How often should a typical air dryer in a linehaul truck be overhauled?

A. 300,000 miles (483,000 km) or every 3 years, whichever comes the soonest
B. 100,000 miles (160,000 km) or every year, whichever comes the soonest
C. 50,000 miles (80,000 km) or every 6-months whichever comes the soonest
D. they are service-rated for the life of the vehicle


Answer: A

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Eurostar’s nose is computer-optimized for running in the Channel Tunnel where pressure waves can affect passenger comfort. The tunnel itself is passed at a reduced speed of 1.6 × 10² km/h. Determine the length of time it takes to complete the 23 mile under-water portion of the trip from London to Paris.

What will be an ideal response?

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Which one of the following statements for the SQC instruction is NOT true?

A) The SQL and SQC instructions are used as a pair, similar to the SQO and the SQI pair for the PLC 5 and ControlLogix PLCs. B) The control file found bit (FD) in the SQC is used to indicate that a true match between the source and file stack words was verified. C) The SQC instruction can be used as a diagnostic tool to determine if a machine has the correct switch/signal bit values in a register to start a production run. D) The SQC instruction is similar to SQI for PLC 5 and ControlLogix.

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A disadvantage of PVC plastic pipe is that it _____

A) has a limited life span B) can be weakened by chemicals C) is sensitive to sunlight D) is heavy

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The list price of 1/2-inch flare nuts is 75 cents each. If the discount is 20%, what will 11 nuts cost?

A. $6.60 B. $6.70 C. $6.80 D. $6.90

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