Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Radiation pyrometer Thermocouple Resistance thermometer Optical pyrometer (disappearing filament type) Radiation pyrometer Thermocouple Resistance thermometer Optical pyrometer (disappearing filament type) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following shows maximum dip effect (indicating reverse direction of temperature change)? Thermocouple Bimetallic thermometer Radiation pyrometer Mercury thermometer Thermocouple Bimetallic thermometer Radiation pyrometer Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Radiation/infrared pyrometer Filled system thermometer Thermo electric pyrometer Mercury in glass thermometer Radiation/infrared pyrometer Filled system thermometer Thermo electric pyrometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 180° 90° 120° 30° 180° 90° 120° 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A mercury thermometer can not be used to measure the temperature below the freezing point of mercury, which is __________ °C. -80.9 -60.9 -38.9 -11.9 -80.9 -60.9 -38.9 -11.9 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Is the same for set point or load changes All of these Determines its stability Depends only upon the open loop transfer function Is the same for set point or load changes All of these Determines its stability Depends only upon the open loop transfer function ANSWER DOWNLOAD EXAMIANS APP
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