Author Question: What type of system mixes the air and fuel in the intake manifold? A) Port fuel injection B) ... (Read 68 times)

panfilo · **on:** Jun 23, 2018

What type of system mixes the air and fuel in the intake manifold?

A) Port fuel injection B) Throttle body injection
C) Both A and B D) Neither A nor B

Question 2

Which of the following is correct?

A) Many exhaust systems are tuned to reduce noise and optimize flow.
B) Exhaust manifolds must be able to slide on the cylinder head slightly as they expand due to high heat.
C) Many exhaust systems have heat shields to protect the spark plugs and wires.
D) All of these are correct.