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 Integral control action is introduced Kc is increased Kc is reduced Derivative control action is introduced Integral control action is introduced Kc is increased Kc is reduced Derivative control action is introduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = overshoot Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = (overshoot)² Decay ratio = overshoot Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = (overshoot)² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Increase of pressure Differential linear expansion Volumetric expansion Increase of thermal conductivity Increase of pressure Differential linear expansion Volumetric expansion Increase of thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 750 250 1000 500 750 250 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Polarograph is meant for the analysis of Solids Gaseous mixture Isotopes Miscible liquids Solids Gaseous mixture Isotopes Miscible liquids ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flapper nozzle is used in a/an __________ controller. Electronic Pneumatic Hydraulic None of these Electronic Pneumatic Hydraulic None of these ANSWER DOWNLOAD EXAMIANS APP