Process Control and Instrumentation Bimetal strips are not used in Thermostats Bimetallic thermometers Thermocouples Relays for opening & closing of electrical circuits Thermostats Bimetallic thermometers Thermocouples Relays for opening & closing of electrical circuits ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermometers is not suitable for distant reading upto 60 metres? Constant volume gas thermometer Vapor pressure thermometer Resistance thermometer Mercury in glass thermometer Constant volume gas thermometer Vapor pressure thermometer Resistance thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon gauges are used for measuring pressure (kg/cm² ) > 2 (gauge) < 2 (gauge) > 10 (absolute) < atmospheric > 2 (gauge) < 2 (gauge) > 10 (absolute) < atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The root locus plot of the roots of the characteristics equation of a closed loop system having the open loop transfer function K(s + 1)/2(2s + 1)(3s + 1) will have a definite number of loci for variation of K from 0 to ∞. The number of loci is 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Solid semi-conductor Liquid semi-conductor Conductor Insulator Solid semi-conductor Liquid semi-conductor Conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to 180° - phase lag Phase lag + 90° Phase lag - 180° Phase lag + 180° 180° - phase lag Phase lag + 90° Phase lag - 180° Phase lag + 180° ANSWER DOWNLOAD EXAMIANS APP
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