Technician A says that as much as 50% of the air needed by the engine at idle speed flows through the PCV (positive crankcase ventilation) system. Technician B says that PCV tests include the rattle test, card test, snap-back test, and crankcase vacuum test. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
B
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____________________, in which one receptacle is switched and the other is always on should be treated like switched outlets.
Fill in the blank(s) with the appropriate word(s).
The end of a rule should not be used as a reference point unless it is used with a __________ or straight block.
Fill in the blank(s) with the appropriate word(s).
Technician A says an inspection of the braking system should include the wheel assemblies. Technician B says a brake inspection includes components of the steering and suspension systems. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
What is the purpose of the zinc rod used in steel boilers?
A) It acts as a flame safety device B) It prevents corrosion by reacting with corrosive elements before they attack the boiler C) It acts as an electrical ground for safety purposes D) It cycles the burner by sensing the water temperature