Process Control and Instrumentation Bimetal strips are not used in Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples Thermostats Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples Thermostats ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Vapor pressure Constant volume gas Bimetallic Mercury in glass Vapor pressure Constant volume gas Bimetallic Mercury in glass ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C. 0.0001 0.001 0.1 0.01 0.0001 0.001 0.1 0.01 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) Gets attenuated (magnitude decreases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) Gets attenuated (magnitude decreases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Turbine flow meters are suitable for Very limited flow ranges Both B and C Aerospace and in air borne applications Cryogenic flow measurements Very limited flow ranges Both B and C Aerospace and in air borne applications Cryogenic flow measurements ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone in an instrument must be less than __________ percent of the scale. 0.2 8 1.5 4 0.2 8 1.5 4 ANSWER DOWNLOAD EXAMIANS APP