Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. Chromel-alumel None of these Iron-constantan Platinum-platinum/rhodium Chromel-alumel None of these Iron-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate of a river is measured by a/an Open weir Vane meter Pitot tube Kennison nozzle Open weir Vane meter Pitot tube Kennison nozzle ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mass spectrometer is used for the composition analysis of None of these Solids Alloys Isotopes None of these Solids Alloys Isotopes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is π/3 π/12 π/6 5π/12 π/3 π/12 π/6 5π/12 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a single tank system, the transfer function of level to inlet flow rate is 1/TS R/(TS + 1) R/TS L(TS + l) 1/TS R/(TS + 1) R/TS L(TS + l) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a closed loop system, the process to be controlled is an integrating process with transfer function l/2s. The controller proposed to be used in an integral controller with transfer function 1/T₁s. When a step change in set point is applied to such a closed loop system, the controlled variable will exhibit Overdamped response Unstable response Undamped response Underdamped response Overdamped response Unstable response Undamped response Underdamped response ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS