Some Properties of Glass Are Listed Here

question 19

Multiple Choice

Some properties of glass are listed here.


A glass window pane is 2.7 m high, 2.4 m wide, and 2.0 mm thick. The temperature at the inner surface of the glass is 22°C and at the outer surface 4.0°C. How much heat is lost each hour through the window under steady state conditions?

• A) 1.7 × 10⁸ J
• B) 1.7 × 10⁵ J
• C) 4.7 × 10⁴ J
• D) 4.7 × 10¹ J
• E) 1.7 × 10⁶ J

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Definitions:

Indirect Labor

Wages paid to employees who are not directly involved in production, but support the manufacturing process.

Production Department

A specific area or segment of a manufacturing company responsible for the actual production of goods.

Weighted Average Method

The weighted average method calculates the cost of inventory based on the average cost of all similar items in inventory, adjusted for the quantity of items.

Direct Labor

Labor costs associated with employees who are directly involved in the manufacturing process of a product.