HVAC Pretest BOMA 2025-2026 Most Recent Version Comprehensive 100 Questions and Verified Answers Accurate Solutions Already Graded A+ Get It 100% Correct
A control can be which of the following?
- electrical
- mechanical
- electrical and mechanical
d. all of the above - CORRECT ANSWER: d. all of the above
A current magnetic relay opens and closes its contacts based on the ____.
- current in the start winding
- voltage across the start winding
- voltage across the run winding
d. current in the run winding - CORRECT ANSWER: d. current in the run winding
A direct expansion-type evaporator is also called a ___.
- flooded evaporator
- dry-type evaporator
- multi-circiut evaporator
d. stamped evaporator - CORRECT ANSWER: b. dry-type evaporator
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A helicopter is lifting an 800-pound unit at a rate of 200 feet per minute. How many horsepower of work energy is the helicopter using in the process?
- 3.863 hp
- 4.517 hp
- 4.848 hp
d. 5.209 hp - CORRECT ANSWER: c. 4.848 hp
A liquid material exerts a pressure or force ____.
- in all directions
- downward only
- outward and downward
d. outward only - CORRECT ANSWER: c. outward and downward
A micron gauge is used to measure ____.
- atmospheric pressures at high altitudes
- atmospheric pressures at sea level
- absolute pressures below 1 mm Hg
- high pressure in a refrigeration system - CORRECT ANSWER: c.absolute pressures
below 1 mm Hg
A motor's speed is determined by ____.
- size
- voltage
- amperage 2 / 3
d.number of motor poles - CORRECT ANSWER: d. number of motor poles
A normally operating water-cooled condenser is operating with a 10° differential between water in and water out. If the amount of 85°F water going through the condenser is reduced, which of the following is a possible temperature of the water leaving the condenser?
- 75°F
- 0°F
- 95°F
d. 105°F - CORRECT ANSWER: d. 105°F
A solid material exerts a pressure or force ___.
- in all directions
- downward only
- outward and downward
d. outward only - CORRECT ANSWER: b. downward only
A split-phase has a ____ winding and a ____ winding.
- start, run
- start, common
- common, run
d. run, common - CORRECT ANSWER: a. start, run
A split-phase motor can use a ____ to energize and de-energize the start winding.
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