Mineral Oil Can Be Used in Place of Mercury in Manometers

question 42

Multiple Choice

Mineral oil can be used in place of mercury in manometers when small pressure changes are to be measured. What is the pressure of an oxygen sample in mm of mineral oil if its pressure is 28.5 mm Hg? (d of mineral oil = 0.88 g/mL; d of Hg = 13.5 g/mL)

• A)1.9 mm mineral oil
• B)15 mm mineral oil
• C)32 mm mineral oil
• D)380 mm mineral oil
• E)440 mm mineral oil

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Definitions:

Marginal Product

Represents the additional output that can be produced by adding one more unit of a specific input, keeping all other inputs constant.

Isoquant

A curve that represents all the combinations of inputs that produce the same level of output in the production of goods.

Output

The total amount of goods or services produced by a company, industry, or economy.

Average Educational Level

A metric that represents the average amount of formal schooling completed by a population or specific group of people.