Process Control and Instrumentation Thermal wells used in temperature measurements should have Polished surface Very thick walls High transmissivity of radiation Low emissivity Polished surface Very thick walls High transmissivity of radiation Low emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Semi conductors Dielectrics Insulators Conductors Semi conductors Dielectrics Insulators Conductors ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the inlet temperature of heating/cooling fluid is the __________ variable. Load Controlled None of these Manipulated Load Controlled None of these Manipulated ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential. Inversely proportional to the square root of Proportional to Proportional to the square root of Inversely proportional to the square of Inversely proportional to the square root of Proportional to Proportional to the square root of Inversely proportional to the square of ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as transportation lag Maximum change in the variable that does not change the reading of the instrument Same as time constant None of these Same as transportation lag Maximum change in the variable that does not change the reading of the instrument Same as time constant None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means Feed forward control One feed-back loop More than one feed-back loop On-off control Feed forward control One feed-back loop More than one feed-back loop On-off control ANSWER DOWNLOAD EXAMIANS APP
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