A Solid Is Generated by Revolving the Region Bounded by

question 118

Multiple Choice

A solid is generated by revolving the region bounded by and about the y-axis. A hole, centered along the axis of revolution, is drilled through this solid so that one-third of the volume is removed. Find the diameter of the hole. Round your answer to three decimal places.

• A) 9.238
• B) 4.619
• C) 3.893
• D) 15.07
• E) 7.787

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Definitions:

Variable Overhead Rate Variance

The difference between the actual variable overhead costs incurred and the expected costs at the standard variable overhead rate.

Standard Variable Overhead Rate

A predetermined rate used in costing to allocate variable manufacturing overhead to individual units of production based on a standard amount of an allocation base, such as direct labor hours or machine hours.

Direct Labor-hours

A measure of the amount of time spent by workers who are directly involved in the manufacturing process.

Variable Overhead Item

Costs that vary with the level of production output, such as utilities or materials, and are not fixed over the short term.