To make combustion efficiency tests, a hole must be made ____.
A. in the flue pipe after the draft control
B. in the flue pipe before the draft control
C. over the fire at the observation door
D. under the draft hood
Answer: B
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This is not one advantage of a hydrostatic system:
a. gives smooth transitions between forward and reverse b. is cheap and simple to repair c. has a compact and flexible component arrangement d. is easy to operate
To demagnetize a material you need to apply a magnetic field in what direction?
A. Downward B. Upward C. Same D. Opposite
What is the purpose of the DEF heating circuit?
A. To heat the DEF to dosing temperatures. B. To prevent DEF freezing in colder climates. C. To create steam pressure in the DEF canister. D. To convert liquid DEF to a gas state.
If a single lightweight 8" concrete masonry unit (CMU) or block weighs 29 pounds and a supplier stacks 120 of them on a wood pallet weighing 35 pounds for delivery, what is the combined weight in pounds of the CMUs and the wood pallet?
What will be an ideal response?