Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² . < atmospheric < 3 (gage) > 2(gage) < 10 (gage) < atmospheric < 3 (gage) > 2(gage) < 10 (gage) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Relays for opening & closing of electrical circuits Thermocouples Bimetallic thermometers Thermostats Relays for opening & closing of electrical circuits Thermocouples Bimetallic thermometers Thermostats ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Iron-constantan Chromel-alumel Platinum-platinum+rhyodium Platinum-rhodium Iron-constantan Chromel-alumel Platinum-platinum+rhyodium Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarisation of light forms the working principle of a Polarograph Chromatograph Spectrometer Polarimeter Polarograph Chromatograph Spectrometer Polarimeter 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 D² D D³ D⁴ D² D D³ D⁴ ANSWER DOWNLOAD EXAMIANS APP
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