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HEAT

To raise the temperature of heat required to raise the temperature of 1 lb of water through 1° F is called

Calories

B.Th.U

Reaumer

C.H.U

At ………… Temperature the Fahrenheit thermometer and centigrade thermometer gives the same reading.

_40 F=-40° C

32 F = 32 C

0 F=0 C

100 F=100 C

The degree of hotness / coldness of a body is called as……..

temperature

heat

kelvin

radiation

Heat energy is coverted into Mechanical energy in……….

Steam engine

sound energy

Electric energy

solar energy

Which of the following modes of heat transfer can take place in vacuum

Radiation

conduction

convection

All of these

During heating water ,water is heated due to :

conduction

Radiation

convection

All of these

Boilling point of water in Reaumur scale is ……………

212 R

373 R

100 R

80 R

If the temperature of human body is 104 °F Express the temperature in C scae .

50°C

60°C

70°C

40°C

Specific heat of copper is ……………….

2.5

2

1

3

For Measurement of high temperature of furnace the instrument used is…….

thermocouple

pyrometer

thermometer

None of these

0

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