Heat and Thermodynamics MCQ question and answer with
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1.
Energy can neither be generated nor destroyed but it can
be transformed into another form, which is called?
A.Law of sustainable energy
B.Law of energy conservation
C.Law of entropy
D.Law of conservation of mass
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Answer & Solution
Answer: Option B
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2.
Metal tea pots have wooden handles because
A.wood is a bad conductor of heat
B.it prevents electric shock
C.it give beauty to the pots
D.it is hygienic
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Answer & Solution
Answer: Option A
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3.
A glass vessel is filled with water up to the brim and a lid
is fixed to it tightly. Then it is kept inside a freezer for
hours. What is expected to happen?
A.The water freezes to ice and the level of ice comes down
B.The water in the glass vessel summer freezes to ice
C.The glass vessel breaks due to expansion as water freezes to ice
D.The water does not freeze at all
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Answer & Solution
Answer: Option C
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4.
Which one of the following scales of temperature does
not have a negative value?
A.Celsius
B.Fahrenheit
C.Kelvin
D.Reaumur
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Answer & Solution
Answer: Option C
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5.
The working principle of a mercury thermometer is
A.change in density ofmatter on heating
B.expansion of matter on heating
C.thermal resistance of matter
D.change in mass of matter on heating
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Answer & Solution
Answer: Option B
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6.
Convert 372°C into Kelvin scale.
A.846 K
B.645 K
C.546 K
D.746 K
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Answer & Solution
Answer: Option B
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7.
In a thermodynamic system the heat balance is achieved
when two bodies reach at-
A.Even heat energy
B.Equal entropy
C.The same temperature
D.The same molecular energy
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Answer & Solution
Answer: Option C
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8.
The coefficient of areal expansion of a material is 1.6 ×
10-5 K-1. Which one of the following gives the value of
coefficient of volume expansion of this material?
A.0.8 × 10-5 K-1
B.2.4 × 10-5 K-1
C.3.2 × 10-5 K-1
D.4.8 × 10-5 K-1
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Answer & Solution
Answer: Option B
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9.
The brightness of a star depends on its
A.size and temperature
B.size and distance from the Earth
C.size, temperature and mass
D.size, temperature and distance from the Earth
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Answer & Solution
Answer: Option A
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10.
Which of the following is the methods of heat transfer?
A.Convection
B.Evaporation
C.Revolution
D.Thermal Expansion
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Answer & Solution
Answer: Option A
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Read More Section(Heat and Thermodynamics)
Each Section contains maximum 100 MCQs question on Heat and Thermodynamics.
To get more questions visit other sections.
Heat and Thermodynamics - Section 1
Heat and Thermodynamics - Section 2
Heat and Thermodynamics - Section 4
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