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Worksheets

CDF assessment

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Commonly used unit of heat is _____

a)
BTU
b)
joule
c)

calorie (cal)

d)
watt
2.

Heat is form of ____

a)
matter
b)
force
c)
temperature
d)
energy
3.

Heat is a _____ quantity.

a)
vector
b)
tensile
c)
dynamic
d)
scalar
4.

1 cal = ____

a)
10 calories
b)
1 joule
c)

4.2 joules

d)
0.5 joules
5.

1 kilo cal = ______

a)
1000 calories
b)
1.5 kilo cal
c)
1500 calories
d)
500 calories
6.

S.I. unit of heat = ____

a)
calorie
b)
watt
c)
joule
d)
kilojoule
7.

Heat energy is also called _____

a)
mechanical energy
b)
thermal energy
c)
potential energy
d)
kinetic energy
8.

Heat is a form of energy which always flow from a _______

a)

Cold body to a hot body

b)

Hot body to a cold body

c)

Cold body to cold body

d)

Hot body to hot body

9.

1000 cal = _____

a)

4180 Joules

b)

2000 Joules

c)

2000 cal

d)
500 cal
10.

________ is the quantity of heat energy required to raise the temperature of 1 gm of water through 1° C

a)

1 joule

b)

1 BTU

c)

1 watt

d)

1 calorie

11.

Two bodies are set to be in ______, if no net transfer of heat takes place when they are in contact.

a)
thermal resistance
b)
thermal conductivity
c)
thermal expansion
d)
thermal equilibrium
12.

The degree of hotness or coldness of the body is called______

a)
temperature
b)
humidity
c)
pressure
d)
altitude
13.

S.I. Unit of temperature is _____

a)
Rankine
b)

Kelvin (K)

c)
Fahrenheit
d)
Celsius
14.

If systems B and C are each in thermal equilibrium with a third system A, then B and C are in thermal equilibrium with each other. Identify the statement?

a)

Zeroth law of thermodynamics

b)

First law of thermodynamics

c)

Second law of thermodynamics

d)

None of the above

15.

_______is the branch of heat dealing with the measurement of temperature.

a)
Thermodynamics
b)
Thermal conductivity
c)
Heat transfer
d)
Thermometry
16.

All bodies in thermal equilibrium must have a common property which has the same value for all of them. This property is called _____

a)
mass
b)
volume
c)
temperature
d)
pressure
17.

Other unit of temperature is ______ and ______

a)
Fahrenheit and Rankine
b)
Rømer and Delisle
c)
Newton and Reaumur
d)

Celsius and Fahrenheit

18.

Dimensional formula of temperature is _____

a)
[L]
b)
[M]
c)
[T]
d)

[Θ] or [ K]

19.

Unit of heat is ______ as energy

a)

None of them

b)

Same

c)

Different

d)

Both of them

20.

1 K joule = _______

a)
1000 joules
b)
1 megajoule
c)
500 joules
d)
1500 joules