CDF assessment

Commonly used unit of heat is _____

• BTU
• joule
• calorie (cal)

• watt

Heat is form of ____

• matter
• force
• temperature
• energy

Heat is a _____ quantity.

• vector
• tensile
• dynamic
• scalar

1 cal = ____

• 10 calories
• 1 joule
• 4.2 joules

• 0.5 joules

1 kilo cal = ______

• 1000 calories
• 1.5 kilo cal
• 1500 calories
• 500 calories

S.I. unit of heat = ____

• calorie
• watt
• joule
• kilojoule

Heat energy is also called _____

• mechanical energy
• thermal energy
• potential energy
• kinetic energy

Heat is a form of energy which always flow from a _______

• Cold body to a hot body

• Hot body to a cold body

• Cold body to cold body

• Hot body to hot body

1000 cal = _____

• 4180 Joules

• 2000 Joules

• 2000 cal

• 500 cal

________ is the quantity of heat energy required to raise the temperature of 1 gm of water through 1° C

• 1 joule

• 1 BTU

• 1 watt

• 1 calorie