A recently rebuilt engine has several burned pistons. Technician A says that pistons can burn or seize in the cylinder due to an intake manifold air leak. Technician B says that too rich an air-fuel mixture is a likely cause of this problem. Who is right?

A. Technician A only
B. ?Technician B only
C. Both A and B
D. ?Neither A nor B


Answer: A

Trades & Technology

You might also like to view...

Briefly describe the effects of a reduction of a load on the speed of a DC series motor.

What will be an ideal response?

Trades & Technology

What are the noise criteria curves?

What will be an ideal response?

Trades & Technology

The highest level of finish at which tool marks and ridges are considered acceptable is Level _____

a. Level 2 b. Level 3 c. Level 4 d. Level 5

Trades & Technology

The recovery level for Type II systems containing less than 200 pounds of R-22 refrigerant is:

A) 4" hg vacuum. B) 10" hg vacuum. C) 0 psig. D) 15" hg vacuum.

Trades & Technology