A. Rpm of a flywheel
B. Frequency of light
C. Depression of freezing point
D. Liquid level under pressure
Related Mcqs:
- A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in_______________?
A. Light intensity
B. Current
C. Flux density
D. Voltage - Hot wire anemometer is used for the measurement of___________________?
A. Flow rates of fluids
B. Flow rates of granular solids
C. Very high temperature
D. Thermal conductivity of gases - Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the ________________?
A. Mercury in glass thermometer
B. Optical pyrometer
C. Iron-constantan thermocouple
D. Alcohol filled thermometer - Thermal conductivity measurement is used for the determination of________________?
A. O2 percentage in the flue gas
B. Specific gravity of petrofuels
C. Composition of an alloy
D. CO2 percentage in the flue gas - Continuous measurement of moisture in paper is done by_______________?
A. Sling psychrometer
B. Hair-hygrometer
C. Weighing
D. High resistance Wheatstone bridge circuit - Thermal conductivity measurement com-prises the working principle of a_________________?
A. CO2 analyser
B. Polarimeter
C. Spectrometer
D. Chromatograph - Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their ?
A. Low thermal conductivity
B. Low electrical conductivity
C. High viscosity index
D. Low flash point - Thermal wells are used in the temperature measurement to____________________?
A. Guard against corrosive and oxidising action on thermocouple materials
B. Reduce measuring lag
C. Increase the fidelity
D. Increase the sensitivity - Mercury thermometer is commonly used for low temperature measurement. The freezing point and boiling point of mercury are respectively _____________ °C?
A. – 39 and 350
B. – 51 and 439
C. – 79 and 395
D. – 10 and 425 - Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability ?
A. Mercury in glass thermometer
B. Alcohol in glass thermometer
C. Fused metal (Na or K) in steel thermometer
D. Nitrogen in steel thermometer
