Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Reproducibility Time lag Static error Dead zone Reproducibility Time lag Static error Dead zone 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 Reducing the volume of the capillary to a minimum All of these Making the volume of thermometer bulb as large as conveniently possible Reducing the volume of the receiving element to a minimum Reducing the volume of the capillary to a minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a non-zero slope at the origin Is overdamped Has a damped oscillatory characteristics Is unstable Has a non-zero slope at the origin Is overdamped Has a damped oscillatory characteristics Is unstable ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a 'contact' pyrometer? Infra red pyrometer Radiation pyrometer Optical pyrometer Resistance pyrometer Infra red pyrometer Radiation pyrometer Optical pyrometer Resistance pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Vapor pressure thermometer Mercury in glass thermometer Thermocouple Reistance thermometer Vapor pressure thermometer Mercury in glass thermometer Thermocouple Reistance thermometer 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 Reducing value of Kc Introducing integral control None of these Introducing derivative control Reducing value of Kc Introducing integral control None of these Introducing derivative control ANSWER DOWNLOAD EXAMIANS APP