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Home⇒ Engineering⇒
Strength of materials
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q21 ⇒ If a constant section beam is subjected to a uniform bending moment throughout, its length bends to. a circular arc [other wrong options] [Discuss in forum] a parabolic arc a catenary none of these. |
Q22 ⇒ In a three hinged arch, the shear force is usually maximum at springings [other wrong options] [Discuss in forum] maximum at crown maximum at quarter points varies with slope. |
Q23 ⇒ The isothermal bulk modulus of a perfect gas
at atmospheric pressure is 1.03 x 105 N/m2 [other wrong options] [Discuss in forum] 1.03 x 106 N/m2 103x 1010 N/m2 1.03 x 1011 N/m2 |
Q24 ⇒ A steel rod of 2 cm diameter and 5 metres long is subjected to an axial pull of 3000 kg. IfE = 2.1 x 106, the elongation of the rod will be. 0.2275 mm [other wrong options] [Discuss in forum] 2.275 mm 0.02275 mm 2.02275 mm. |
Q25 ⇒ For structural analysis of forces, the method refers to. moment-area-theorem [other wrong options] [Discuss in forum] three-moment equation Maxwell's reciprocal theorem none of these. |
Q26 ⇒ The unit of stress in S. I. units is N/mm2 [other wrong options] [Discuss in forum] kg/cm2 kg/mm2 N/cm2 |
Q27 ⇒ The stress at which extension of a material takes place more quickly as compared to the increase in load, is called. yielding point. [other wrong options] [Discuss in forum] elastic point plastic point breaking point |
Q28 ⇒ Stress in a beam due to simple bending, is. directly proportional [other wrong options] [Discuss in forum] inversely proportional curvilinearly related none of these. |
Q29 ⇒ For fatigue test the pieces are tested Till fracture [other wrong options] [Discuss in forum] Upto the load limit Upto the line limit Upto some time of cycles |
Q30 ⇒ The stress in the wall of a cylinder in a direction normal to its longitudinal axis, due to a force acting along the circumference, is known as hoop stress [other wrong options] [Discuss in forum] yield stress longitudinal stress circumferential stress |
Q31 ⇒ n and j are numbers of members and joints in a frame. It contains redundant members if. n > 2j - 3 [other wrong options] [Discuss in forum] n = 2j - 3 n = 3j - 2 n < 2j - 3 |
Q32 ⇒ Hooke's law is valid Only within elastic limit [other wrong options] [Discuss in forum] Only above elastic limit Only within plastic limit Till a substance, breaks under load |
Q33 ⇒ In a shaft shear stress intensity at a point is not. inversely proportional to the distance from the axis [other wrong options] [Discuss in forum] directly proportional to the distance from the axis inversely proportional to the polar moment of inertia directly proportional to the applied torque. |
Q34 ⇒ The moment diagram for a cantilever carrying a concentrated load at its free end, will be. triangle [other wrong options] [Discuss in forum] rectangle parabola cubic parabola. |
Q35 ⇒ Hooke's law holds good upto Elastic limit [other wrong options] [Discuss in forum] Yield limit Breaking point Plastic limit |
Q36 ⇒ Which of the following substances has the
highest value of the Young's modulus ? Steel [other wrong options] [Discuss in forum] Rubber Wood Plastic |
Q37 ⇒ The bending moment is maximum on a section where shearing force. changes sign. [other wrong options] [Discuss in forum] is maximum is minimum is equal |
Q38 ⇒ If the width b and depth d of a beam simply supported with a central load are interchanged, the deflection at the centre of the beam will be changed in the ratio of. (b/d)2 [other wrong options] [Discuss in forum] b/d d/b (d/b)2 |
Q39 ⇒ The point of contratlexure occurs in case of Overhanging beams only [other wrong options] [Discuss in forum] Cantilevers only Continuous beams All types of beams |
Q40 ⇒ A given quantity of an ideal gas is at pressure
P and absolute temperature T. The isothermal
bulk modulus of the gas is P [other wrong options] [Discuss in forum] 2/3 P 3/2 P 2P |
Or |