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?
a. electrical
b. mechanical
c. 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 ____.
a. current in the start winding
b. voltage across the start winding
c. 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 ___.
a. flooded evaporator
b. dry-type evaporator
c. multi-circiut evaporator
d. stamped evaporator - CORRECT ANSWER: b. dry-type evaporator
,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?
a. 3.863 hp
b. 4.517 hp
c. 4.848 hp
d. 5.209 hp - CORRECT ANSWER: c. 4.848 hp
A liquid material exerts a pressure or force ____.
a. in all directions
b. downward only
c. outward and downward
d. outward only - CORRECT ANSWER: c. outward and downward
A micron gauge is used to measure ____.
a. atmospheric pressures at high altitudes
b. atmospheric pressures at sea level
c. absolute pressures below 1 mm Hg
d. high pressure in a refrigeration system - CORRECT ANSWER: c.absolute pressures
below 1 mm Hg
A motor's speed is determined by ____.
a. size
b. voltage
c. amperage
, 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?
a. 75°F
b. 0°F
c. 95°F
d. 105°F - CORRECT ANSWER: d. 105°F
A solid material exerts a pressure or force ___.
a. in all directions
b. downward only
c. outward and downward
d. outward only - CORRECT ANSWER: b. downward only
A split-phase has a ____ winding and a ____ winding.
a. start, run
b. start, common
c. 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.
Version Comprehensive 100 Questions and
Verified Answers Accurate Solutions Already
Graded A+ Get It 100% Correct
A control can be which of the following?
a. electrical
b. mechanical
c. 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 ____.
a. current in the start winding
b. voltage across the start winding
c. 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 ___.
a. flooded evaporator
b. dry-type evaporator
c. multi-circiut evaporator
d. stamped evaporator - CORRECT ANSWER: b. dry-type evaporator
,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?
a. 3.863 hp
b. 4.517 hp
c. 4.848 hp
d. 5.209 hp - CORRECT ANSWER: c. 4.848 hp
A liquid material exerts a pressure or force ____.
a. in all directions
b. downward only
c. outward and downward
d. outward only - CORRECT ANSWER: c. outward and downward
A micron gauge is used to measure ____.
a. atmospheric pressures at high altitudes
b. atmospheric pressures at sea level
c. absolute pressures below 1 mm Hg
d. high pressure in a refrigeration system - CORRECT ANSWER: c.absolute pressures
below 1 mm Hg
A motor's speed is determined by ____.
a. size
b. voltage
c. amperage
, 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?
a. 75°F
b. 0°F
c. 95°F
d. 105°F - CORRECT ANSWER: d. 105°F
A solid material exerts a pressure or force ___.
a. in all directions
b. downward only
c. outward and downward
d. outward only - CORRECT ANSWER: b. downward only
A split-phase has a ____ winding and a ____ winding.
a. start, run
b. start, common
c. 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.
