FIGURE 15-3 -The U-Tube Shown in Figure 15-3 Contains Mercury with a Mercury

question 71

Multiple Choice

FIGURE 15-3
-The U-tube shown in Figure 15-3 contains mercury with a density of 13,600 kg/m³. It is open on one end and the other end is connected to a boiler, which contains water at high pressure. The water from the boiler pushes directly on the mercury column. What is the gauge pressure at point A in the boiler?

• A) 4.54 kPa
• B) 4.41 kPa
• C) 128 Pa
• D) 441 Pa
• E) 449 Pa

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Definitions:

Sociological Research

The study of society and social behavior by examining the groups, cultures, organizations, social institutions, and processes that people develop.

Survey Research

A method of collecting data and information from a sample of individuals by means of questionnaires or interviews.

Unreliability

The characteristic of being not reliable or dependable, often resulting in unpredictability and inconsistency.

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The act of recording less than the actual number or amount, often referring to the miscounting of populations in censuses or surveys.