Most secondary fuel filters should not be prefilled before installation because:
a. this will make the system hard to bleed
b. the primary filter will receive unfiltered fuel c. the injectors will run dry
d. there will be unfiltered fuel going to the high pressure fuel system
D
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In this table, OSHA uses ____ to indicate the amount and time of exposure considered permissible per eight hour work day in a 40 hour work week.
?
?
A. ?STEL B. ?TLV C. ?PEL D. ?REL
Una condición de sobrecorriente puede ser ocasionada por todos los siguientes casos SALVO:
a. corriente de sobrecarga. b. corriente de cortocircuito. c. corriente de pérdida a tierra. d. corriente de pico circulante.
How many pounds of fuel are consumed with 75 pounds of air in an engine operating with a 15:1 air:fuel ratio?
What will be an ideal response?
Most cast-iron sectional boilers are limited to use in ____ hydronic systems.
a. “bare-bones” b. packaged c. closed-loop d. distributed