Process Control and Instrumentation Which of the following can not measure a temperature of 1600°C ? Platinum resistance thermometer Radiation pyrometer Photo-electric pyrometer Thermocouple Platinum resistance thermometer Radiation pyrometer Photo-electric pyrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer. None of these Optical Photoelectric Radiation None of these Optical Photoelectric Radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Optical activity of a solution can be determined using a Polarograph Refractrometer Polarimeter Dilatometer Polarograph Refractrometer Polarimeter Dilatometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Mercury in glass Constant volume gas Bimetallic Vapor pressure Mercury in glass Constant volume gas Bimetallic Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the one which is a first order instrument. Mercury in glass thermometer (without any covering or air gap) All of these Bare vapor pressure thermometer Bare metallic thermometer Mercury in glass thermometer (without any covering or air gap) All of these Bare vapor pressure thermometer Bare metallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D⁴ D D² D³ D⁴ D D² D³ ANSWER DOWNLOAD EXAMIANS APP
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