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NACHI SAFE PRACTICES

QuestionAnswer
T/F: Tipping sideways is the main problem with self-supported ladders or step ladders. TRUE
A Type-IA ladder supports a maximum of _______________. 300 LBS
According to OSHA, ladder rails must be at least __________ apart. 11-1/2 inches
f a person is going to climb onto a roof, the ladder should extend ___ feet higher than the roof 3
A 24-foot ladder has a maximum working height of ____ feet. 21
A non-self-supporting portable ladder, non-adjustable in length, consisting of but one section is called a(n) __________. SINGLE LADDER
The "safe zone" represents a distance of _____ feet from any power lines 10
T/F: In order to avoid problems with pre-ignition when starting a combustion appliance, whenever possible, the inspector should shut off power to the appliance before turning up the thermostat. TRUE
Multiple resetting of an oil-fired combustion appliance can result in __________. A BURNER FIRE
T/F: An inspector should activate the reset button of an oil-fired combustion appliance no more than twice. FALSE
Pre-ignition happens when gas flowing into a combustion appliance ignites ___________. TOO LATE
T/F: Some voltage detectors may not work properly if the user is not reasonably well-grounded. TRUE
Pushing wires aside to expose a panel rating label may cause ___________. AN EXPLOSIVE SHORT CIRC
The proper screws for securing a dead front are _________. FINE THREADED AND BLUNT
Class 00 electrical gloves are rated for _____ volts AC. 500
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