Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an None of these Here Specially designed thermocouple Radiation pyrometer Optical pyrometer None of these Here Specially designed thermocouple Radiation pyrometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Multiple helix Single helix Flat spiral Bourdon tube Multiple helix Single helix Flat spiral Bourdon tube 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. Exponential decrease Increase No change Decrease Exponential decrease Increase No change Decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Iron-constantan Either A, B or C Platinum-platinum+rhodium Chromel-alumel Iron-constantan Either A, B or C Platinum-platinum+rhodium Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect. Peltier Thomson None of these Seebeck Peltier Thomson None of these Seebeck ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of None of these Log (AR) vs. log (f) and (Φ) vs. log (f) Log (AR) vs. f and log Φ vs.f AR vs. log (f) and Φ vs. log (f) None of these Log (AR) vs. log (f) and (Φ) vs. log (f) Log (AR) vs. f and log Φ vs.f AR vs. log (f) and Φ vs. log (f) ANSWER DOWNLOAD EXAMIANS APP