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Strength of Materials - Civil Engineering - section-1
  1. Which of the following is a vector quantity

    2. A.

     energy
    B.

     mass
    C.

     momentum
    D.

     angle

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  2. Which of the following is not a vector quantity

    3. A.

     weight
    B.

     velocity
    C.

     acceleration
    D.

     force

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  3. Effect of a force on a body depends upon

    4. A.

     magnitude
    B.

     direction
    C.

     position or line of action
    D.

     all of the above

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  4. Kinetic friction is the

    5. A.

     Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction
    B.

     Ratio of limiting friction and normal reaction
    C.

     The friction force acting when the body is just about to move
    D.

     The friction force acting when the body is in motion

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  5. According to principle of transmissibility of forces, the effect of a force upon a body is

    6. A.

     Maximum when it acts at the center of gravity of a body
    B.

     Different at different points in its line of action
    C.

     The same at every point in its line of action
    D.

     Minimum when it acts at the C.G. of the body

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  6. The C.G. of a solid hemisphere lies on the central radius 3r

    7. A.

     at distance — from the plane base 3r
    B.

     at distance — from the plane base 3r
    C.

     at distance — from the plane base 3r
    D.

     at distance — from the plane base or

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  7. D Alembert’s principle is used for

    8. A.

     reducing the problem of kinetics to equivalent statics problem
    B.

     determining stresses in the truss
    C.

     stability of floating bodies
    D.

     designing safe structures

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  8. Tangent of angle of friction is equal to

    9. A.

     kinetic friction
    B.

     limiting friction
    C.

     angle of repose
    D.

     coefficient of friction

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  9. A force is completely defined when we specify

    10. A.

     magnitude
    B.

     direction
    C.

     point of application
    D.

     all of the above

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  10. A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve

    11. A.

     catenary
    B.

     parabola
    C.

     hyperbola
    D.

     elliptical

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