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**Home⇒ Engineering⇒ Applied mechanics**

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Q1 ⇒ A block in the shape of a parallelopiped of sides lm x 2m x 3m lies on the surface. Which of the faces gives maximum stable block ?2 m x 3 m[other wrong options] [Discuss in forum] 1 m x 2 m 1 m x 3m equally stable on all faces |

Q2 ⇒ The area under velocity-time graph givesTotal distance travelled[other wrong options] [Discuss in forum] Acceleration Velocity Speed |

Q3 ⇒ The component of a force (P) at right angles
to its direction will beZero[other wrong options] [Discuss in forum] Half Same 1.414P |

Q4 ⇒ A uniform pyramid and a uniform prism of same height lie with their base on the surface. Which is more stable ?pyramid[other wrong options] [Discuss in forum] prism both equally stable none of the above |

Q5 ⇒ The motion of the wheel of a bicycle is
known asRotary and translatory[other wrong options] [Discuss in forum] Rotary Curvilinear Translatory |

Q6 ⇒ The angle between two forces, when the
resultant is maximum and minimum
respectively are0 and 180[other wrong options] [Discuss in forum] 180 and 0 90 and 180 90 and 0 |

Q7 ⇒ Minimum potential energy of a system will be in the position ofstable equilibrium[other wrong options] [Discuss in forum] unstable equilibrium neutral equilibrium all of the above |

Q8 ⇒ In terms of work, power is defined asRate of doing work[other wrong options] [Discuss in forum] Quantity of work Capacity of doing work Rate of change of doing work |

Q9 ⇒ In actual machines mechanical advantage isLess than velocity ratio[other wrong options] [Discuss in forum] Unity Less than unity Greater than velocity ratio |

Q10 ⇒ A rigid body is in a stable equilibrium if the application of any forcecan raise the CG of the body but can not lower it[other wrong options] [Discuss in forum] tends to lower the CG of the body neither raises nor lowers the CG of the body none of above |

Q11 ⇒ An ordinate in a funicular polygon representsBetiding moment[other wrong options] [Discuss in forum] Shear force Resultant force Equilibrium |

Q12 ⇒ A structure which offers negligible or zero
resistance on bending at any point is known asCable or string[other wrong options] [Discuss in forum] Beam Girder Arch |

Q13 ⇒ Which of the following represents the state of neutral equilibrium ?none of the above[other wrong options] [Discuss in forum] a cube resting on one edge a smooth cylinder lying on a curved surface a smooth cylinder lying on a convex surface |

Q14 ⇒ The force polygon representing a set of forces
in equilibrium is aClosed polygon[other wrong options] [Discuss in forum] Triangle Open polygon Parallelogram |

Q15 ⇒ The graphical method of determining forces
in the members of truss is based onMethod of joints[other wrong options] [Discuss in forum] Method of section Both (A) and (B) None of these |

Q16 ⇒ Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis ?disc with smaller density[other wrong options] [Discuss in forum] disc with larger density both discs will have same rotational inertia none of the above |

Q17 ⇒ Angular velocity is generally represented byω[other wrong options] [Discuss in forum] π ∝ θ |

Q18 ⇒ The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is464 J[other wrong options] [Discuss in forum] 64 J 400 J 89 J |

Q19 ⇒ The distance from the axis of reference where
the whole mass or area of a body is assumed
to be concentrated is knownRadius of gyration[other wrong options] [Discuss in forum] Lever arm Moment of inertia Centre of gravity |

Q20 ⇒ A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is8TC[other wrong options] [Discuss in forum] 4 6 7i 8 |

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