Each of the following must be taken into consideration when selecting a valve except _____.

a. system pressure
b. operating temperature
c. the total number of valves in the system
d. cost


c. the total number of valves in the system

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To subtract fractions, first express the fractions as equivalent fractions having the ____________________.

Fill in the blank(s) with the appropriate word(s).

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?At low amperages and high voltage settings the wire may___________.

A. ?stick to the weld and have to be cut or pulled loose B. ?pop violently as a result of the uncontrolled arc C. ?not reach the weld D. ?need to be changed to a larger diameter

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The MEP value of a 280 in^3 engine operating at 4000 RPM is 155 psi. The brake horsepower at this engine speed is measured to be only 149 bhp. Determine the mechanical efficiency to the nearest tenth of a percent

What will be an ideal response?

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In which system does less refrigerant enter the cylinder for each compression cycle, requiring more horsepower for each BTU of cooling?

A) A low-condenser-temperature system B) A low-evaporator-temperature system C) A high-evaporator-temperature system D) A high-condenser-temperature system

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