Before using a pneumatically powered nailer for the first time, it is important to _____
a. disassemble the nailer for inspection
b. load the nails into the nailer
c. ensure that a GFCI is in the power supply
d. read the manufacturer's instructions
d
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Technician A says oil accumulation in the air cleaner may indicate the PCV valve or hose is restricted. Technician B says a restricted PCV valve or hose may result in the accumulation of moisture and sludge in the engine and engine oil. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
For every 15° above 77°, the life of a lead-acid battery is _____.
a. reduced by 15% b. reduced by 20% c. reduced by 50% d. increased by 20%
For grinding and repairing pipe, it is best to select a grinding disk that can be used at a _____ -degree angle.? ?
A. 30? B. 45? C. 60? D. 90?
If an air-conditioning system develops a refrigerant leak and the unit is not equipped with a low pressure control, which of the following could occur?
A. The compressor could overheat. B. The head pressure would rise. C. Air could get pulled into the system. D. Both A and C are correct.