Which of the following does the most to ensure that the driver has brake feel at the foot valve in a truck air brake system?
A. Spring pressure
B. Metered primary circuit service pressure
C. Metered secondary circuit service pressure
D. System cut-out pressure
B. Metered primary circuit service pressure
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Find the F, P, and A values for the negative cash flows shown in the diagram.
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A service technician removed the inspection/fill plug from the differential of a rear-wheel drive vehicle and gear lube started to flow out. Technician A says that the technician should quickly replace the plug to prevent any more loss of gear lube. Technician B says to catch the fluid and allow the fluid to continue to drain. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
When drawing a PH diagram of an operating system, how is placement of the metering device line determined?
A) The metering device line starts where the condenser line crosses the temperature of the liquid line and then drops straight down until it crosses the evaporator line. B) The metering device line starts where the condenser line crosses the temperature of the liquid line and then goes straight across until it crosses the compressor line. C) The metering device line starts where the condenser line crosses the temperature of the liquid line and then drops straight down until it crosses the compressor line. D) The metering device line starts where the compressor line crosses the temperature of the liquid line and then drops straight down until it crosses the condenser line.
What specification designates a gauge with an accuracy of 3% for the first third of the scale, 2% for the middle third, and 3% for the final third of their scale?
A) 3-2-2 B) 2-3-2 C) 2-3 D) 3-2-3