Heat Questions

We provide heat practice exercises, instructions, and a learning material that allows learners to study outside of the classroom. We focus on heat skills mastery so, below you will get all questions that are also asking in the competition exam beside that classroom.

List of heat Questions

Question No Questions Class
1 Water cannot be used as a liquid in a thermometer because it has:
A. higher freezing point and lower boiling point than other thermometric liquids
B. lower freezing point and higher boiling point than other thermometric liquids
c. low specific heat capacity
D. transparent colour
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2 What is the use of kink in clinical
thermometer?
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3 Choose the correct option
A. A clinical thermometer should be washed using water before and after use
B. A clinical thermometer should be washed using antiseptic solution before and after use
C. A clinical thermometer can be used after it is heated by fire
D. None of the above
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4 Before using the clinical thermometer
mercury level should be below:
( mathbf{A} cdot 45^{circ} C )
B . ( 35^{circ} mathrm{C} )
( mathbf{c} cdot 95^{circ} C )
D. ( 55^{circ} mathrm{C} )
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5 When a mercury thermometer is
inserted in a pot of hot water and the
reading is recorded, what temperature
¡s being
A. Average temperature of water and surroundings
B. Average temperature of thermometer
C. Average temperature of water and thermometer
D. Temperature difference between water and surroundings
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6 The range of a clinical thermometer is
A ( cdot 0-100^{circ} mathrm{C} )
B. 32-214 ( ^{0} ) F
c. ( 0-1273^{circ} mathrm{C} )
D. 35-42 ( ^{0} mathrm{C} )
7
7 One litre of water at ( 30^{circ} C ) is mixed with
one litre of water at ( 50^{circ} C . ) The
temperature of the mixture will be
A . ( 80 mathrm{c} )
B. more than 50c but less than 80C
( c cdot 20 c )
D. between ( 30 c ) and 500
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8 The clinical thermometer is designed to
measure the temperature of
A. Human body
B. Bodies kept in refrigerators
c. Room temperature
D. boiling water
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9 What is the measurement of
temperature in Celsius scale in the above figure?
( A cdot 25^{circ} C )
B. ( 30^{circ} ) C
( c cdot 26^{circ} C )
D ( cdot 29^{circ} C )
7
10 Human body temperature is well measured by
A. A clinical thermometer
B. A laboratory thermometer
c. Thermostat
D. Both A & B can be used
7
11 The normal temperature of human body
is
A ( cdot 27^{circ} mathrm{C} )
В. ( 37^{circ} mathrm{C} )
( mathbf{c} cdot 47^{circ} C )
D. ( 57^{circ} mathrm{C} )
7
12 The most commonly used thermometric substance is
A. water
B. alcohol
c. mercury
D. steam
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13 An ideal thermometer should have
A. Small heat capacity
B. Large heat capacity
c. Medium heat capacity
D. Variable heat capacity
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14 How should a thermometer be dipped inside beaker containing water
A. Vertically
B. Tilted
c. Any of the above way
D. None of the above way
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15 If a thermometer reads freezing point of
water as ( 20^{circ} mathrm{C} ) and boiling point at
( 150^{circ} mathrm{C} ) how much thermometer read
when the actual temperature is ( 60^{circ} mathrm{C} )
( mathbf{A} cdot 98^{circ} C )
B. ( 110^{circ} mathrm{C} )
( mathbf{c} cdot 40^{circ} mathrm{C} )
D. ( 60^{circ} mathrm{C} )
7
16 What is the limit of temperatures human body can achieve?
( mathbf{A} cdot 25^{circ} C ) to ( 42^{circ} C )
B . ( 35^{circ} mathrm{C} ) to ( 42^{circ} mathrm{C} )
( mathbf{c} cdot 35^{circ} C ) to ( 62^{circ} C )
D. ( 5^{circ} C ) to ( 42^{circ} C )
7
17 Which metal is used in thermometer?
A. copper
B. Mercury
( c . ) sodium
D. Silver
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18 At low temperatures ( _{text {thpe }} ) of thermometer is used.
A. mercury thermometer
B. water thermometer
c. alcohol thermometer
D. thermometers cannot be used
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19 Choose the wrong statement when we
measure the temperature of a water
kept in a beaker:
A. Thermometer should be kept vertical so that the bulb does not touch sides or bottom of the beaker
B. Thermometer should be kept vertical so that the bulb touches the bottom of the beaker
C. Thermometer should not be kept tilted so that the bulb touches sides or bottom of the beaker
D. Thermometer should be kept tilted without touching bottom or sides of the beaker
7
20 Among the following what should not be done while or before using a clinical thermometer?
A. Ensure that before use the mercury level is below ( 35^{circ} mathrm{C} )
B. Wash the thermometer with hot water.
c. Handle the thermometer with care, as you handle any glass articles.
D. Don’t hold the thermometer by the bulb while reading it
7
21 The freezing point on a thermometer is
marked as ( 20^{circ} ) and the boiling point as
( 150^{circ} . A ) temperature of ( left(60^{circ} Cright) ) on this thermometer will be read as:
A ( cdot 40^{circ} )
B . ( 65^{circ} )
( mathrm{c} cdot 98^{circ} )
D. None of these
7
22 Describe the construction of a
laboratory thermometer
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23 State whether given statement is True or False
The upper standard point of a thermometer is ( 273 mathrm{K} )
A. True
B. False
7
24 A clinical thermometer reads
temperature from
A ( cdot 35^{circ} ) Cto ( 42^{circ} ) C
B . ( 0^{circ} ) Cto ( 100^{circ} ) C
( mathbf{c} cdot 25^{circ} mathrm{Cto} 42^{circ} mathrm{C} )
D. ( 35^{circ} ) Cto ( 62^{circ} ) C
7
25 A radiation ( X ) is focused by a particular device on the bulb of a thermometer
and mercury in the thermometer shows a rapid increase. Name the radiation ( X )
7
26 The boiling point of mercury is ( 367^{circ} mathrm{C} . ) A mercury thermometer can be used to
measure a temperature of ( 500^{circ} mathrm{C} )
A. by filling the space above mercury with oxygen at highh pressure
B. by filling the space above mercury with nitrogen at low pressure
c. by filling the space above mercury with nitrogen at high pressure
D. by keeping the space above mercury as vacuum
7
27 A laboratory thermometer is dipped in a beaker containing hot water. As the thermometer is removed the mercury
level will
A . rise
B. fall
C. it may rise or fall depending upon how much water is kept inside the beaker
D. neither rise nor fall
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28 Choose the correct answer from the
alternatives given
For measuring very high temperature,
we use
A. Mercury thermometer
B. Thermoelectric pyrometer
c. Platinum resistance thermometer
D. None of the above
7
29 Boiling water can be measured by
A. Clinical thermometer
B. Laboratory thermometer
C. Both may be used conveniently
D. Both of them can not be used
7
30 The temperature as measured by the
thermometer shown here will be:
A ( cdot 84^{circ} mathrm{C} )
в. ( 86^{circ} mathrm{C} )
( mathrm{c} cdot 88^{circ} mathrm{C} )
D. ( 90^{circ} C )
7
31 At low temperatures ………………. type of thermometer is used.
A. mercury thermometer
B. water thermometer
c. alcohol thermometer
D. thermometers cannot be used
7
32 A clinical thermometer can not be used
to measure
A. Room temperature
B. Human body temperature
c. Temperature of a boiling water
D. Temperature of a lake water
7
33 Our body temperature cannot fall below:
( mathbf{A} cdot 37^{circ} C )
B ( .35^{circ} mathrm{C} )
( mathbf{c} cdot 40^{circ} mathrm{C} )
D. ( 42^{circ} mathrm{C} )
7
34 Laboratory thermometers have a range
of ( -10^{circ} C ) to ( $ $ )
( $ $^{circ} mathrm{C} )
7
35 Mercury is often used in clinical thermometers.Which one of the
following properties of mercury is not a reason for this ?
A. The coefficient of the thermal expansion is large
B. It is shiny
c. It is a liquid at room temperature
D. It has high density
7
36 thermometers include
two different metals that are bonded
together and expand at different rates as they warm up.
A. Liquid in glass
B. Gas
c. Bimetallic strip
D. Resistance
7
37 Two thermometers are used to record
the temperature of a room and the bulb
of one is wrapped in wet hanky.
A. The temperature recorded by both will be same
B. The temperature recorded by the wet-bulb thermometer will be greater than that recorded by the other
C. The temperature recorded by dry-bulb thermometer will be greater than that recorded by the other
D. None of the above
7
38 Mercury boils at ( 367^{circ} mathrm{C} ). Mercury thermometers are made such that they
can measure temperature up to ( 500^{circ} mathrm{C} ) This done by
A. Filling nitrogen gas at high pressure above the mercury column
B. Fillıng oxygen gas at low pressure above the mercury column
c. Filling carbondioxide gas above mercury column
D. None of the above
7
39 An ungraduated thermometer of
uniform bore is attached to a
centimeter scale and is found to read
( 10 mathrm{cm} ) in melting ice, ( 30 mathrm{cm} ) in boiling
water and ( 16 mathrm{cm} ) in a liquid. Find
temperature of the liquid.
7
40 Suppose in a clinical thermometer, the
difference between first and second
bigger marks is ( 1^{circ} ) and there are 5
small divisions between them
then each small division refers to the
difference in scale of:
( mathbf{A} cdot 0.1^{circ} C )
B. ( 0.2^{circ} mathrm{C} )
( mathbf{c} cdot 0.3^{circ} mathrm{C} )
D. ( 0.4^{circ} mathrm{C} )
7
41 Choose the correct option
This question has multiple correct options
A. Temperature of a water kept inside a beaker is measured when the laboratory thermometer is held inside the water
B. Temperature of a water kept inside a beaker is measured when the laboratory thermometer is removed from the water
C. Temperature of our body is measured when the clinical thermometer is kept inside the mouth
D. Temperature of our body is measured when the clinical thermometer is removed from the mouth
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42 The ………………..is used in a clinical
thermometer.
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43 Which of the following is not true about
Laboratory thermometers?
A. Laboratory thermometers are used to measure temperatures with a high degree of precision.
B. Laboratory thermometers are used to measure body temperature
C. Range of laboratory thermometer is -10C to 110C
D. Laboratory thermometers are designed for lab purposes such as checking boiling point, freezing point etc.
7
44 A faulty thermometer has its fixed
points marked 5 and 95 If the temperature of a body as shown on the celcius scale is 40 then its temperature shown on this faulty thermometer is.
7
45 The range of clinical thermometer is ( 35^{0} ) to ( 43^{0} )
A. True
B. False
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