Process Control and Instrumentation Photoelectric pyrometers are suitable in the temperature range of __________ °C. 800-1600 400-1600 800-2500 400-1000 800-1600 400-1600 800-2500 400-1000 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometer has the capability to measure the lowest temperature? Fused metal (Na or K) in steel thermometer Mercury in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer Fused metal (Na or K) in steel thermometer Mercury in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is 43832 2 1 43832 2 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 45° 90° 180° 0° 45° 90° 180° 0° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by None of these Introducing derivative control Introducing integral control Reducing value of Kc None of these Introducing derivative control Introducing integral control Reducing value of Kc ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means On-off control Feed forward control More than one feed-back loop One feed-back loop On-off control Feed forward control More than one feed-back loop One feed-back loop ANSWER DOWNLOAD EXAMIANS APP
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