61. A non-yielding support implies that the
(a) support is frictionless
(b) support can take any amount of reaction
(c) support holds member firmly
(d) slope of the beam at the support is zero
(e) none of the above.
Ans: d
62. The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be
(a) 1:2
(b) 1 : 3
(c) 1 : 4
(d) 1 : 2.5
(e) 1 : 2.25.
Ans: b
63. In a prismatic member made of two materials so joined that they deform equal¬ly under axial stress, the unit stresses in two materials are
(a) equal
(b) proportional to their respective moduli of elasticity
(c) inversely proportional to their moduli of elasticity
(d) average of the sum of moduli of elasticity
(e) none of the above.
Ans: b
64. In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the
(a) size of rivet
(b) size of the drilled or reamed hole
(c) average of size of rivet and hole
(d) smaller of the two
(e) any one of the above.
Ans: b
65. The distance between the centers of the rivets in adjacent rows of zig-zag riveted joint is known as
(a) pitch
(b) back pitch
(c) diagonal pitch
(d) diametral pitch
(e) lap.
Ans: c
66. Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunished plate in
(a) tension
(b) compression
(c) bearing
(d) any one of the above
(e) none of the above.
Ans: a
67. When two plates are butt together and riveted with cover plates with two rows of rivets, the joi;it is known as
(a) lap point
(b) butt joint
(c) single riveted single cover butt joint
(d) double riveted double cover butt joint
(e) single riveted double cover butt joint.
Ans: d
68. A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as
(a) chain riveted joint
(b) diamond riveted joint
(c) cross-cross riveted joint
(d) zig-zag riveted joint
(e) none of the above.
Ans: a
69. A riveted joint in which the number otrivets decrease from innermost to outer most row is called
(a) chain riveted joint
(b) diamond riveted joint
(c) cross-cross riveted joint
(d) zig-zag riveted joint
(e) none of the above.
Ans: b
70. If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called
(a) chain riveting
(b) zig zag riveting
(c) diamond riveting
(d) cross-cross riveting
(e) none of the above.
Ans: c
Read More Questions:
Strength of Materials - Mechanical Engineering MCQs Part1
Strength of Materials - Mechanical Engineering MCQs Part2
(a) support is frictionless
(b) support can take any amount of reaction
(c) support holds member firmly
(d) slope of the beam at the support is zero
(e) none of the above.
Ans: d
62. The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be
(a) 1:2
(b) 1 : 3
(c) 1 : 4
(d) 1 : 2.5
(e) 1 : 2.25.
Ans: b
63. In a prismatic member made of two materials so joined that they deform equal¬ly under axial stress, the unit stresses in two materials are
(a) equal
(b) proportional to their respective moduli of elasticity
(c) inversely proportional to their moduli of elasticity
(d) average of the sum of moduli of elasticity
(e) none of the above.
Ans: b
64. In riveted boiler joints, all stresses, shearing, bearing and tensile are based on the
(a) size of rivet
(b) size of the drilled or reamed hole
(c) average of size of rivet and hole
(d) smaller of the two
(e) any one of the above.
Ans: b
65. The distance between the centers of the rivets in adjacent rows of zig-zag riveted joint is known as
(a) pitch
(b) back pitch
(c) diagonal pitch
(d) diametral pitch
(e) lap.
Ans: c
66. Efficiency of a riveted joint is the ratio of its strength (max. load it can resist without failure) to the strength of the unpunished plate in
(a) tension
(b) compression
(c) bearing
(d) any one of the above
(e) none of the above.
Ans: a
67. When two plates are butt together and riveted with cover plates with two rows of rivets, the joi;it is known as
(a) lap point
(b) butt joint
(c) single riveted single cover butt joint
(d) double riveted double cover butt joint
(e) single riveted double cover butt joint.
Ans: d
68. A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as
(a) chain riveted joint
(b) diamond riveted joint
(c) cross-cross riveted joint
(d) zig-zag riveted joint
(e) none of the above.
Ans: a
69. A riveted joint in which the number otrivets decrease from innermost to outer most row is called
(a) chain riveted joint
(b) diamond riveted joint
(c) cross-cross riveted joint
(d) zig-zag riveted joint
(e) none of the above.
Ans: b
70. If the rivets in adjacent rows are staggered and the outermost row has only one rivet, the arrangement of the rivets is called
(a) chain riveting
(b) zig zag riveting
(c) diamond riveting
(d) cross-cross riveting
(e) none of the above.
Ans: c
Read More Questions:
Strength of Materials - Mechanical Engineering MCQs Part1
Strength of Materials - Mechanical Engineering MCQs Part2
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