Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Radiation/infrared pyrometer Thermo electric pyrometer Filled system thermometer Mercury in glass thermometer Radiation/infrared pyrometer Thermo electric pyrometer Filled system thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A system with transfer function (2S/4S) + 1 is of __________ order. 2nd 1st 3rd Zero 2nd 1st 3rd Zero ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Temperature compensating Voltage measuring Temperature measuring Both B & C Temperature compensating Voltage measuring Temperature measuring Both B & C 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 Increase No change Exponential decrease Decrease Increase No change Exponential decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement is used for the determination of CO₂ percentage in the flue gas Specific gravity of petrofuels Composition of an alloy O₂ percentage in the flue gas CO₂ percentage in the flue gas Specific gravity of petrofuels Composition of an alloy O₂ percentage in the flue gas ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the Optical pyrometer Mercury in glass thermometer Alcohol filled thermometer Iron-constantan thermocouple Optical pyrometer Mercury in glass thermometer Alcohol filled thermometer Iron-constantan thermocouple ANSWER DOWNLOAD EXAMIANS APP