QUESTIONS WITH COMPLETE
SOLUTIONS!!
1 of 75
Definition
If the electric hot water heater is not heating, what are the first two
things that you would check?
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Hole in heat exchanger or improper
Thermostat a/c switch.
draft.
, Limit switch. Breaker and thermostat reset.
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2 of 75
Definition
When is the best time of year to prune trees and shrubs?
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Mid-summer or late winter, Any time of year, regardless of the
depending on the species. plant type.
Late spring or early summer, for Early spring or early fall,
all trees and shrubs. depending on the type of tree
or shrub.
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3 of 75
Definition
Flux is used:
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, To insulate electrical wires. To seal joints after welding.
To lubricate metal parts To clean copper wire before
during assembly. soldering.
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4 of 75
Definition
When using tape to conceal joints in dry wall construction, the first
operation is:
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Sealing the joints with caulk. Sanding the joints smooth.
Applying paint to the joints. Applying cement to the joints.
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, 5 of 75
Definition
If the thermostat is lowered from 75 degrees to 65 degrees on the
cooling cycle, the air coming out of the ducts will be at least 10
percent cooler.
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Points. Volt-ohm tester.
False True
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6 of 75
Definition
What is the correct way to connect copper to aluminum wire?
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Wrap Solder the copper wire to the
the joint with insulating tape.
aluminum wire.
Use a special connector You should never connect
designed for both metals. copper wire to aluminum wire.