A. Bubbler system
B. Differential pressure manometer
C. Diaphragm box system
D. Air-trap system
Related Mcqs:
- Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by__________________?
A. Making the volume of thermometer bulb as large as conveniently possible
B. Reducing the volume of the capillary to a minimum
C. Reducing the volume of the receiving element to a minimum
D. All A , B & C. - 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 - Liquid argon level in a pressurised storage tank (at 3 kg/cm2) is measured by a/an ____________________?
A. Gage glass
B. External float gage
C. Differential pressure gage
D. None of these - Platinum resistance thermometer can be used upto antimony point which is ____________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure?
A. 961.93
B. 630.74
C. 1064.43
D. 1261.93 - 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 - Liquid column manometers are used for measuring the pressure ______________ kgf/cm2?
A. > 2 (gage)
B. < 3 (gage)
C. < 10 (gage)
D. < atmospheric - Maximum differential pressure in liquid manometer is ______________ psi?
A. 20
B. 30
C. 40
D. 50 - The pressure sensing element of elastic type pressure gauge is never made in the form of a_________________?
A. Bellow
B. Diaphragm
C. Strip
D. Bourdon tube - 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?
A. 250
B. 350
C. 550
D. 700 - Composition of alloys can be determined by _________________?
A. Polarograph
B. Chromatograph
C. Refractometer
D. None of these
