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Day 14 - Mechanics

Quiz by Technos Technical Coaching

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50 questions
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  • Q1
    Mechanical advantage
    W/P
    P/W
    P x W
    None of these
    40s
  • Q2
    A fly wheel serves as a reservoir and restore energy by virtue of its
    Rotation
    Inertia
    Momentum
    Weight
    40s
  • Q3
    The material which have the same elastic oproperties in all direction are called
    Hard material
    Homogeneous material
    Isotropic Material
    Brittle material
    40s
  • Q4
    Torque is
    Pulling force
    Twisting force
    Compressive force
    None of these
    40s
  • Q5
    At ground level the potential energy of a body is
    Infinity
    None of these
    Zero
    minimum
    40s
  • Q6
    Modulus of rigidity is defined as
    None of these
    Shear strain / shear stress
    Normal stress / shear strain
    Shear stress/shear strain
    40s
  • Q7
    If the efficiency of a lifting machine is kept constant the vekocity ratio is directly proportional to its
    Machine friction
    All of these
    Effort applied
    Mechanical advantage
    40s
  • Q8
    The energy possessed by a liquid particle by virtue of its position is called
    Mechanical enegy
    Potential energy
    Kinetic energy
    Pressure energy
    40s
  • Q9
    Centre of gravity of hemisphere from the base is
    2/3r
    2/8r
    4/8r
    3/8r
    40s
  • Q10
    The rate of change of position of particle is called
    Displacement of particle
    Acceleration of particle
    Speed of particle
    Velocity of particle
    40s
  • Q11
    Joule is the unit of
    Power
    Energy
    Force
    None of these
    40s
  • Q12
    The force of buoyancy is …...the weight oif the liquid displaced by the body
    Less than
    More than
    Equal to
    None of these
    40s
  • Q13
    Mathematically weight of a body is
    Mass x acceleration
    Mass x acceleration due to gravity
    Mass x velocity
    Inertia x momentum
    40s
  • Q14
    Acceleration of a particle is
    the rate of change of velocity
    The relative velocity of particle
    Resultant velocity of the particle
    Rectilinear motion of the particle
    40s
  • Q15
    The friction experienced by a body when it is in motion is called
    Static friction
    Rolling friction
    Limiting friction
    Dynamic friction
    40s

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