Process Control and Instrumentation A negative gain margin expressed in decibels means a/an __________ system. Unstable Stable Critically damped None of these Unstable Stable Critically damped None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 79 and 395 - 10 and 425 - 39 and 350 - 51 and 439 - 79 and 395 - 10 and 425 - 39 and 350 - 51 and 439 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 To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Mercury Air Oil A metal powder or graphite Mercury Air Oil A metal powder or graphite ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Change of angle of refraction with composition comprises the working principle of a Polarimeter Refractrometer Spectrometer Polarograph Polarimeter Refractrometer Spectrometer Polarograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Range of hydrogen gas constant volume themometer is __________ °C. 400 - 1000 100 - 500 -10 to 20 0 to 100 400 - 1000 100 - 500 -10 to 20 0 to 100 ANSWER DOWNLOAD EXAMIANS APP