Why Is It That in Cold Winters a Tub of Water

question 73

Multiple Choice

Why is it that in cold winters a tub of water placed in a farmer's canning cellar helps prevent canned food from freezing?

• A)As long as the water remains in the liquid phase, evaporation will give off heat to the cellar.
• B)If the canned goods are in the tub of water, molecular interactions will keep them from freezing.
• C)The cold in the cellar is consumed by freezing the water, not the canned goods.
• D)The continual release of energy by the freezing water keeps the temperature of the cellar from going below 0°C.

Explain the relationship between gears and the movement they produce.

Understand the calculations related to gear dimensions and design parameters.

Distinguish between the various measurements and technical aspects of gear systems.

Understand the fundamental concepts and terminology related to gears.

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Definitions:

Income Summary

An account used in the closing process that aggregates all income and expense accounts to determine the net profit or loss.

Net Income

The total profit of a business after all expenses and taxes have been deducted from total revenue.

Owner's Capital

The amount of equity a business owner has invested in the business minus any withdrawals made from the business by the owner.

Cash Balance

The amount of cash a company has available, reflecting the total amount of cash and cash equivalents at a given point in time.