Two technicians are discussing the metering valve in a front-disc, rear-drum braking system. Technician A says the metering valve delays application of the front brakes. Technician B says the metering valve delays the application of the rear brakes. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician


A

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_____ are most often found in the desert

a. Minks b. Red Squirrels c. Bobcats d. Javelinas

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Which of the following would you NOT expect to increase the total number of moles of C?

The reaction A + B ? C occurs in the vapor phase. It is an exothermic reaction. It is beneficial to carry out the reaction in the presence of liquid water, because C is somewhat soluble in water while A and B are effectively insoluble. The Henry’s Law constant for C in water increases as the temperature increases. We are interested in maximizing the total number of moles of C in the system, regardless of whether the C is in the liquid or vapor phase.

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The driver of a care presses the brake pedal. The lever-action of the pedal, along with the brake booster, translate this force into 110 pounds of force on the master cylinder. If the piston in the master cylinder has a bore of 0.600 inches, how much pressure is created in the brake system?

What will be an ideal response?

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The reversing valve on most air-source residential heat pumps is energized:

A) During the defrost cycle. B) During the heating cycle. C) During the cooling cycle. D) During the cooling and the defrost cycles.

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