A ____ mine is used when a passageway is bored into a hill or mountain
A) drift
B) shaft
C) slope
D) none of these
A
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While inspection transmission gears a damaged 3rd speed gear is found. Technician A says that replacing the 3rd speed gear will be all that is needed. Technician B says that the 3rd speed gear and its mate have to be replaces as a set. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
To provide a comfortable area, it is recommended to maintain a temperature of 68 degrees Fahrenheit (20 degrees Celsius) with a relative humidity of 15 percent.
Answer the following statement true (T) or false (F)
Receptacle outlets located outdoors that are fed using an underground wiring method and supported by conduit must have at least ____________________ conduit(s) threaded wrench-tight into the box.
Fill in the blank(s) with the appropriate word(s).
The main cause of high condensing temperature and pressure in air-cooled condensers is:
A) Operating the condenser at low ambient temperatures without head pressure controls. B) Dirty condensers. C) Excessive airflow over the condenser. D) Refrigerant undercharge.