Engine Problems, Symptoms and Leakage - Multiple Choice Questions and Answers

Engine Problems, Symptoms and Leakage - Multiple Choice Questions and Answers Points : problems in internal combustion engine, auto diesel, mcqs, evaluation, objective type question and answer, multiple choice questions and answer 1. Oil fouled spark plugs are an indication of worn ______.
a) Rings
b) Cylinder walls
c) Bad valve seats
d) All the above

2. With a gasoline engine. Blue gray smoke indicates _______.
a) Rich fuel mixture
b) Coolant leakage into Combustion chamber
c) Lean fuel mixture
d) Engine is burning oil

Identification of Engine Intake Leakage

Identification of Intake Leakage Points : Identification of Intake Leakage, Identification of Engine Smoking, Identification of diesel engine, exhaust smoke may be:, Identification of a gasoline engine,, exhaust smoke may be, Problems in Internal Combustion Engine Engine intake (or vacuum leaks) show up during inspection as a hissing sound, like air leaking out of a tire. Vacuum leaks are loudest at idle and temporarily quiet down as the engine is accelerated (manifold vacuum drops with engine acceleration). Very rough engine idling usually accompanies a vacuum leak.

Identification on the Engine Coolant Leakage

Identification on the Coolant Leakage Points : Identification on the Coolant Leakage, problems in internal combustion engine In come case of overheating, it has been found that hot exhaust gas is passing form the combustion chamber into the water jacket through the internal leak. This leak can be from a crack in the block or head or may be from a defective cylinder head gasket.

Identification of the Engine Oil Leakage

Identification of the Engine Oil Leakage Points : Problems in internal combustion engine, Identification of the Engine Oil Leakage, Excessive Oil Consumption, Oil Leakage (Visual), Crankcase Pressurization Oil Leaks, Oil Leakage (Visual Upon Examination, Oil Consumption, Driving Conditions, Fresh oil on any engine housing usually washes the dirt from that part has is an excellent indication that oil is leaking from that area, Washed areas on the ventilator side of the chassis usually are caused by oil being blown or sucked out of the crankcase. It is surprising how much oil can be lost through a small leak. One drop of oil every hundred feet causes an oil loss of a quart per thousand miles. Note how the center of the road is covered with oil from r external leaks and you will realize the need for checking this loss. Note that these drippings are much more dense on an upgrade, due to blow by pressure forcing the oil through defective gaskets and bearings.

Identification of Engine Troubles

Identification of Engine Troubles Points : Identification of I.C. Engine Troubles, Problems in Internal Cumbustion Engine A few common engine mechanical problems include: leaking gasket, worn piston rings, burned and leaking valves, loose or worn engine bearings, worn timing chains, and damaged (cracked broken, scored engine parts. These problem can occur after extended service (high mileage), engine overheating, lack of periodic maintenance, and other types of abuse. The symptoms (signs) that result from these types of problems include: