In a steam engine, heat is converted into:
Electric Energy
Mechanical Energy
Light Energy
Chemical energy
Which is an effective way of bringing a hot (or a cold) fluid to a different area?
Convection
Conduction
Radiation
All of these
When two bodies at different temperatures are brought together in contact with each other, heat energy flows from:
cold body to the hot body
both of them
hot body to cold body
Heat is not transfered
Conversion of carbon dioxide into dry ice is an example of
Sublimation
Expansion
Solidification
Fusion
The process during which solid changes to liquid state is
Freezing
Boiling
Condensation
100 °C is eqivalent to how many degree fahrenheit?
32
210
212
-32
Thermal radiations travel with the speed of
3 x 108
1.5 x 109
3 x 1019
15 x 1021
A solid directly converts into gaseous state is called
100 °F = _____ °C
0 °C
100 °C
37.8 °C
54.7 °C
The S.I unit of temperature is:
Degree Celsius
Fahrenheit
Kelvin
centigrade
