Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Conductors Insulators Dielectrics Semi conductors Conductors Insulators Dielectrics Semi conductors ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Low loads Temperature changes Flow rate changes None of these Low loads Temperature changes Flow rate changes None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Mercury in glass Vapor pressure Constant volume gas Bimetallic Mercury in glass Vapor pressure Constant volume gas Bimetallic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A barometer measures the __________ pressure. Dynamic Gauge Absolute as well as gauge Absolute Dynamic Gauge Absolute as well as gauge Absolute ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Can't measure the temperature of moving objects Can measure higher temperature Is more affected by corrosive atmosphere Has a slower speed of response Can't measure the temperature of moving objects Can measure higher temperature Is more affected by corrosive atmosphere Has a slower speed of response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
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