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Process Control and Instrumentation

Process Control and Instrumentation
Flow rate of a river is measured by a/an

Open weir
Vane meter
Kennison nozzle
Pitot tube

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Process Control and Instrumentation
Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure.

630.74
1261.93
1064.43
961.93

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Process Control and Instrumentation
Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³.

1
50
100
10

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Process Control and Instrumentation
Flow rate of those fluids which are insensitive to changes in their density, viscosity or flow velocity profile can be best measured by a

Turbine flowmeter
Magnetic flowmeter
Pitot tube
Flow nozzle type flowmeter

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Process Control and Instrumentation
Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is

Chromel-alumel
Platinum-platinum+rhodium
Either A, B or C
Iron-constantan

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Process Control and Instrumentation
A non-linear system will have __________ steady state values.

Three
One
Two
More than one

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