One drawback of using custom made, pre-fabricated duct sections is that ____.
A. if the measuring was not done correctly, the job may not go together
B. altering a duct section at the job site results in lost time
C. altering a duct section at the job site is extremely cost-ineffective
D. All of the above.
Answer: D
You might also like to view...
Use the finished drawing from Problem P10–3 to complete this problem. Draw the required cut and fill for the construction of the proposed level road. The elevation of the road is 530?. The angle of repose for cut is 1 1/2:1 and for 2:1 fill.
What will be an ideal response?
A solid black valve symbol usually indicates a _____ valve.
a. normally closed b. locked c. pressure relief d. normally open
When it comes to transformers, what system is used to help determine whether the mutual terms should be positive or negative?
A. Dots B. Numbers C. Letters D. Lines
The angular difference between true north and magnetic north is known as the angle of _____.
A. polarity B. retribution C. declination D. magnetism