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  • Question
  • Valve overlap is the number of degrees of camshaft rotation during which


  • Options
  • A. both valves are closed
  • B. both valves are open
  • C. both 'a' and 'b'
  • D. none of these

  • Correct Answer
  • both valves are open 


  • Automobile Engineering problems


    Search Results


    • 1. The PCV valve incorporates a spring loaded plunger and opens in proportion to the level of vacuum pressure in the intake manifold.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 2. The basic purpose of tyre rotation on automobiles is to

    • Options
    • A. avoid ply separation
    • B. equalize wear
    • C. get better ride
    • D. none of these
    • Discuss
    • 3. The fuel pump in the programmed fuel injection (PFI) system is located

    • Options
    • A. between the fuel-filler pipe and fuel tank
    • B. in the fuel tank
    • C. on the distributor mounting in the engine compartment
    • D. on the engine compartment bulkhead
    • Discuss
    • 4. In a square type engine

    • Options
    • A. geometrical shape is square
    • B. diameter and length of piston are same
    • C. two cylinders are placed horizontal and two vertical
    • D. stroke length and cylinder bore are same
    • Discuss
    • 5. Which of the following bulb in a car will have the least wattage?

    • Options
    • A. Head light bulb
    • B. Stop light bulb
    • C. Parking light bulb
    • D. Ignition warning bulb
    • Discuss
    • 6. The engine oil is stored in __________ when the engine is not running.

    • Options
    • A. oil pan
    • B. cylinder head
    • C. oil pump
    • D. separate oil tank
    • Discuss
    • 7. The camshaft is driven by the crankshaft via the timing belt.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 8. The basic purpose of providing caster angle on wheels is to

    • Options
    • A. prevent uneven tyre wear
    • B. maintain directional control
    • C. bring the road contact of the tyre under the point of load
    • D. compensate for wear in the steering linkage
    • Discuss
    • 9. The commonly used antifreeze solution in automobiles is

    • Options
    • A. carbon disulphide
    • B. ethylene glycol
    • C. ammonium chloride
    • D. freon-12
    • Discuss
    • 10. The indicated power of a four-stroke engine (in watts) is equal to (where P = Mean effective pressure in N/m2, L = Length of stroke in metres, A = Cross-sectional area of the piston in m2, and N = Speed of the engine in revolutions per second (r.p.s))

    • Options
    • A. P.L.A.N/2
    • B. P.L.A.N
    • C. 2 x P.L.A.N
    • D. P.L.A.N/4
    • Discuss


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