Process Control and Instrumentation Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature. Volumetric expansion Increase of thermal conductivity Differential linear expansion Increase of pressure Volumetric expansion Increase of thermal conductivity Differential linear expansion Increase of pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific conductance is defined as the reciprocal of resistance in ohms of 1c.c. of liquid at a specified temperature. Its value for distilled water is about __________ micro mho/cm³. 100 10 1 50 100 10 1 50 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is None of these 1/Ts 1/(Ts + 1) S/(Ts + 1) None of these 1/Ts 1/(Ts + 1) S/(Ts + 1) 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? Invar Brass Chromel Nickel Invar Brass Chromel Nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Helium gas constant volume thermometer is suitable for the measurement of a temperature of __________ °C. < 0 > 800 > 0 < 100 < 0 > 800 > 0 < 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 0° & 80° 32° & 460° - 273° & 80° 32° & 80° 0° & 80° 32° & 460° - 273° & 80° 32° & 80° ANSWER DOWNLOAD EXAMIANS APP