Process Control and Instrumentation Which of the following filled system expansion thermometer has the capability to measure the lowest temperature? Alcohol in glass thermometer Mercury in steel thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Mercury in steel thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 750 500 1000 250 750 500 1000 250 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 550 350 700 250 550 350 700 250 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 Magnetic flowmeter Turbine flowmeter Flow nozzle type flowmeter Pitot tube Magnetic flowmeter Turbine flowmeter Flow nozzle type flowmeter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Concentration of sugar solution can be determined by the Flame photometry Emission spectroscopy Oscillometry Polarimetry Flame photometry Emission spectroscopy Oscillometry Polarimetry ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 5π/12 π/6 π/12 π/3 5π/12 π/6 π/12 ANSWER DOWNLOAD EXAMIANS APP
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