ACR 203 Week 1 Quiz

Providing a comfortable atmosphere for people is the job...

• Everyone

• Your Parents

• Mr. Mills

• Heating and air-conditioning profession.

Select all the items that are involved in Comfort.

• Temperature

• Humidity

• Air Cleanliness

• Air Movement

Why does human skin turn red when we get too warm?

• Being too warm makes you angry.

• Being too warm makes your blood boil.

• Vessels next to the skin dilate to get blood closer to the air to heat exchange with the air.

• To help you sleep.

If the human body cannot cool itself dilating vessels in the skin, what will it do next in an attempt to cool itself?

• Shiver

• Perspire(Sweat)

• Make you sleepy.

• Get dizzy.

The human body uses what to produce energy?

• Blood

• Water

• Gas

• Food

The average core body temperature is ...

• 99.6° F

• 100° F

• 98.6° F

• 89.7° F

If the human body is in 100° F air it will ...

• Reject Heat

• Absorb Heat

If the body is in 73° air it will...

• Absorb heat

• Reject heat to it's surroundings

Pick the 3 ways the body gives off heat?

• Osmosis

• Conduction.

• Convection.

• Radiation.

The Second Law of Thermodynamics states that ...

• Heat moves from hotter objects to colder objects.

• Cold moves from colder objects to warmer objects.