When the hand wheels on the gauge manifold are turned counter clockwise:
A) Refrigerant flow between the outer hoses and the center hose is shut off.
B) Refrigerant can flow between the outer hoses and the center hose.
C) The pressure in the hoses is allowed to travel up to the gauges for a reading.
D) The pressure in the hoses is shut off from the gauges and no reading can be made.
B
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Bundles of shingles and other roofing materials should be placed _____.
a. close to the edge of the roof b. directly over rafters or trusses c. between rafters or trusses d. near the ridge of the roof
If the engine is not running, technician A says that the high-voltage circuits are depowered. Technician B says that all high voltage wiring is orange in color. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The schematic symbol for a NAND gate differs from an AND gate by the output ________
Fill in the blank(s) with correct word
Which of the following unit clearances is typically the largest?
A) A 6-inch clearance from all combustibles on all sides B) Service clearance C) A 12-inch clearance from all items that can be damaged by the strong magnetic force field generated by the furnace D) Clearance for the vent