The difference between system overshoot and system lag is called ____.

A. room temperature
B. temperature rise
C. temperature swing
D. room swing


Answer: C

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Refer to the figure below. On an HCFC-22 system, liquid line pressure is 202 psig (1,393 kPa) and the measured liquid line temperature is 100°F (37.8°C). The subcooling is _____.



a. 1°F (0.6°C)
b. 2°F (1.1°C)
c. 4°F (2.2°C)
d. 8°F (4.4°C)

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Discuss the impact of the Green Revolution

What will be an ideal response?

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The Supreme Court began to advance the cause of civil rights in the 1950s because

A. the Court was the only branch of government with the constitutional authority to do so. B. the courts were dominated by New Deal liberals. C. President Eisenhower had requested the Court's assistance. D. Congress and the presidency had largely abdicated their responsibilities by keeping hands off the issue. E. the Constitution clearly prohibited any segregation.

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What tool or tools are used to check for warpage on the mating surface of the cylinder head?

A. dial indicator and V-blocks B. straight edge and feeler gauge C. depth micrometer and feeler gauge D. straight edge and dial indicator

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