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- Question
The function of a first compression ring (top ring) is that it
Options- A. increases the combustion temperature
- B. creates swirl
- C. maintains a seal and prevents the fuel leakage
- D. maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber
- Correct Answer
- maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber
- 1. The function of oil-control rings is that it
Options- A. lubricates the cylinder wall by releasing oil from its hole
- B. keeps the cylinder wall lubricated by holding oil in its channel
- C. prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
- D. maintains a seal and prevents escape of burned gases and oil leakage Discuss
- 2. The purpose of turning radius gauges is to measure the
Options- A. contact areas of the tyres
- B. free play of the steering wheel
- C. turning radius of the left and right wheels
- D. difference in the toe angles of the left and right wheels Discuss
- 3. The piston compression rings are made of
Options- A. cast iron
- B. steel
- C. aluminium
- D. bronze Discuss
- 4. The calorific value of Diesel is about
Options- A. 36.5 MJ/kg
- B. 38.5 MJ/kg
- C. 42.5 MJ/kg
- D. 45.5 MJ/kg Discuss
- 5. The braking control type traction control system (TCS) generally operates in the speed range of
Options- A. less than 20 kmph
- B. less than 40 kmph
- C. less than 60 kmph
- D. more than 60 kmph Discuss
- 6. The number of exhaust manifolds in a V-6 engine are
Options- A. one
- B. two
- C. four
- D. eight Discuss
- 7. During braking, the brake shoe is moved outward to force the lining against the
Options- A. wheel piston or cylinder
- B. anchor pin
- C. brake drum
- D. wheel rim or axle Discuss
- 8. The size of engine cylinder is referred in terms of its
Options- A. diameter and bore
- B. displacement and efficiency
- C. bore and stroke
- D. bore and length Discuss
- 9. If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on
Options- A. too lean mixture
- B. stoichiometric mixture
- C. most economical mixture
- D. too rich mixture Discuss
- 10. The boiling point of Diesel fuel is in the range of
Options- A. 70°C to 100°C
- B. 100°C to 120°C
- C. 120°C to 180°C
- D. 180°C to 360 °C Discuss
Automobile Engineering problems
Search Results
Correct Answer: prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
Correct Answer: turning radius of the left and right wheels
Correct Answer: cast iron
Correct Answer: 42.5 MJ/kg
Correct Answer: less than 40 kmph
Correct Answer: two
Correct Answer: brake drum
Correct Answer: bore and stroke
Correct Answer: too rich mixture
Correct Answer: 180°C to 360 °C
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