Selection and sizing of air ducts is based on _____.
a. air volume
b. height
c. air temperature
d. duct location
a. air volume
Trades & Technology
You might also like to view...
Unloading occurs in what type of system?
A. hydraulic B. mechanical C. pneumatic D. ventilation
Trades & Technology
Sparks from a cutting operation can travel at least _____
a. 20 feet b. 30 feet c. 40 feet d. 50 feet
Trades & Technology
__________ are devices that, when in place, prevent the accidental energizing of equipment.
A. Lockout devices B. OSHA devices C. Tagout devices D. Warning devices
Trades & Technology
____ are used on topographical maps to connect points of elevation; these lines tell whether the land in question is flat or hilly, gently sloped, concave, or convex.
A. Elevation lines B. Interval lines C. Contour lines D. Ridge lines
Trades & Technology