Process Control and Instrumentation The operation of a rotameter is based on Pressure at a stagnation point Rotation of a turbine Variable flow area Pressure drop across a nozzle Pressure at a stagnation point Rotation of a turbine Variable flow area Pressure drop across a nozzle ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 100 75 25 100 75 25 ANSWER DOWNLOAD EXAMIANS APP
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 Pitot tube Magnetic flowmeter Flow nozzle type flowmeter Turbine flowmeter Pitot tube Magnetic flowmeter Flow nozzle type flowmeter Turbine flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple in a thermal well behaves as a true Multiple first order system First order system Second order system (overdamped) Second order system (underdamped) Multiple first order system First order system Second order system (overdamped) Second order system (underdamped) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Bimetallic Mercury in glass Constant volume gas Vapor pressure Bimetallic Mercury in glass Constant volume gas Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Can measure higher temperature Has a slower speed of response Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Can measure higher temperature Has a slower speed of response ANSWER DOWNLOAD EXAMIANS APP
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