A. Temperature
B. Pressure
C. Concentration
D. Flow rate
Related Mcqs:
- Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) ?
A. V/nRT
B. nRT/V
C. nRT/P
D. P/nRT - Helium gas constant volume thermometer is suitable for the measurement of a temperature of ______________ °C?
A. < 100
B. < 0
C. > 0
D. > 800 - 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 - 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 - All the thermocouples used for temperature measurement use dissimilar metal ________________?
A. Strips
B. Bars
C. Wires
D. Beads - 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 ________________?
A. Air
B. A metal powder or graphite
C. Oil
D. Mercury - 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 - 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 - 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
