Process Control and Instrumentation Working principle of mercury in glass thermometer is Linear expansion Volumetric expansion None of these Pressure rise with temperature Linear expansion Volumetric expansion None of these Pressure rise with temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Polarograph PH meter Chromatograph Polarimeter Polarograph PH meter Chromatograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Radiation pyrometer Resistance pyrometer Infra red pyrometer Optical pyrometer Radiation pyrometer Resistance pyrometer Infra red pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = overshoot Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = overshoot ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Photo-electric pyrometer Thermocouple Radiation pyrometer Platinum resistance thermometer Photo-electric pyrometer Thermocouple Radiation pyrometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following instruments is not used for measuring sub-zero (<0°) temperatures? Radiation pyrometer Vapor pressure thermometer Mercury in glass thermometer Platinum resistance thermometer Radiation pyrometer Vapor pressure thermometer Mercury in glass thermometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
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