Read the questions carefully and choose the letter of the correct answer.
1. The process of transferring heat through a solid object or material?
a. convection
b. conduction
c.perspiration
d.radiation
2. The first electrical air-conditioning system was discovered by __________? He is also known as the Father of Modern Air-condition.
a. Lewis Ford
b. Harry Simpson
c. Lewis
d. Willis Carrier
3. A form of heat transfer where the heat Derick travels in a form of visible or non-visible light?
a. radiation
b. convection
c. perspiration
d. conduction
4. Freon, a safer refrigerant to humans and is used in air-conditioning system was discovered ?
a. Thomas Midgley Jr.
b. Thomas Edison
c. Willis Carrier
d. John Lay
5. It was used as the first substance in air conditioning system?
a. petroleum
b. ammonia
d. liquid nitrogen
c. water​