Carry-Deck Crane Practice Test

Which statement best describes the relationship between Net Capacity and Gross Capacity?

Net Capacity is greater than Gross Capacity. Net Capacity equals Gross Capacity minus Deductions. Net Capacity is independent of Deductions. Net Capacity is the sum of Gross Capacity and Deductions.

Correct Answer:

Net Capacity equals Gross Capacity minus Deductions.

Explanation:

Net capacity represents the usable lifting capacity after accounting for the weight of attachments and other deductions that reduce what the crane can actually lift. Gross capacity is the maximum load the crane could lift in that configuration before those deductions. Deductions include the weight of the hook block, slings, rigging, and any other attached equipment, plus any required safety allowances. So you subtract these deductions from the gross rating to get the net capacity. That’s why the statement describing net capacity as gross capacity minus deductions is the correct one. Net capacity cannot exceed gross, it depends on deductions, and it is not the sum of gross capacity and deductions.

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