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 Which of the following is a 'contact' pyrometer? Optical pyrometer Resistance pyrometer Radiation pyrometer Infra red pyrometer Optical pyrometer Resistance pyrometer Radiation pyrometer Infra red pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation thermometer can not measure the temperature Of liquid oxygen Inside a pressure vessel Of an object without coming in contact with it Of moving objects at high temperature Of liquid oxygen Inside a pressure vessel Of an object without coming in contact with it Of moving objects at high temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing None of these Nitrogen Helium Hydrogen None of these Nitrogen Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire. Increase No change Exponential decrease Decrease Increase No change Exponential decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is Iron-constantan Chromel-alumel Platinum-platinum+rhodium None of these Iron-constantan Chromel-alumel Platinum-platinum+rhodium None of these ANSWER DOWNLOAD EXAMIANS APP
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