Overhead Crane Study Guide Exam And Actual Answers.
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NYS Tow Truck Endorsement
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NYS Tow Truck Endorsement
what are the rails that are attached to the building columns on either side of the bay? - Answer runways
what is it called when the girders are not perpendicular to the runway rails? - Answer skewing
what is the use of reverse motor power to stop a forward moving load? - Answer plugg...
Overhead Crane Study Guide Exam And
Actual Answers.
what are the rails that are attached to the building columns on either side of the bay? - Answer
runways
what is it called when the girders are not perpendicular to the runway rails? - Answer skewing
what is the use of reverse motor power to stop a forward moving load? - Answer plugging
what is the term used to indicate very short movement? - Answer inching
what are the power cables that are hung in drape curves on the crane called? - Answer festoon
what kind of braking uses Eddy current braking? - Answer dynamic
what kind of brakes are applied mechanically when the hoist is not powered? - Answer electrical
what kind of a brake uses foot pressire on a pedal? - Answer mechanical
what are the 3 types of crane braking? - Answer mechanical, electrical, dynamic
what is located on both sides of the bridge and trolley to prevent over travel? - Answer bumpers
how many wraps must be on a drum when the load block is at its lowest position? - Answer 2 wraps
what are the girders that are connected on each side of the bay that sits on the runway called? - Answer
the bridge
, ANSI standard for overhead cranes? - Answer B30.2
what should be done before lifting the load? - Answer determine the weight of the load
A hoist limit switch is triggered when the block contacts and raises the weight, what is suspended from
the counterweighted limit switch? - Answer the weighted switch
when should limit switches be checked? - Answer the beginning of each shift
operating the trolley over long distnaces with intermediate speeds may do what? - Answer heat up the
motor
whenever possible you should keep one hand on what? - Answer the hoist
If you accelerate and stop gradually what does this avoid? - Answer excessive draft
on a three light system, what does the RED light indicate? - Answer 1. Crane is not to be moved under
any circumstances
2. Crane is not manned
3. Crane is out of service
on a three light system, what does the GREEN light mean? - Answer 1. Crane is operational
2. Crane is manned
3. Operator must be in cab
What is the working range for a radio reception? - Answer 120 to 160 ft
what kind of service operates at LESS than 85% of the rated load with no more than 10 lifts an hour? -
Answer normal service
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