Cylinder heads with four valves flow more air than those with two ...

[jjjetplane]

Cylinder heads with four valves flow more air than those with two valves because they ________.
 
  A) Have a greater open area B) Use a higher lift camshaft
  C) Increase the velocity of the air D) Both A and C

Question 2

Magnetic crack inspection ________.
 
  A) Uses a fine iron powder to detect cracks in iron parts
  B) Uses a black light to detect cracks in iron parts
  C) Uses a red dye to detect cracks in aluminum
  D) Uses a magnet to remove cracks from iron parts

[stano32]

Answer to Question 1

D

Answer to Question 2

A

[jjjetplane]

Thank you

[stano32]

No problem