Under What Circumstances Would the By-Pass Valve Open to Let

Q13: The _ is the area at the

Q14: The by-pass valve on most passenger car

Q15: Oil normally thins out when heated.

Q16: What factors should you bear in mind

Q17: List five additives found in engine oil.

Q19: All of the following are parts of

Q20: Which of the following is LEAST-Likely to

Q21: The ability to resist change in viscosity

Q22: Which of the following is LEAST-Likely to

Q23: The organization that is MOST-Likely to decide