Q.1
The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called
  • elastic limit
  • yield point
  • ultimate point
  • breaking point
Q.2
A beam supported at its both ends is not a simply supported beam.
  • True
  • False
Q.3
In a simple bending of beams, the stress in the beam varies
  • linearly
  • parabolically
  • hyperbolically
  • elliptically
Q.4
The rectangular beam 'A' has length l, width b and depth d. Another beam 'B' has the same length and depth but width is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.
  • same
  • double
  • four times
  • six times
Q.5
If the tearing efficiency of a riveted joint is 50%, then ratio of rivet hole diameter to the pitch of rivets is
  • 0.20
  • 0.30
  • 0.50
  • 0.60
Q.6
If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to (where M = Bending moment)
  • M
  • M
  • M2
  • M3
Q.7
Resilience is the
  • energy stored in a body when strained within elastic limits
  • energy stored in a body when strained upto the breaking of the specimen
  • maximum strain energy which can be stored in a body
  • none of the above
Q.8
A composite shaft consisting of two stepped portions having spring constants k1 and k2 is held between two rigid supports at the ends. Its equivalent spring constant is
  • k1+k2
  • K1+K2/2
  • K1K2/K1+K2
  • K1+K2/K1K2
Q.9
A concentrated load is one which
  • acts at a point on a beam
  • spreads non-uniformly over the whole length of a beam
  • spreads uniformly over the whole length of a beam
  • varies uniformly over the whole length of a beam
Q.10
In order to know whether a column is long or short, we must know its slenderness ratio.
  • True
  • False
Q.11
The limit of eccentricity is based upon no tension condition.
  • True
  • False
Q.12
When a bar is cooled to - 5°C, it will develop
  • no stress
  • shear stress
  • tensile stress
  • compressive stress
Q.13
The bending stress in a beam is __________ section modulus.
  • directly proportional to
  • inversely proportional to
Q.14
When shear force at a point is zero, then bending moment is __________ at that point.
  • zero
  • minimum
  • maximum
  • infinity
Q.15
In compression test, the fracture in cast iron specimen would occur along
  • the axis of load
  • an oblique plane
  • at right angles to the axis of specimen
  • would not occur
Q.16
The maximum stress produced in a bar of tapering section is at
  • smaller end
  • larger end
  • middle
  • anywhere
Q.17
The simply supported beam 'A' of length l carries a central point load W. Another beam 'B' is loaded with a uniformly distributed load such that the total load on the beam is W. The ratio of maximum deflections between beams A and B is
  • 5/8
  • 8/5
  • 5/4
  • 4/5
Q.18
The energy stored in a body when strained within elastic limit is known as
  • resilience
  • proof resilience
  • strain energy
  • impact energy
Q.19
The point of contraflexure is a point where
  • shear force changes sign
  • bending moment changes sign
  • shear force is maximum
  • bending moment is maximum
Q.20
Strain rosettes are used to
  • measure shear strain
  • measure linear strain
  • measure volumetric strain
  • relieve strain
Q.21
The torque transmitted by a solid shaft of diameter (D) is (where τ = Maximum allowable shear stress)
  • x τ x D3
  • x τ x D3
  • x τ x D3
  • x τ x D3
Q.22
When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
  • top layer
  • bottom layer
  • neutral axis
  • every cross-section
Q.23
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 is
  • (m - 1)/ (2m - 1)
  • (2m - 1)/ (m - 1)
  • (m - 2)/ (3m - 4)
  • (m - 2)/ (5m - 4)
Q.24
Two closely coiled helical springs 'A' and 'B' are equal in all respects but the number of turns of spring 'A' is half that of spring 'B' The ratio of deflections in spring 'A' to spring 'B' is
  • 1/8
  • 1/4
  • 1/2
  • 2
Q.25
The maximum diameter of the hole that can be punched from a plate of maximum shear stress 1/4th of its maximum crushing stress of punch, is equal to (where t = Thickness of the plate)
  • t
  • 2t
  • 4t
  • 8t
Q.26
The bending moment at a point on a beam is the algebraic __________ of all the moments on either side of the point.
  • sum
  • difference
Q.27
When a body is subjected to two equal and opposite pushes, as a result of which the body tends to reduce its length, the stress and strain induced is compressive.
  • True
  • False
Q.28
In order to prevent crushing of masonry at the base of the dam, the maximum stress should be __________ the permissible stress of the soil.
  • equal to
  • less than
  • more than
  • All of above
Q.29
A masonry dam may fail due to
  • tension in the masonry of the dam and its base
  • overturning of the dam
  • crushing of masonry at the base of the dam
  • any one of the above
Q.30
If the slenderness ratio for a column isthen it is said to be a __________ column.
  • long
  • medium
  • short
  • None of these
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