

350
100
250
750

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Process Control and Instrumentation
In a single tank system, the transfer function of level to inlet flow rate is

R/TS
L(TS + l)
R/(TS + 1)
1/TS

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Process Control and Instrumentation
Mass spectrometer is used for the composition analysis of

None of these
Isotopes
Alloys
Solids

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Process Control and Instrumentation
The time constant of a first order process with resistance R and capacitance C is

R + C
1/RC
RC
R - C

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Process Control and Instrumentation
Hot wire anemometer is used for the measurement of

Flow rates of fluids
Thermal conductivity of gases
Very high temperature
Flow rates of granular solids

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