Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Nickel 30% iron + 70% nickel Lead Copper Nickel 30% iron + 70% nickel Lead Copper ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an Magnetic flow meter Orificemeter Venturimeter Hot wire anemometer Magnetic flow meter Orificemeter Venturimeter Hot wire anemometer 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) nRT/V p/nRT V/nRT nRT/P nRT/V p/nRT V/nRT nRT/P ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple is suitable for measuring Both high and low temperatures Liquid temperatures only Very low temperatures only Very high temperatures only Both high and low temperatures Liquid temperatures only Very low temperatures only Very high temperatures only ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Can measure higher temperature Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Has a slower speed of response Can measure higher temperature Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Has a slower speed of response 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
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