boom capacities and load charts Flashcards
A modern-day, boom-equipped truck operates on the same principle as the basic ?
lever
A modern-day, boom-equipped truck is a labor saving device because ?
requires fewer workers to perform a given task
The Archimedes Principle states that the weight of an object will increase in proportion to the distance that it moves from the fulcrum point.
false
The load charts for a bucket truck should be located ?
at the boom tip
The way the truck is set up prior to using the boom will not affect the load capacity of the boom during normal operation.
false
The boom must not be operated if the truck is at an incline of more than ?
5 degrees
The total weight of the load is equal to the weight of the object being lifted.
false
The purpose of the hydraulic overload protection (HOP) system is to protect the unit from ?
structural overload
As the radius of the boom changes, so does its capacity.
true
When calculating loads to be moved with a jib, it is necessary to check both the jib capacity chart and the main boom chart.
true
There are ? basic types of pin plates used in jib positioning.
3
A material-handling jib can always be used to hang a transformer.
false
The lower boom angle of a double bucket must be at least 15° above horizontal or less than ? above horizontal before the upper jib boom can be used to hang a small transformer.
90 degrees