A Rectangular Tank Has Width $3 \mathrm { ft }$ , Height

question 150

Multiple Choice

A rectangular tank has width $3 \mathrm { ft }$ , height $2 \mathrm { ft }$ , and length $7 \mathrm { ft }$ . It is filled with equal volumes of water and oil. The oil has a weight density of $50 \mathrm { lb } / \mathrm { ft } ^ { 3 }$ and floats on the water. Find the force exerted by the mixture on one end of the tank. (The weight density of water is $62.4 \mathrm { lb } / \mathrm { ft } ^ { 3 }$ .)

• A) \(319 \mathrm { lb }\)
• B) \(356 \mathrm { lb }\)
• C) \(337 \mathrm { lb }\)
• D) \(169 \mathrm { lb }\)

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Definitions:

Labor Efficiency Variance

The difference between the actual hours worked and the standard hours expected, multiplied by the standard labor rate, highlighting efficiency in labor.

Standard Direct Labor

The predetermined cost of labor that is directly involved in the production of goods.

Standard Rate

A predetermined cost or price that is used for calculating variances, budgeting, or setting product prices.

Variable Overhead

The portion of overhead costs that varies directly with production volume.