Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? All of these Chromel-constantan Iron-constantan Platinum-platinum + rhodium All of these Chromel-constantan Iron-constantan Platinum-platinum + rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Paraffin Ethylene glycol Water Carbon tetrachloride Paraffin Ethylene glycol Water Carbon tetrachloride 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 25 100 75 25 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Derivative control action is introduced Integral control action is introduced Kc is reduced Kc is increased Derivative control action is introduced Integral control action is introduced Kc is reduced Kc is increased ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. 750 500 1000 250 750 500 1000 250 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Chromel-alumel Copper-constantan Iron-constantan Platinum-platinum/rhodium Chromel-alumel Copper-constantan Iron-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
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