What is a major advantage of a valve rotator?
A. sharper interference angle may be used
B. reduce carbon buildup on seat
C. lower tension valve springs can be used
D. exhaust valves run cooler
Answer: B
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Compare and contrast the reptiles and amphibians that were discussed in Chapters 19 and 20. How are
they similar? How are they different?
What will be an ideal response?With the entering air to the condenser above 70ºF, the temperature difference between the outdoor air and the condensing temperature on standard units will be ____.
A. 10°F to 15°F B. 15°F to 20°F C. 20°F to 25°F D. 25°F to 30°F
Three types of takeoff fittings available for sheet metal duct include
A) Adhesive backed flanges, weld on stubs, trunk ducts with knock-outs B) Dovetail, Spin-in, Adhesive backed flange C) Weld on stubs, pre-formed stubs, spin-in D) Dovetail, welded on stub, trunks with pre-formed stubs
The proper order in which to perform a four-wheel alignment is ________
A) Rear camber and toe, front camber, caster, then front toe B) Rear camber, front camber, caster, front toe, rear toe C) Front camber, caster toe, rear camber, then rear toe D) Front toe, camber, front caster, rear camber, then rear caster