Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² . < 10 (gage) < 3 (gage) > 2(gage) < atmospheric < 10 (gage) < 3 (gage) > 2(gage) < atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometer has the capability to measure the lowest temperature? Fused metal (Na or K) in steel thermometer Mercury in glass thermometer Mercury in steel thermometer Alcohol in glass thermometer Fused metal (Na or K) in steel thermometer Mercury in glass thermometer Mercury in steel thermometer Alcohol in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of thermal conductivity Differential linear expansion Volumetric expansion Increase of pressure Increase of thermal conductivity Differential linear expansion Volumetric expansion Increase of pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag - 180° Phase lag + 90° Phase lag + 180° 180° - phase lag Phase lag - 180° Phase lag + 90° Phase lag + 180° 180° - phase lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The term analogous to voltage in a single tank system is the Flow rate Level of liquid Heat content of the system Liquid volume in the tank Flow rate Level of liquid Heat content of the system Liquid volume in the tank ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is G/H G/(1 + H) H/G H(1 + G) G/H G/(1 + H) H/G H(1 + G) ANSWER DOWNLOAD EXAMIANS APP
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