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Process Control and Instrumentation

Process Control and Instrumentation
E.m.f. generated by thermocouples is of the order of

Volts
Microvolts
Kilo volts
Millivolts

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Process Control and Instrumentation
Radiation thermometer can not measure the temperature

Inside a pressure vessel
Of an object without coming in contact with it
Of moving objects at high temperature
Of liquid oxygen

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Process Control and Instrumentation
Pressure of 0.0001 absolute psi can be measured by __________ gauge

Mcloid
Pirani
Thermocouple
None of these

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Process Control and Instrumentation
A system with transfer function (2S/4S) + 1 is of __________ order.

1st
2nd
3rd
Zero

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Process Control and Instrumentation
The inverse Laplace transform of the function f(s) = 1/S(1 + S) is

1 + et
1 - e-t
1 + e-t
1 - et

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Process Control and Instrumentation
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

No change
Exponential decrease
Decrease
Increase

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