HEAT TEMPERATURE AND PRESSURE - Quiz

1) Which one is heat insulator?

Thermocole Copper Brass Aluminium

2) Which one has the highest thermal conductivity?

Solid ice Melting ice Water Steam

3) Which one of the following is not a property of heat insulating material?

Low conductivity Resistance to fire Less moisture absorption Ductility

4) Which insulating material is most widely used in refrigerators?

Thermocole Polyurethane Glass wool Cork sheet

5) Which one is a poor heat insulator?

Glass Cork Rubber Saw dust