When performing an EGR system test on a vacuum operated EGR valve, how much should intake manifold vacuum decrease when the EGR valve is opened at fast idle?
A) 14.7 PSI B) 6-8 PSI C) 6-8 in. Hg. D) 1-2 in. Hg.
C
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Draw each note shown in Figure 2–12. Print or plot your drawing.
Follow the specific instructions to complete each problem. What will be an ideal response?
A ______________ is a cancer-causing agent.
Fill in the blank(s) with the appropriate word(s).
Romex is a trade name used by electricians to refer to __________.
a. armored cable b. metal-clad cable c. underground feeder cable d. nonmetallic sheathed cable
When a flexible metal chimney liner is used, the _____
a. liner must always be insulated with transite b. liner may need to be a larger diameter than the correct size of smooth, rigid pipe c. liner can be sized in the same way as solid metal vents d. furnace must always be common-vented with the water heater