Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury?

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Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an ________________?

A. Venturimeter B. Orificemeter C. Magnetic flow meter D. Hot wire anemometer...

Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is ___________________?

A. Chromel-alumel B. Iron-constantan C. Platinum-rhodium D. Platinum-platinum + rhodium...

Continuous measurement of moisture in paper is done by_______________?

A. Sling psychrometer B. Hair-hygrometer C. Weighing D. High resistance Wheatstone bridge circuit...

Presence of a small amount of water in the organic systems can be determined by the _____________ method?

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Thermocouple in a thermal well behaves as a true ________________?

A. First order system B. Second order system (overdamped) C. Multiple first order system D. Second order system (underdamped)...