Related Questions

Mercury thermometer is commonly used for low temperature measruement. 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
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
A 0
B 100
C 50
D None of these
Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature.
A Increase of pressure
B Increase of thermal conductivity
C Volumetric expansion
D Differential linear expansion
A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same
A Temperature measuring range (- 40°C to 450°C)
B Accuracy (± 1% of span)
C Speed of response
D All of the above
Mercury thermometer can be used to measure the temperature upto __________ °C.
A 100
B 250
C 350
D 750
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 of the above
The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing.
A Contracts
B Expands
C Does not change in volume
D Either A, B or C
The freezing point in Fahrenheit thermometer is :
A 32 degree Fahrenheit
B 0 degree Fahrenheit
C 212 degree Fahrenheit
D 1 degree Fahrenheit
একটি ত্রুটিপূর্ণ thermometer স্বাভাবিক চাপে বরফের 1ºC এবং বাষ্পে 98ºC পাঠ দেয়। উক্ত thermometer 40ºC পাঠ দিলে প্রকৃত তাপমাত্রা কত?
A 32.3ºC
B 36ºC
C 40.2ºC
D 48.4ºC
For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a
A Large area but small mass
B High thermal conductivity
C Small specific heat
D All of the above

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