NATE Industry Competency Exam: Core
A particular cleaning solution is made by mixing a liquid cleaning
concentrate with
water. The instructions specify mixing 1 quart of concentrate with 14 quarts
of water. A
technician wishes to prepare 60 quarts of mixed cleaning solution. How
many quarts of
a.
cleaning concentrate will be
3
b .3
needed?
¾
c.
4
d. 4 ¾ correct
answers C
A technician is using a flexible rule that uses inches that are divided into
32
Thedivisions.
technician is marking a length of tubing that is 11 1/8 inches in length.
How many
divisions will be used to mark off the 1/8th of
an inch?
a. Four
b.
Eight
c.
Sixteen
d. Thirty-two correct
answers A
What tool is typically used immediately after copper
tubing is cut?
a.
Swage
b.
Torch
c.
Reamer
d. Flaring correct
answers C
The federal regulatory agency with jurisdiction over the shipping and
labeling of
refrigerants
is:
a. Occupational Safety and Health Administration
(OSHA).
b. Environmental Protection Agency
(EPA).
c. Department
According of Transportation
to health (DOT). correct
and safety regulations, when climbing up or down a
answers C
ladder the
worker
must:
a. Always face the
ladder.
b. Always face away from the
ladder.
c. Always use two hands to grasp the
ladder.
d. Always climb up or down as fast as possible. correct
answers A
, Ceiling joints typically rest
directly on:
a. Wall top
plates.
b. Vertical
studs.
c.
Rafters.
d. A ridge. correct
answers A
Which one of the following terms refers to the temperature at which
moisture
begins to in the air on
condense
objects?
a. Dry bulb
temperature
b. Dew
point
c. Humidity
ratio
d. Wet bulb temperature correct
answers B
Moisture (or water vapor) in the
air is:
a. Specific
heat.
b. Sensible
c.
heat.
Superheat.
d. Latent heat. correct
answers D
In order to determine relative humidity, the technician should
use a(n):
a. Inclined
manometer.
b. Sling
psychrometer.
c.
Anemometer.
d. Pyrometer. correct
answers B
In regard to the installation of a room thermostat, which one of the following
is
statements
correct?
a. The wall opening behind the thermostat must be
sealed.
b. The thermostats should be 7 feet above the floor, anywhere in
theThe
c. room.
thermostat must be installed in a hallway near a door
or The
d. window.
thermostat should be located correct
answers A
As pressure on a liquid increases, the boiling point of
the liquid:
a.
Increases.
b.
Decreases.
c. Increases or decrease, depending on the ambient air
temperature.
d. Increases or decreases, depending on the elevation. correct
answers A
A 5-kW electric heater rated at 240 volts equals how
many watts?
A particular cleaning solution is made by mixing a liquid cleaning
concentrate with
water. The instructions specify mixing 1 quart of concentrate with 14 quarts
of water. A
technician wishes to prepare 60 quarts of mixed cleaning solution. How
many quarts of
a.
cleaning concentrate will be
3
b .3
needed?
¾
c.
4
d. 4 ¾ correct
answers C
A technician is using a flexible rule that uses inches that are divided into
32
Thedivisions.
technician is marking a length of tubing that is 11 1/8 inches in length.
How many
divisions will be used to mark off the 1/8th of
an inch?
a. Four
b.
Eight
c.
Sixteen
d. Thirty-two correct
answers A
What tool is typically used immediately after copper
tubing is cut?
a.
Swage
b.
Torch
c.
Reamer
d. Flaring correct
answers C
The federal regulatory agency with jurisdiction over the shipping and
labeling of
refrigerants
is:
a. Occupational Safety and Health Administration
(OSHA).
b. Environmental Protection Agency
(EPA).
c. Department
According of Transportation
to health (DOT). correct
and safety regulations, when climbing up or down a
answers C
ladder the
worker
must:
a. Always face the
ladder.
b. Always face away from the
ladder.
c. Always use two hands to grasp the
ladder.
d. Always climb up or down as fast as possible. correct
answers A
, Ceiling joints typically rest
directly on:
a. Wall top
plates.
b. Vertical
studs.
c.
Rafters.
d. A ridge. correct
answers A
Which one of the following terms refers to the temperature at which
moisture
begins to in the air on
condense
objects?
a. Dry bulb
temperature
b. Dew
point
c. Humidity
ratio
d. Wet bulb temperature correct
answers B
Moisture (or water vapor) in the
air is:
a. Specific
heat.
b. Sensible
c.
heat.
Superheat.
d. Latent heat. correct
answers D
In order to determine relative humidity, the technician should
use a(n):
a. Inclined
manometer.
b. Sling
psychrometer.
c.
Anemometer.
d. Pyrometer. correct
answers B
In regard to the installation of a room thermostat, which one of the following
is
statements
correct?
a. The wall opening behind the thermostat must be
sealed.
b. The thermostats should be 7 feet above the floor, anywhere in
theThe
c. room.
thermostat must be installed in a hallway near a door
or The
d. window.
thermostat should be located correct
answers A
As pressure on a liquid increases, the boiling point of
the liquid:
a.
Increases.
b.
Decreases.
c. Increases or decrease, depending on the ambient air
temperature.
d. Increases or decreases, depending on the elevation. correct
answers A
A 5-kW electric heater rated at 240 volts equals how
many watts?
