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**Home⇒ Engineering⇒ Strength of materials**

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Q1 ⇒ The maximum deflection of a fixed beam carrying a central point load lies at.centre of beam[other wrong options] [Discuss in forum] fixed ends l/3 from fixed ends none of these |

Q2 ⇒ When one plate overlaps the other and the two plates are riveted together with two rows of rivets, the joint is known as.double riveted lap joint[other wrong options] [Discuss in forum] single riveted lap joint double riveted single cover butt joint double riveted double cover butt joint |

Q3 ⇒ In order to avoid tearing off the plate at an edge, the distance from the centre of the rivet hole to the nearest edge of the plate (i.e. margin) should be (where d = Diameter of rivet hole in mm)1.5 d[other wrong options] [Discuss in forum] d 2 d 2.5 d |

Q4 ⇒ When a body is subjected to a direct tensile stress (σ), the maximum normal stress is equal to the direct tensile stress.Agree[other wrong options] [Discuss in forum] Disagree Yes No |

Q5 ⇒ If the section modulus of a beam is increased, the bending stress in the beam will.decrease[other wrong options] [Discuss in forum] not change increase None of these |

Q6 ⇒ When a shaft, is subjected to torsion, the shear stress induced in the shaft varies from.zero at the centre to maximum at the circumference[other wrong options] [Discuss in forum] minimum at the centre to maximum at the circumference maximum at the centre to minimum at the circumference maximum at the centre to zero at the circumference |

Q7 ⇒ The bending moment at a section tends to bend or deflect the beam and the internal stresses resist its bending. The resistance offered by the internal stresses, to the bending, is called.bending stress[other wrong options] [Discuss in forum] compressive stress shear stress elastic modulus |

Q8 ⇒ The shear force in the centre of a simply supported beam carrying a uniformly distributed load of w per unit length, iszero[other wrong options] [Discuss in forum] wl2/2 wl2/4 wl2/8 |

Q9 ⇒ The actual neutral axis of a reinforced cement concrete beam is based on the principle that the moment of areas of compression and tension zones at the neutral axis are equal.Agree[other wrong options] [Discuss in forum] Disagree Both (a) and (b) None of these |

Q10 ⇒ A localised compressive stress at the area of contact between two members is known as.crushing stress[other wrong options] [Discuss in forum] tensile stress bending stress shear stress |

Q11 ⇒ The assumption, generally, made in the theory of simple bending is that.all of the above[other wrong options] [Discuss in forum] the beam material is perfectly homogenous and isotropic the beam material is stressed within its elastic limit the plane sections before bending remain plane after bending |

Q12 ⇒ Two shafts 'A' and 'B' are made of same material. The shaft 'A' is of diameter D and shaft 'B' is of diameter D/2. The strength of shaft 'B' is __________ as that of shaft 'A'one-eighth[other wrong options] [Discuss in forum] one-fourth one-half four times |

Q13 ⇒ The neutral axis of the cross-section a beam is that axis at which the bending stress is?zero[other wrong options] [Discuss in forum] minimum maximum infinity |

Q14 ⇒ The value of equivalent length is taken to be half of the actual length of a column with one end fixed and the other end free.Disagree[other wrong options] [Discuss in forum] Agree Both (a) and (b) None of these |

Q15 ⇒ A thin cylindrical shell of diameter (d) and thickness (t) is subjected to an internal pressure (p). The ratio of longitudinal strain to volumetric strain ism-2/5m-4[other wrong options] [Discuss in forum] m-1/2m-1 2m-1/m-1 m-2/3m-4 |

Q16 ⇒ When a rectangular beam is loaded transversely, the maximum tensile stress is developed on thetop layer[other wrong options] [Discuss in forum] bottom layer neutral axis every cross-section |

Q17 ⇒ When shear force at a point is zero, then bending moment is __________ at that point.maximum[other wrong options] [Discuss in forum] zero minimum infinity |

Q18 ⇒ The centre to centre distance, between two consecutive rivets in a row, is calledpitch[other wrong options] [Discuss in forum] margin back pitch diagonal pitch |

Q19 ⇒ A beam supported at its both ends is not a simply supported beam.False[other wrong options] [Discuss in forum] True Incorrect None of these |

Q20 ⇒ The shear force at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at the centre, iszero[other wrong options] [Discuss in forum] wl/4 wl/2 wl2/2 |

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