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memo(formerly PDF2Anki)
What information does a range diagram provide?
Boom length, radius, and elevation from the ground.
What is the minimum breaking strength of the 6x25 wire rope?
29,750 lbs.
1/25
p.1
Range Diagram Information

What information does a range diagram provide?

Boom length, radius, and elevation from the ground.

p.3
Breaking Strength of Rotation Resistant Rope

What is the minimum breaking strength of the 6x25 wire rope?

29,750 lbs.

p.1
Rope Wrap Requirements

How many wraps of rope must remain on the drum of this boom truck crane?

2 wraps.

p.2
Overhaul Ball Deductions

How many lbs. capacity deduction is required for the stowed jib when the main boom is extended to 58’?

330 lbs.

p.3
Maximum Lifting Capacities

What percentage of tipping should the main boom load ratings not exceed?

85%.

p.1
Overhaul Ball Deductions

What is the deduction for the overhaul ball?

120 lbs.

p.2
Allowable Line Pull

How many parts of line are required to lift a load of 28,350 lbs.?

3 parts.

p.3
Load Rating Charts and Calculations

What main boom length is required to lift a load of 8,000 lbs. at a radius of 20’?

48’.

p.2
Maximum Lifting Capacities

What is the maximum gross capacity of the boom truck crane?

34,000 lbs.

p.3
Maximum Lifting Capacities

What is the max. gross capacity of this boom truck crane with the 40’ jib erected?

1,940 lbs.

p.2
Maximum Lifting Capacities

What is the maximum gross capacity when lifting off of the 23-foot jib?

3,500 lbs.

p.1
Breaking Strength of Rotation Resistant Rope

What is the breaking strength of the rotation resistant rope?

29750 lbs.

p.1
Crane Hook Types

What hook does this crane come with as a standard feature?

5 ton ball.

p.2
Boom Angles and Capacities

What is the highest working main boom angle?

80 degrees.

p.3
Load Rating Charts and Calculations

What is the gross capacity of the 40’ jib mounted on a 68’ main boom at a radius of 60’?

1,060 lbs.

p.1
Maximum Lifting Capacities

What is the maximum lift capacity with one part line of RRL rope?

7400 lbs.

p.2
Overhaul Ball Deductions

What is the capacity deduction for the double sheave hook block?

350 lbs.

p.3
Load Rating Charts and Calculations

What is the gross capacity at a boom length of 68’ and a radius of 37’?

3610 lbs.

p.1
Area of Operation for Boom Truck Crane

What is the area of operation of this Boom truck crane?

360 degrees.

p.2
Breaking Strength of Rotation Resistant Rope

What is the safety factor of the rotation resistant hoist rope?

5 - 1.

p.3
Load Rating Charts and Calculations

What is the gross capacity with a boom length of 38’ and a boom angle of 57 degrees?

16010 lbs.

p.1
Boom Angles and Capacities

What is the lowest boom angle with the boom fully extended and the jib fully erected?

35 degrees.

p.2
Boom Angles and Capacities

What is the boom length in relation to the highest working main boom angle?

58 feet.

p.1
Wire Rope Specifications

How many feet of wire rope is installed on this crane?

250’, 240’, 260’, or 270’ (specific answer not provided).

p.2
Boom Angles and Capacities

What is the lowest working main boom angle with the main boom fully extended, lifting off the jib?

35 degrees.

Study Smarter, Not Harder
Study Smarter, Not Harder