A raised metal frame that is sealed to the roof along the outside where rooftop air conditioners rest is called a:
A) Curb. B) Pad. C) Platform. D) Plenum.
A
You might also like to view...
The use of electronic devices to reduce sound transmission is known as:
A) Active noise reduction B) Impulsive noise reduction C) Noise-induced reduction D) None of the above
Use the formula above to determine the width of each of the 4 required heel miters on an short-radius elbow on 4" pipe with an insulation OD of 8".
a. 1.57
b. 3.14
c. 3.52
d. 6.28
The layer of the atmosphere closest to Earth is the:
a. thermosphere c. mesosphere b. troposphere d. stratosphere
Technician A says that pneumatic grease guns are more expensive than battery operated grease guns. Technician B says that battery operated grease guns require a supply of compressed air. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician