Heat is transferred through………………
a) Conduction
b) Convection
c) Radiation
d) All of these
The….is the SI system unit for measuring heat:
a) joule
b) centigrade
c) kelvin
d) all of these
Solids, liquids and gases are expand on heating is called……….
a) thermal expansion
b) thermal contraction
c) both a and b
d) none of these
On heating solids: NTS PST 24/11/2019 (11:30)
a) Expand
b) Condense
c) shrink
d) conceal
Thermal expansion is not involved in…………
a) metal tyres over the wheels
b) automatic fire alarm
c) thermostat
d) wooden stick
Solids, liquids and gases are
expanding on heat and after cooling they contract is called
a) thermal expansion
b) thermal contraction
c) both a and b
d) none of these