Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 1064.43 630.74 961.93 1261.93 1064.43 630.74 961.93 1261.93 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 75 100 25 75 100 25 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermometers is not suitable for distant reading upto 60 metres? Vapor pressure thermometer Resistance thermometer Constant volume gas thermometer Mercury in glass thermometer Vapor pressure thermometer Resistance thermometer Constant volume gas thermometer Mercury in glass 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 None of these Reducing value of Kc Introducing integral control Introducing derivative control None of these Reducing value of Kc Introducing integral control Introducing derivative control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) p/nRT V/nRT nRT/P nRT/V p/nRT V/nRT nRT/P nRT/V ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Thermocouple Mercury in glass thermometer Vapor pressure thermometer Reistance thermometer Thermocouple Mercury in glass thermometer Vapor pressure thermometer Reistance thermometer ANSWER DOWNLOAD EXAMIANS APP