logo

CuriousTab

CuriousTab

Discussion


Home Mechanical Engineering Automobile Engineering Comments

  • Question
  • It is necessary to maintain the valve clearances as they


  • Options
  • A. reduce the resistance to sliding that occurs between the cam and the tappet
  • B. allow for lengthening of the valves owing to the heat of combustion
  • C. increase the speed at which the valves move up and down
  • D. make the crankshaft turn smoothly

  • Correct Answer
  • allow for lengthening of the valves owing to the heat of combustion 


  • Automobile Engineering problems


    Search Results


    • 1. The valve overlap in four stroke petrol engines is approximately

    • Options
    • A. 30°
    • B. 60°
    • C. 90°
    • D. 120°
    • Discuss
    • 2. The flywheel and the pressure plate bind the clutch disc between them so that the engine and the transmission can be engaged.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 3. What type of bearing is used for main bearings and connecting rod bearings?

    • Options
    • A. Ballbearings
    • B. Plain bearings
    • C. Needle roller bearing
    • D. Taper roller bearing
    • Discuss
    • 4. The co-efficient of rolling resistance for a truck weighing 63 500 N is 0.018. The rolling resistance to the truck is

    • Options
    • A. 1.143 N
    • B. 11.43 N
    • C. 114.3 N
    • D. 1143 N
    • Discuss
    • 5. The natural gas is compressed in a CNG cylinder at a pressure of

    • Options
    • A. 200 bar
    • B. 220 bar
    • C. 250 bar
    • D. 300 bar
    • Discuss
    • 6. The torque available at the contact between driving wheels and road is known as

    • Options
    • A. brake effort
    • B. tractive effort
    • C. clutch effort
    • D. none of these
    • Discuss
    • 7. The effect of having excess camber is

    • Options
    • A. excessive steering alignment torque
    • B. hard steering
    • C. too much traction
    • D. uneven tyre wear
    • Discuss
    • 8. The main function of intake manifold is that it

    • Options
    • A. promotes the mixture of air and fuel
    • B. reduces intake noise
    • C. cools the intake air to a suitable temperature
    • D. distributes intake air equally to the cylinders
    • Discuss
    • 9. The most commonly used supplementary restraint system (SRS) component is

    • Options
    • A. seat belt
    • B. brake
    • C. airbag
    • D. steering
    • Discuss
    • 10. A baffle plate is fitted inside the oil pan to prevent the oil from splashing when it is subjected to vibration and other movement during vehicle operation.

    • Options
    • A. True
    • B. False
    • Discuss


    Comments

    There are no comments.

Enter a new Comment