A. Vapor pressure thermometer
B. Mercury in glass thermometer
C. Constant volume gas thermometer
D. Resistance thermometer
Related Mcqs:
- 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 - Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion ?
A. Nickel
B. Brass
C. Chromel
D. Invar - 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 - The ____________ of the fluid contained in the temperature sensing element (i.e., bulb) of filled system thermometers changes with change in temperature ?
A. Pressure
B. Volume
C. Viscosity
D. All A., B. and C. - Volumetric expansion is the working principle of the ______________ thermometers?
A. Mercury in glass
B. Constant volume gas
C. Vapor pressure
D. Bimetallic - Mercury thermometer can be used to measure the temperature upto ____________ °C?
A. 100
B. 250
C. 350
D. 750 - 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 - Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by__________________?
A. Filling nitrogen under pressure in the stem
B. Increasing the diameter of the tube
C. Using steel tube in place of glass tube
D. Accounting for the tube expansion - Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere ?
A. Platinum-platinum + rhodium
B. Iron-constantan
C. Copper-constantan
D. Chromel-alumel - Which of the following is not suitable for measuring the temperature of a red hot object in the range of 800 – 1600°C ?
A. Optical pyrometer
B. Radiation pyrometer
C. Photoelectric pyrometer
D. Thermocouples
