Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Platinum resistance thermometer Mercury in glass thermometer Vapor pressure thermometer Radiation pyrometer Platinum resistance thermometer Mercury in glass thermometer Vapor pressure thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a composition measuring instrument? Mass spectrometer Polarograph Thermal conductivity cell Hot wire anemometer Mass spectrometer Polarograph Thermal conductivity cell Hot wire anemometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Ethylene glycol Carbon tetrachloride Water Paraffin Ethylene glycol Carbon tetrachloride Water Paraffin ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The second order system with the transfer function 4/(S² + 2S + 4) has a damping ratio of 4.0 2.0 0.5 1.0 4.0 2.0 0.5 1.0 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as dead time Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as dead time Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stroboscope is used for the measurement of Liquid level under pressure Rpm of a flywheel Depression of freezing point Frequency of light Liquid level under pressure Rpm of a flywheel Depression of freezing point Frequency of light ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS