When starting up a hot-water boiler, treated water is used to fill the _____.

a. boiler, piping system, and terminals
b. boiler to its normal water line
c. boiler below its normal water line
d. boiler to overflowing


a. boiler, piping system, and terminals

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What is 13-5/8 minus 6?

a. 17/32 b. 4-7/8 c. 7-7/8 d. 7-5/8

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Which of the following has the most influence on the power output of a diesel engine?

A. turbocharger boost pressure B. air flow through intake plenum C. injected fuel quantity D. atomized droplet sizing

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Technician A says that it is common for Caterpillar HEUI fuel systems to use a centrifugal type fuel transfer pump. Technician B says that a double-acting fuel subsystem transfer pump moves fuel on the push and pull strokes. Who is correct??

A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B

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When the current flows from the N-type toward the P-type material, the diode is said to have a ____ bias.

A. forward B. reverse C. maximum D. minimum

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