According to Most Car Mechanics,plain Water Is the Best Coolant

question 73

Multiple Choice

According to most car mechanics,plain water is the best coolant to use in an engine provided the engine is not being exposed to freezing temperatures.If the car is subject to freezing temperatures then a mixture of water and ethylene glycol (antifreeze) is recommended but it does not cool as efficiently as plain water.Why would ethylene glycol reduce the cooling efficiency of water?

• A)Ethylene glycol has a lower heat capacity than water.
• B)Ethylene glycol has a higher heat capacity than water.
• C)Hydrogen bonds in water allow high levels of heat absorption and a large increase in temperature.
• D)Ethylene glycol raises the freezing point of water.

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Definitions:

Equity Method

An accounting technique used by firms to assess the profits earned by their investments in other companies.

Intra-entity Gross Profit

The profit recognized on transactions conducted within the same entity, not realized in consolidated financial statements until the transactions affect an external party.

January 1 Retained Earnings

The amount of earnings retained in a company as of the beginning of the fiscal year, not distributed to shareholders in the form of dividends.

Equity Method

An accounting technique used by firms to assess the profits earned by their investments in other companies by reporting these profits as income.