Process Control and Instrumentation Which of the following controllers has maximum offset? P-I controller P-controller P-D controller P-I-D controller P-I controller P-controller P-D controller P-I-D controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability Bode stability Nyquist None of these Routh stability Bode stability Nyquist None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Optical pyrometer Radiation pyrometer Resistance pyrometer Infra red pyrometer Optical pyrometer Radiation pyrometer Resistance pyrometer Infra red pyrometer 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 Continuous measurement of moisture in paper is done by Sling psychrometer High resistance Wheatstone's bridge circuit Weighing Hair-hygrometer Sling psychrometer High resistance Wheatstone's bridge circuit Weighing Hair-hygrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Volumetric expansion is the working principle of the __________ thermometers. Vapor pressure Mercury in glass Constant volume gas Bimetallic Vapor pressure Mercury in glass Constant volume gas Bimetallic ANSWER DOWNLOAD EXAMIANS APP