Process Control and Instrumentation High temperature of around 2000°C of incandescent gas mantles is measured by a/an Radiation pyrometer Specially designed thermocouple None of these Here Optical pyrometer Radiation pyrometer Specially designed thermocouple None of these Here Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Approaches 180° asymptotically Is 90° at the most Is 120° Is 30° Approaches 180° asymptotically Is 90° at the most Is 120° Is 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The characteristic equation for the control system with a closed loop transfer function G₁/1 + G₂ is given by 1 + G₂ = 0. The characteristic equation for the control system Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability All of these Depends only upon the open loop transfer function Is the same for set point or load changes Determines its stability All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = overshoot Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping Decay ratio = overshoot Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Large damping co-efficient means smaller damping ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum All of these Reducing the volume of the capillary to a minimum Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum All of these Reducing the volume of the capillary to a minimum ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dilute wine was used as a thermometric liquid initially to develop temperature scale. First emperical temperature scale developed was the __________ scale. Kelvin Centigrade Reaumer Fahrenheit Kelvin Centigrade Reaumer Fahrenheit ANSWER DOWNLOAD EXAMIANS APP
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