Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Helium None of these Nitrogen Hydrogen Helium None of these Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer is the international standard for temperature measurement between Neither A nor B Both A and B Triple point of hydrogen and freezing point of antimony 13.81°K to 903.9°K Neither A nor B Both A and B Triple point of hydrogen and freezing point of antimony 13.81°K to 903.9°K ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Insulators Conductors Semi conductors Dielectrics Insulators Conductors Semi conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pirani gauge is used for the measurement of Very high pressure Liquid level under pressure High vacuum Liquid level at atmospheric pressure Very high pressure Liquid level under pressure High vacuum Liquid level at atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an Optical pyrometer Chromel-alumel thermocouple Either B or C Radiation pyrometer Optical pyrometer Chromel-alumel thermocouple Either B or C Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid flow rate in an open channel can not be measured by a/an Rectangular weir Cipolletti weir V-notch Orifice meter Rectangular weir Cipolletti weir V-notch Orifice meter ANSWER DOWNLOAD EXAMIANS APP