Monday, November 26, 2018

Questions and Answers Section 11

Questions and Answers


  • 1.The rating of C.I. engine fuel (Diesel) is given by

    cetane number 


  • 2.In bias ply tyres

    one ply layer runs diagonally one way and another layer runs diagonally the other way



  • 3.The boiling point of Diesel fuel is in the range of

    180°C to 360 °C


  • 4.The braking control type traction control system (TCS) generally operates in the speed range of

    less than 40 kmph


  • 5.If the spark plug deposit indicates black coating of soot, it indicates that the engine has been generally operating on

    too rich mixture.


  • 6.The two rows of cylinders in a 'V' type engine are generally arranged at

    60°


  • 7.The crescent-shaped cavity on the piston head top surface is called as

    valve recess


  • 8.The octane rating of petrol commercially available is 

    85-95

    Note:-a figure indicating the anti-knock properties of a fuel, based on a comparison with a mixture of isooctane and heptane.


  • 9.The stroke of an engine is the

    Distance between T.D.C. and B.D.C.


  • 10.The function of a second ring is that it is a

    compression ring and aids the top ring in sealing and cooling.

    Note:-However, they also play an important part in controlling engine oil consumption.

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