The air at high altitude has ________. A) Higher pressure B) ...

[melina_rosy]

The air at high altitude has ________.
 
  A) Higher pressure B) 21 oxygen
  C) Higher density D) Less than 21 oxygen

Question 2

When performing a cylinder leakage test, the following statements are all correct EXCEPT ________.
 
  A) Air heard escaping through the tailpipe may indicate a defective exhaust valve
  B) Bubbles in the coolant may indicate a defective head gasket
  C) Shop air should be applied to the dipstick tube
  D) Shop air should be applied through the spark plug hole

[af]

Answer to Question 1

B

Answer to Question 2

C

[melina_rosy]

Excellent

[mjenn52]

TYSM