Process Control and Instrumentation Which of the following filled system expansion thermometer has the capability to measure the lowest temperature? Mercury in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer Fused metal (Na or K) in steel thermometer Mercury in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer Fused metal (Na or K) in steel thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the flow rate of heating/cooling fluid is the __________ variable. Load None of these Manipulated Controlled Load None of these Manipulated Controlled ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of (time)⁻¹ None of these Velocity Time (time)⁻¹ None of these Velocity Time ANSWER DOWNLOAD EXAMIANS APP
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. Decrease Increase No change Exponential decrease Decrease Increase No change Exponential decrease 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 Flow nozzle type flowmeter Pitot tube Turbine flowmeter Magnetic flowmeter Flow nozzle type flowmeter Pitot tube Turbine flowmeter Magnetic flowmeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a second order instrument? Pressure gauge with one bellow, two tubes and a tank None of these Mercury in glass thermometer with covering Bare mercury in glass thermometer Pressure gauge with one bellow, two tubes and a tank None of these Mercury in glass thermometer with covering Bare mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
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