Installation clearances for rooftop units are required
A) to insure that the weight of the unit does not rest directly on any roof trusses, beams, joists, or rafters
B) to maintain a safe distance between the wiring and combustible materials
C) to isolate the equipment from materials that might be damaged by refrigerant leaks
D) to insure the correct airflow through the condenser coil
D
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A transmission is hard to shift into first gear and cannot be shifted into reverse at all. What could be the cause?
A) Excessive clutch pedal free-play B) Bad U-joints C) A loose clutch pedal pad D) Not enough clutch pedal free-play
If a cooling system operates at too cool of a temperature, the engine will _______________
A) Produce more torque B) Have more efficiency C) Pre-ignite or detonate D) Produce higher emissions
The two main types of projection are:
a. Orthographic and isometric b. Cabinet and third angle projection c. First and third angle projection d. Parallel and perspective projection e. Cavalier and three point perspective projection
Threads per inch is the number of threads measured in one inch. The reciprocal of the pitch in inches.
Answer the following statement true (T) or false (F)