Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Radiation pyrometer Bimetallic thermometer None of these Mercury thermometer Radiation pyrometer Bimetallic thermometer None of these Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Oil Mercury Air A metal powder or graphite Oil Mercury Air A metal powder or graphite ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have Polished surface Very thick walls Low emissivity High transmissivity of radiation Polished surface Very thick walls Low emissivity High transmissivity of radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? Constantan Alumel Chromel None of these Constantan Alumel Chromel None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of __________ can not be measured by an optical or radiation pyrometer. Combustion space in boilers Rotary limestone calcination kiln Hot blast (air) from stoves Molten slag flowing out of blast furnace Combustion space in boilers Rotary limestone calcination kiln Hot blast (air) from stoves Molten slag flowing out of blast furnace ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flapper nozzle is used in a/an __________ controller. Hydraulic Pneumatic Electronic None of these Hydraulic Pneumatic Electronic None of these ANSWER DOWNLOAD EXAMIANS APP
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