Elevator Mechanic Practice Exam

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How do you calculate the total lifting capacity of a dumbwaiter given specific dimensions and capacity per cubic foot?

  1. Multiply the area and height by the capacity per cubic foot

  2. Multiply the height by the capacity per cubic foot only

  3. Sum the area, height, and capacity per cubic foot

  4. Sum the area and height, then multiply by the capacity per cubic foot

The correct answer is: Multiply the area and height by the capacity per cubic foot

The correct approach to calculate the total lifting capacity of a dumbwaiter involves understanding the relationship between volume and capacity. By multiplying the area of the base by the height, you find the total volume of the dumbwaiter in cubic feet. This volume can then be multiplied by the capacity per cubic foot to derive the total lifting capacity. This method ensures you accurately account for the three-dimensional space the dumbwaiter occupies, leading to a precise calculation of its lifting capacity. Thus, multiplying the area and height by the capacity per cubic foot provides a comprehensive answer to the question posed.

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