Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Becomes more oscillatory (frequency increases) Gets attenuated (magnitude decreases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means More than one feed-back loop On-off control One feed-back loop Feed forward control More than one feed-back loop On-off control One feed-back loop Feed forward control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Feed forward controller accounts for the __________ changes. Set point Neither A nor B Load Both A & B Set point Neither A nor B Load Both A & B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Thermocouples Thermostats Bimetallic thermometers Relays for opening & closing of electrical circuits Thermocouples Thermostats Bimetallic thermometers Relays for opening & closing of electrical circuits ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Parabolic Exponential Square root Linear Parabolic Exponential Square root Linear ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation E.m.f. generated by thermocouples is of the order of Millivolts Kilo volts Microvolts Volts Millivolts Kilo volts Microvolts Volts ANSWER DOWNLOAD EXAMIANS APP