Which characteristic automatically categorizes a crane operation as a critical lift?

a. The load is nearly 75 percent of the crane’s load-chart capacity.
b. The operation involves a multi-crane lift.
c. The crane must travel with the load.
d. High-voltage power lines cross the facility involved in the lifting operation.


b. The operation involves a multi-crane lift.

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Which of the following types of engine brake uses hydraulic retarding?

A. Jacobs internal brakes B. Mack Trucks Dynatard C. Caterpillar BrakeSaver D. PacBrake

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How can we help reduce environmental damage to forestland?

What will be an ideal response?

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Dimensions needed to calculate the volume of concrete needed for a job are found in the _____

a. building codes b. construction drawings c. materials lists d. job specifications

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The switching valves on the AIR pump have failed several times. Technician A says that a defective exhaust check valve could be the cause. Technician B says that a restricted exhaust system could be the cause. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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