SAFE OPERATION
When working with power equipment, if a defect is noted prior to operation the pipefitter should _____.
WHAT IS
have it repaired before using it
On the engine control panel of a tow-behind generator, the hour meter is used _____.
WHAT IS
to determine the maintenance schedule on the unit
A typical handheld pneumatic tool requires about _____.
WHAT IS
90 psi of air pressure
The two types of aerial lifts are _____.
WHAT IS
boom and scissors
Maintenance of aerial lifts involves inspections of the following systems: mechanical, electrical, miscellaneous, and _____.
WHAT IS
hydraulic
When landing an elevated load with a telescoping-boom forklift, what is recommended for keeping pedestrians safe?
WHAT IS
Use a spotter
The distance between the end of the chain on a trencher and any obstacles must be a minimum of _____.
WHAT IS
3 feet
The purpose of compaction equipment is to _____.
WHAT IS
eliminate soil settlement
The purpose of interlocks on certain types of equipment is to _____.
WHAT IS
prevent unsafe operation
On a generator control panel, which of the following is used to select the reference for the generator voltage displayed on the AC voltmeter?
WHAT IS
voltage output monitor switch
On a compressor control panel, what gauge indicates the charge rate of the engine alternator?
WHAT IS
Ammeter
In the event of an electrical or hydraulic system failure, which of the following may be used to lower the platform?
WHAT IS
Emergency lowering valve
Forklifts are sometimes called _____.
WHAT IS
powered industrial trucks
On a trencher, power to the drive wheels and digging boom is provided by a _____.
WHAT IS
hydraulic system
A light- to medium-duty welding machine will have a duty cycle of _____.
WHAT IS
10 to 40 percent
When operating the loader of a backhoe, drive _____.
WHAT IS
up or down the slope
The correct way to check for a leak in a hydraulic line under pressure is to _____.
WHAT IS
use a piece of wood or cardboard
Before starting a generator, check on or around the control panel for evidence of _____.
WHAT IS
arcing
Before being used, engine-driven compressors should be allowed to _____.
WHAT IS
build up to the operating pressure
The purpose of a free-wheeling valve on an aerial lift is to _____.
WHAT IS
allow the platform to be pushed by hand
The greatest lift height is provided by the _____.
WHAT IS
telescoping boom forklift
Before starting the engine of a trencher, which of the following must be in the stop position?
WHAT IS
Digging chain control
Every welding machine must be equipped with _____.
WHAT
a ground fault circuit interrupter
The machine shown in the figure provided is a _____.
WHAT IS
boom truck.
You should NEVER add fuel to a gasoline engine _____.
WHAT IS
while the motor is running
Electrical equipment may be connected to a generator when _____.
WHAT IS
the unit is not running
Before disconnecting a tool from an operating air compressor, it is important to _____.
WHAT IS
close the regulator valve to that line
In proportional control procedures, an aerial lift is moved through operation of a _____.
WHAT IS
lever or foot pedal
The MOST important factor to consider when using any forklift is _____.
WHAT IS
the capacity of the machine
Trench digging is done by moving the trencher _____.
WHAT IS
away from the digging boom
Trash pumps are designed PRIMARILY to pump _____.
WHAT IS
water
Which of the following is a rough-terrain, mobile crane with oversized tires for navigating construction sites and broken ground?
WHAT IS
Cherry picker
A light- to medium-duty welding machine will have a duty cycle of _____.
WHAT IS
10 to 40 percent
Air compressors are rated according to _____.
WHAT IS
psi and cfm
Extra precautions must be taken when working with air compressors because they are loud when operated, present fire hazards, and _____.
WHAT IS
operate under high pressure
Before moving a piece of aerial lift equipment, the lift should be _____.
WHAT IS
lowered and locked into place with the engine shut off
What happens when a forklift side shift device is used to horizontally shift a load for more precise placement?
WHAT IS
It changes the center of gravity, so more caution must be used
Before starting any trenchwork, make sure to _____.
WHAT IS
Call 811
The type of compactor recommended for soil consisting of silt and clay is a _____.
WHAT IS
sheepsfoot vibrator roller
A small, hydraulic mobile crane used primarily in industrial applications is called a _____.
WHAT IS
carry deck