Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of sludge is not measured by a/an Kennison nozzle Orificemeter Both B & C Open weir Kennison nozzle Orificemeter Both B & C Open weir ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential. Inversely proportional to the square of Proportional to Proportional to the square root of Inversely proportional to the square root of Inversely proportional to the square of Proportional to Proportional to the square root of Inversely proportional to the square root of ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire. Decrease No change Exponential decrease Increase Decrease No change Exponential decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Kc is increased Derivative control action is introduced Integral control action is introduced Kc is reduced Kc is increased Derivative control action is introduced Integral control action is introduced Kc is reduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the Alcohol filled thermometer Mercury in glass thermometer Optical pyrometer Iron-constantan thermocouple Alcohol filled thermometer Mercury in glass thermometer Optical pyrometer Iron-constantan thermocouple ANSWER DOWNLOAD EXAMIANS APP
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