Author Question: A static seal is one that is used _____. a. to drain an electrical charge from the mated ... (Read 42 times)

piesebel · **on:** Jul 24, 2018

A static seal is one that is used _____.

a. to drain an electrical charge from the mated components
b. when there is no movement between the two parts
c. when there is movement between the two parts
d. only when the seal must prevent the leakage of high-temperature materials

Question 2

What is the difference between a heat recovery ventilator (HRV) and an energy recovery ventilator (ERV)?

a. The ERV can dehumidify in the cooling mode.
b. The HRV can act as a humidifier in the heating mode.
c. The ERV has a durable metal core.
d. The HRV cannot be used in very cold climates.