When there are several timers that meet the requirements of a given application, it is advisable to select the timer with the ____.

a. smallest number of operating parts
b. lowest cost
c. best reputation
d. best support contract


a. smallest number of operating parts

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What does the PE in PE ratio stand for? 

A. Profit, estimate B. Price, estimate C. Profit, earnings D. Price, earnings

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The condenser water pump is the device that moves the water through the condenser and cooling tower circuit.

Answer the following statement true (T) or false (F)

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Which of the following will cause pulsation in the brake pedal when the brakes are applied?

A. Loose lining B. Grease on linings C. Out-of-round drum D. All of the above

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What is the total system charge for a system with a factory charge of 56 oz of R-410A, an assumed length of 15 ft, and a 3/8 in liquid line that is 35 ft long?

A) 56 oz + 12 oz = 68 ounces B) (35 - 15 ) × 0.6 = 12 ounces C) 56 ounces D) 56 oz + 21 oz = 77 ounces

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