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    Online Quiz Test Applied Mechanics and Graphic Statics - Set 22

    Practice Test: Question Set - 22


    1. Power developed by a torque, is
      (A) 2πNT kg m/min
      (B) 2πNT/4500 h.p
      (C) 2πNT /60 watts
      (D) All the above

    2. The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is
      (A) 98 m
      (B) 490 m
      (C) 980 m
      (D) 1960 m

    3. Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of
      (A) One-half of the total height above base
      (B) One-third of the total height above base
      (C) One-fourth of the total height above base
      (D) None of these

    4. The resolved part of the resultant of two forces inclined at an angle θ in a given direction is
      (A) Algebraic sum of the resolved parts of the forces in the direction
      (B) Arithmetical sum of the resolved parts of the forces in the direction
      (C) Difference of the forces multiplied by cosine θ°
      (D) Sum of the forces multiplied by the tangent θ°

    5. Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is
      (A) 2/3
      (B) 1/5
      (C) 3/5
      (D) 1/3

    6. Equation of motion of a point in a straight line, is
      (A) v = u + ft
      (B) S = ut + ½ ft2
      (C) 2fS = v2 - u2
      (D) All the above

    7. The unit of impulse, is
      (A) kg.m/sec
      (B) kg.m/sec
      (C) kg.m/sec2
      (D) kg.m/sec

    8. The moment of inertia of a hollow circular section whose external diameter is 8 cm and internal diameter is 6 cm, about centroidal axis, is
      (A) 437.5 cm4
      (B) 337.5 cm4
      (C) 237.5 cm4
      (D) 137.5 cm4

    9. On a ladder resting on a rough ground and leaning against a smooth vertical wall, the force of friction acts
      (A) Downwards at its upper end
      (B) Upwards at its upper end
      (C) Perpendicular to the wall at its upper end
      (D) Zero at its upper end

    10. A Seconds pendulum executes
      (A) 0.5 beat per second
      (B) 1.0 beat per second
      (C) 2.0 beats per second
      (D) 2.5 beats per second

    11. A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is
      (A) 15
      (B) 18
      (C) 20
      (D) 26

    12. Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,
      (A) Dip of the cable increases
      (B) Length of the cable increases
      (C) Dip of the cable decreases
      (D) None of these

    13. If ‘α’ is the angular acceleration of a compound pendulum whose angular displacement is ‘θ’, the frequency of the motion is
      (A) 2π √(α/θ)
      (B) (1/2π) √(α/θ)
      (C) 4π √(α/θ)
      (D) 2π √(α - θ)

    14. The acceleration of a train starting from rest at any instant is 1/6(V + 1) m/sec² where ‘V’ is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of
      (A) 2000 m
      (B) 2100 m
      (C) 2200 m
      (D) 2300 m

    15. A satellite goes on moving along its orbit round the earth due to
      (A) Gravitational force
      (B) Centrifugal force
      (C) Centripetal force
      (D) None of these

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    Item Reviewed: Online Quiz Test Applied Mechanics and Graphic Statics - Set 22 Rating: 5 Reviewed By: Pranab Debnath
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