All of the Following Statements Are True EXCEPT

Multiple Choice

All of the following statements are true EXCEPT:

A) an exhaust system takes about 2 minutes to fill with smoke.
B) finding coolant leaks with smoke can be done with the cooling system drained.
C) vacuum leaks are located with the engine on and the throttle closed.
D) manifold leaks can be tested using smoke and a mirror and flashlight.