A. Sling psychrometer
B. Hair-hygrometer
C. Weighing
D. High resistance Wheatstone bridge circuit
Related Mcqs:
- Continuous measurement of moisture content of paper in paper industry is done by measuring the_________________?
A. Thermal conductivity through the paper
B. Electrical resistance through the paper
C. Magnetic susceptibility
D. None of these - Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a __________________?
A. Thermocouple
B. Resistance thermometer
C. Mercury in glass thermometer
D. Vapor pressure thermometer - Continuous measurement of specific gravity of a liquid is done by __________________?
A. Hydrometer
B. Contact-type electric indicators
C. Displacement meter
D. Both A. and C. - Zirconia probe is used for the continuous measurement of ______________ flue gases going out of the furnace?
A. Oxygen in
B. Carbon dioxide in
C. Carbon monoxide in
D. Temperature of - Measurement of pressure in ammonia reactor is done by __________________?
A. Bourdon gauge
B. U-tube manometer
C. Inclined tube manometer
D. Pirani gauge - 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 - Temperature measurement by optical pyrometer is done above ____________ point, which is 1063°C ?
A. Antimony
B. Gold
C. Silver
D. Nickel - Measurement of sub-zero Celsius temperature in industry is done most commonly by __________________?
A. Thermocouples
B. Resistance thermometers
C. Gas thermometers
D. Bi-metallic thermometers - Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity ?
A. CO2
B. N2
C. O2
D. CO - Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic ?
A. CO2
B. O2
C. NO
D. NO2
