Technician A says that injector nozzles are either opened by the high-pressure pulse from a distributor pump or electrically by the computer on a common rail design. Technician B says that indirect injection (IDI) occurs directly into the combustion chamber. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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When there is a low-hazard risk of back siphonage in hoses attached to a photograph-developing sink or a dairy barn, some codes require the installation of a _____.
a. dual-check valve backflow preventer b. hose-connection vacuum breaker c. backflow preventer with intermediate atmospheric vents d. double-check valve assembly
?The rpm of the turbine increases about _______for every 1000-foot increase in altitude.
What will be an ideal response?
Plants with low C:N ratios decay rapidly
Indicate whether the statement is true or false
The filler metal alloys that are used in roughly 85 percent of aluminum welds are _____
a. ER4043 and ER4145 b. ER4043 and ER5356 c. ER4145 and ER5356 d. ER5183 and ER5554