Name the instrument used to measure relative humidity -

A Hygrometer
B Hydrometer
C Barometer
D None of these

Correct Answer: Hygrometer

আপেক্ষিক আর্দ্রতা পরিমাপের যন্ত্র হলো - Hygrometer, তরলের ঘনত্ব পরিমাপক যন্ত্র - Hydrometer, বাতাসের চাপ মাপার যন্ত্র হলো - Barometer ।
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Related Questions

Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity.
A Molal
B Relative
C Percentage
D None of these
The percentage humidity is less than the relative humidity only at __________ percent humidity.
A Zero
B Hundred
C Both zero and hundred
D None of these
The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the
A Temperature rises
B Pressure rises
C Temperature falls
D Pressure falls
When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity.
A Temperature rises
B Pressure rises
C Temperature falls
D Pressure falls
The instrument used for measuring relative humidity in air is ________
A Hygrometer
B Hydrograph
C Pantograph
D Barograph
Which of the following instrument is used to measure humidity?
A Kata Thermometer
B Anemometer
C Sling Psychrometer
D Medical thermometer
At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is __________ percent.
A 100
B 0
C 50
D Between 0 and 100
Critical humidity of a solid salt means the humidity
A Above which it will always become damp
B Below which it will always stay dry
C Both A and B
D Above Which it will always become dry and below which it will always stay damp
The humidity ratio or specific humidity is the mass of water vapour present in
A 1 m3 of wet air
B 1 m3 of dry air
C 1 kg of wet air
D 1 kg of dry air
A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory . There are 100 seniors, 150 juniors and 200 sophomres who applied. Each senior's junior's name , 2 times; and each sophomres who applied. Each senior's name is placed in the lottery 3 times; each junior's name ,2 times name, 2 times ; and each sphomore's name , 1 time . What is the probability that a senior's name will be chosen?
A 18
B 38
C 48 
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