A solid directly converts into gaseous state is called
Sublimation
Expansion
Solidification
Fusion
Transmission of heat from particle to particle (hot end to cold end) is the basis of
Radiation
Convection
Conduction
In a steam engine, heat is converted into:
Electric Energy
Mechanical Energy
Light Energy
Chemical energy
The S.I unit of temperature is:
Degree Celsius
Fahrenheit
Kelvin
centigrade
100 °F = _____ °C
0 °C
100 °C
37.8 °C
54.7 °C
Which of the following is an application of convection?
Formation of land and sea breeze
Refrigeration
Heat insulation in houses
All the above
The process of transfer of heat from a hot body to a cold body without affecting the intermediate medium is called
Friction
Surface tension
From the following which one is not an inflammable one?
Wood
Water
Paper
LPG
Air during day time goes
From sea to the land
From land to the sea
From both places
All of these
At what temperature the celsius scale is equal to Fahrenheit scale?
-40 °C
-10 °C