Motorized Equipment
When working with power equipment, if a defect is noted prior to operation the pipefitter should _____.
have it repaired before using it
On the engine control panel of a tow-behind generator, what type of switch is pressed to prevent automatic shutdowns when starting the engine?
safety circuit bypass
Air compressors are rated according to _____.
psi and cfm
The two types of aerial lifts are _____.
boom and scissors
Forklifts are sometimes called _____.
powered industrial trucks
The purpose of interlocks on certain types of equipment is to _____.
prevent unsafe operation
On the engine control panel of a tow-behind generator, the hour meter is used _____.
to determine the maintenance schedule on the unit
A typical handheld pneumatic tool requires about _____.
90 psi of air pressure
In the event of an electrical or hydraulic system failure, which of the following may be used to lower the platform?
Emergency lowering valve
The greatest lift height is provided by the _____.
telescoping boom forklift
The correct way to check for a leak in a hydraulic line under pressure is to _____.
use a piece of wood or cardboard
On a generator control panel, which of the following is used to select the reference for the generator voltage displayed on the AC voltmeter?
voltage output monitor switch
On a compressor control panel, what gauge indicates the charge rate of the engine alternator?
Ammeter
The purpose of a free-wheeling valve on an aerial lift is to _____.
allow the platform to be pushed by hand
The MOST important factor to consider when using any forklift is _____
the capacity of the machine
You should NEVER add fuel to a gasoline engine _____.
while the motor is running
Before starting a generator, check on or around the control panel for evidence of _____.
arcing
Before being used, engine-driven compressors should be allowed to _____.
build up to the operating pressure
In proportional control procedures, an aerial lift is moved through operation of a _____.
lever or foot pedal
What happens when a forklift sideshift device is used to horizontally shift a load for more precise placement?
It changes the center of gravity, so more caution must be used
A light- to medium-duty welding machine will have a duty cycle of _____.
10 to 40 percent
Electrical equipment may be connected to a generator when _____.
the unit is not running
Before disconnecting a tool from an operating air compressor, it is important to _____.
close the regulator valve to that line
Before moving a piece of aerial lift equipment, the lift should be _____.
lowered and locked into place with the engine shut off
When landing an elevated load with a telescoping-boom forklift, what is recommended for keeping pedestrians safe?
Use a spotter