BCACS Crane Core Theory Exam Figures Booklet

March 2011

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Figure 1 - CHAIN SLINGS

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Figure 1 - NYLON WEB SLINGS

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Figure 1 - WIRE ROPE SLINGS

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Figure 1 - EYE BOLTS

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Figure 2

Weights of Materials (All weights are approximate)

ALUMINUM 165 lbs./cu.ft. ALUMINUM (1’ x 1’ x 1”) 13.5 lbs. ASPHALT AND TAR 80 lbs./cu.ft. BRICKS – COMMON 121 lbs./cu.ft. CONCRETE 4,050 lbs./cu.yd. CONCRETE 150 lbs./cu.ft. CONCRETE BLOCK 52-84 lbs./cu.ft. CONCRETE BLOCK 4” 24 lbs. apiece CONCRETE BLOCK 6” 35 lbs. apiece CRUSHED ROCK 2,550 lbs./cu.yd. CRUSHED ROCK 95 lbs./cu.ft. DRYWALL 52 lbs./cu.ft. DRYWALL (4’ x 8’ x ½”) 55 lbs. EARTH – DRY 2,050 lbs./cu.yd. EARTH – DRY 75 lbs./cu.ft. MORTAR 100 lbs./cu.ft. PIPE-STEEL – SCHEDULE 40 1” I.D. 1.7 lbs./ft. 2” I.D. 3.7 lbs./ft. 3” I.D. 7.6 lbs./ft. 4” I.D. 10.8 lbs./ft. PORTLAND CEMENT – LOOSE 94 lbs./cu.ft. SAND 3,250 lbs./cu.yd. SAND 120 lbs./cu.ft. STEEL 490 lbs./cu.ft. STEEL (1’ x 1’ x 1”) 40 lbs. WATER 62 lbs./cu.ft. WOOD – DRY HARDWOOD 40 lbs./cu.ft. WOOD – DRY SOFTWOOD 30 lbs./cu.ft. WOOD – WET 50 lbs./cu.ft.

ROUND STEEL BARS AND RODS

Diameter (inches)

Weight (lbs.) Per Ft.

of Length 3/16 .1 1/4 .2 5/16 .3 3/8 .4 7/16 .5 1/2 .6 9/16 .8 5/8 1.0 3/4 1.5 7/8 2.0 1 2.7

11/8 3.4 13/16 3.8 11/4 4.2 13/8 5.1 11/2 6.0 15/8 7.1 13/4 8.2 17/8 9.4 2 10.7

21/8 12.1 21/4 13.5 23/8 15.1 21/2 16.7 25/8 18.4 23/4 20.2 27/8 22.1 3 24.0

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