Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer Mercury in glass thermometer Filled system thermometer Radiation/infrared pyrometer Thermo electric pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The function of a transducer is to Convert the primary signal into a more useful quantity, usually an electric impulse Amplify the input signal Codify/decodify the input signal Modify the input signal Convert the primary signal into a more useful quantity, usually an electric impulse Amplify the input signal Codify/decodify the input signal Modify the input signal ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion? Brass Invar Nickel Chromel Brass Invar Nickel Chromel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is S/(Ts + 1) None of these 1/(Ts + 1) 1/Ts S/(Ts + 1) None of these 1/(Ts + 1) 1/Ts 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/P nRT/V p/nRT V/nRT nRT/P nRT/V p/nRT V/nRT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon tube is never made of Stainless steel Cast iron Monel metal Phosphor bronze Stainless steel Cast iron Monel metal Phosphor bronze ANSWER DOWNLOAD EXAMIANS APP