Heat Test

Result

Heat Test - 8

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following objects is hot?

A
Wooden handle of a frying pan

B
Tumbler containing ice tea

C
Spoon containing boiled milk

D
Icebox
Question 2
1 / -0

Four containers with black, white, green and yellow coloured surfaces are kept on a flame. The container of which colour will absorb the greatest amount of heat?

A
Black

B
White

C
Green

D
Yellow
Question 3
1 / -0

Which toxic metal is present in a clinical thermometer?

A
Mercury

B
Silver

C
Copper

D
Aluminium
Question 4
1 / -0

The degree of hotness or coldness of a body is measured in terms of

A
heat

B
conduction

C
temperature

D
All of the above
Question 5
1 / -0

Maximum-minimum thermometer is related to

A
body temperature

B
rainfall

C
conduction

D
weather report
Question 6
1 / -0

Transfer of heat in liquids and gases is primarily by

A
conduction

B
convection

C
radiation

D
None of these
Question 7
1 / -0

The direction of the flow of heat through a body depends upon

A
the quantity of heat in the body

B
the temperature difference

C
Both (1) and (2)

D
None of these
Question 8
1 / -0

Why do firemen wear helmets made of brass polished from outside?

A
Because brass absorbs most of the heat

B
Because brass reflects most of the heat

C
Because brass is a bad conductor of heat

D
Because brass transmits most of the heat
Question 9
1 / -0

Which of the following statements is true?

A
The transfer of heat by radiation requires a medium.

B
Under specific circumstances, heat flows from colder body to hotter body.

C
The direction of the flow of heat through a body depends upon the quantity of heat in the body.

D
The temperature of a substance is the measure of the average kinetic energy of molecules.
Question 10
1 / -0

By which process is it possible to transfer heat in vacuum?

A
Radiation

B
Convection

C
Induction

D
Conduction
Question 11
1 / -0

The process in which heat flows from one end of a body to the other in the direction of fall of temperature without actual movement of the particles is called

A
convection

B
conduction

C
radiation

D
None of these
Question 12
1 / -0

Which two scales are used to measure the temperature of a patient?

A
Kelvin and Metre scales

B
Celsius and Fahrenheit scales

C
Fahrenheit and Kelvin scales

D
Calorie and Celsius scales
Question 13
1 / -0

Which physical principle is used in the working of chimneys of furnaces?

A
Convection in water

B
Radiation of heat

C
Convection in air

D
Conduction in air
Question 14
1 / -0

A metal rod joins three iron balls having different temperatures as shown below:

What will be the direction of the flow of heat?

A
A B C

B
A B C

C
A B C

D
A B C
Question 15
1 / -0

The relationship between Centigrade (T_c) and Fahrenheit (T_F) scales is

A
T_C = (T_F – 32)

B
(T_C – 32) = T_F

C
T_C = (T_F – 32)

D
T_C – 32 = T_F