Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Difference between cold junction and atmospheric temperature Difference between hot and cold junctions Of hot junction only Of cold junction only Difference between cold junction and atmospheric temperature Difference between hot and cold junctions Of hot junction only Of cold junction only ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not the triple point of water? 492°R 32°R 32°F 273°K 492°R 32°R 32°F 273°K ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have High transmissivity of radiation Very thick walls Low emissivity Polished surface High transmissivity of radiation Very thick walls Low emissivity Polished surface ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/12 π/3 π/6 5π/12 π/12 π/3 π/6 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 Conductors Semi conductors Dielectrics Insulators Conductors Semi conductors Dielectrics Insulators ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Load cells are used for the measurement of Strain Velocity Stress Weight Strain Velocity Stress Weight ANSWER DOWNLOAD EXAMIANS APP