Heat Thermodynamics - WBCS Online Portal for Self Studies

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Heat, Temperature & Thermodynamics

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Boni

The instrument used to measure humidity is
A)anemometer
B)hygrometer
C)thermometer
D)None of these

Sucheta

B

Boni

One Joule is approximately equal to
A).28 cal
B).32 cal
C).24 cal
D)None of these

Sucheta

C

Boni

Temperature is a property which determines
A. How much heat a body contains
B. Whether a body will feel hot or cold to touch
C. In which direction heat will flow between two systems
D.How much total absolute energy a body has

Sucheta

C

Boni

We prefer mercury as a thermometric substance because
A.Over a wide range of temperature its expansion is uniform
B.It does not stick to thermometer glass
C.It opaque to light
D.All of above

Sucheta

D

Boni

. The scales of temperature are based on two fixed points which are
A.The temperature of melting ice and boiling water at atmospheric pressure
B.The temperatures of ice cold and boiling water
C.The temperatures of frozen and boiling mercury

Sucheta

A

Ananya Sarkar

The latent heat of ice is-
80 calorie per gram / 85 calorie per gram / 65 calorie per gram /100cal per gram

Boni

. In a clinical thermometer the mercury in the capillary tube does not contract once removed from the patient because
A.Mercury takes a long time to contract
B.The amount of mercury use is very small
C.The capillary tube has a small constriction near the bulb
D.The capillary tube is very narrow

Ananya Sarkar

The hottest condition of black body is a good radiator of heat.
True / false

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