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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
The cross-section of a bar is subjected to a uniaxial tensile stress 'ρ'. The tangential stress on a plane inclined at θ to the cross-section of the bar would |
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Answer» The cross-section of a bar is subjected to a uniaxial tensile stress 'ρ'. The tangential stress on a plane inclined at θ to the cross-section of the bar would |
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| 102. |
If the Poissons's ratio of an elastic material is 0.4. The ratio of modulus of rigidity to Young's modulus is 0.357 |
Answer» If the Poissons's ratio of an elastic material is 0.4. The ratio of modulus of rigidity to Young's modulus is
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| 103. |
Two triangular wedges are glued together as shown in the following figure. The stress acting normal to the interface, σn is MPa.0 |
Answer» Two triangular wedges are glued together as shown in the following figure. The stress acting normal to the interface, σn is MPa.
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| 104. |
A rigid beam CBDA is hinged at A and supported by two springs at C and B with a vertical load 'P' at point D as shown in the given figure. The ratio of stiffness (k2/k1) of springs at B and C is 2. The ratio of forces in spring at C to that at B is |
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Answer» A rigid beam CBDA is hinged at A and supported by two springs at C and B with a vertical load 'P' at point D as shown in the given figure. The ratio of stiffness (k2/k1) of springs at B and C is 2. The ratio of forces in spring at C to that at B is |
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| 105. |
Shear centre of a semi-circular arc strip of radius 'r' will be at a distance of 'x' from the centre of the arc, where 'x' is equal to |
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Answer» Shear centre of a semi-circular arc strip of radius 'r' will be at a distance of 'x' from the centre of the arc, where 'x' is equal to |
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| 106. |
A circular metallic rod of length 250 mm is placed between two rigid immovable walls as shown in the figure. The rod is perfect contact with the wall on the left side and there is a gap of 0.2 mm between the rod and the wall on the right side. If the temperature of the rod is increased by 200oC, the axial stress developed in the rod is _____ MPa.Young's modulus of the material of the rod is 200 GPa and the coefficient of thermal expansion is 10−5peroC240 |
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Answer» A circular metallic rod of length 250 mm is placed between two rigid immovable walls as shown in the figure. The rod is perfect contact with the wall on the left side and there is a gap of 0.2 mm between the rod and the wall on the right side. If the temperature of the rod is increased by 200oC, the axial stress developed in the rod is _____ MPa. Young's modulus of the material of the rod is 200 GPa and the coefficient of thermal expansion is 10−5peroC 
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| 107. |
A simply supported rectangular beam of span L and depth 'd' carries a central load W. The ratio of maximum deflection to maximum bending stress is |
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Answer» A simply supported rectangular beam of span L and depth 'd' carries a central load W. The ratio of maximum deflection to maximum bending stress is |
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| 108. |
A simply supported beam of length 4 m is subjected to a uniformly distributed load of 2 kN/m. What is the maximum shear stress if the cross-section is rectangular, 100 mm wide and 200 mm deep? |
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Answer» A simply supported beam of length 4 m is subjected to a uniformly distributed load of 2 kN/m. What is the maximum shear stress if the cross-section is rectangular, 100 mm wide and 200 mm deep? |
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| 109. |
A propped cantilever beam of span ' L' is loaded with u.d.l of intensity w/unit length, all through the span. Bending Moment at the fixed end is |
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Answer» A propped cantilever beam of span ' L' is loaded with u.d.l of intensity w/unit length, all through the span. Bending Moment at the fixed end is |
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| 110. |
A solid metal bar of uniform sectional area throughout its length hangs vertically from its upper end. Details of the bar are : Length = 6 m, material density = 8 x 105 N/mm3 and E = 2 x 105 N/mm2. What will be the total elongation of the bar in mm ? |
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Answer» A solid metal bar of uniform sectional area throughout its length hangs vertically from its upper end. Details of the bar are : |
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| 111. |
A rigid, uniform weightless, horizontal bar is connected to three vertical members P,Q and R as shown in the figure (not drawn to the scale). All three members have identical axial stiffness of 10 kN/mm. The lower ends of bars P and R rest on a rigid horizontal surface. When no load is applied, a gap of 2 mm exists between the lower end of the bar Q and the rigid horizontal surface. When a vertical load W is placed on the horizontal bar in the downward direction, the bar still remains horizontal and gets displaced by 5 mm in the vertically downward direction.The magnitude of the load W (in kN, round off to the nearest integer), is130 |
Answer» A rigid, uniform weightless, horizontal bar is connected to three vertical members P,Q and R as shown in the figure (not drawn to the scale). All three members have identical axial stiffness of 10 kN/mm. The lower ends of bars P and R rest on a rigid horizontal surface. When no load is applied, a gap of 2 mm exists between the lower end of the bar Q and the rigid horizontal surface. When a vertical load W is placed on the horizontal bar in the downward direction, the bar still remains horizontal and gets displaced by 5 mm in the vertically downward direction. The magnitude of the load W (in kN, round off to the nearest integer), is
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| 112. |
The ratio of tensile stress developed in the wall of a boiler in the longitudinal direction to the tensile stress in the circumferential direction due to an internal pressure is |
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Answer» The ratio of tensile stress developed in the wall of a boiler in the longitudinal direction to the tensile stress in the circumferential direction due to an internal pressure is |
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| 113. |
A simply supported beam of span L carries a concentrated load W at mid-span. If the width 'b' of the beam is constant and its depth is varying throughout the span , then what should be its mid-span depth , when design stress is 'f' ? |
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Answer» A simply supported beam of span L carries a concentrated load W at mid-span. If the width 'b' of the beam is constant and its depth is varying throughout the span , then what should be its mid-span depth , when design stress is 'f' ? |
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| 114. |
A square section as shown in the figure below is subjected to bending moment M.What is the maximum bending stress? |
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Answer» A square section as shown in the figure below is subjected to bending moment M. |
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| 115. |
A simply supported beam of uniform flexural rigidity is loaded as shown in the given figure. The rotation of the end A is |
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Answer» A simply supported beam of uniform flexural rigidity is loaded as shown in the given figure. The rotation of the end A is |
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| 116. |
Match List-I (Given sections) with List-II (Shape of the core) to ensure no tension condition and select the correct answer using the codes given below the lists: List - IList - IIA. Rectangular1. CircleB. I-section2. AnnulusC. Hollow circular3. RhombusD. Square4. I-section 5. Square 6. RectangularCodes:A B C D |
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Answer» Match List-I (Given sections) with List-II (Shape of the core) to ensure no tension condition and select the correct answer using the codes given below the lists:
Codes: A B C D |
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| 117. |
An overhanging beam of uniform EI is loaded as shown below. The deflection at the free end is |
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Answer» An overhanging beam of uniform EI is loaded as shown below. The deflection at the free end is |
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| 118. |
In an experiment it found that the bulk modulus of a material is equal to its shear modulus. The Poisson's ratio is |
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Answer» In an experiment it found that the bulk modulus of a material is equal to its shear modulus. The Poisson's ratio is |
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| 119. |
The total elongation of the structural element (fixed at one end, free at the other end, and of varying cross-section) as shown in the figure, when subjected to load 2P at the free end is |
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Answer» The total elongation of the structural element (fixed at one end, free at the other end, and of varying cross-section) as shown in the figure, when subjected to load 2P at the free end is |
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| 120. |
A metallic rod of 500 mm length and 50 mm diameter when subjected to a tensile force of 100 kN at the ends, experiences an increase in its length by 0.5 mm and a reduction in its diameter by 0.015 mm. The Poisson's ratio of the rod material is 0.3 |
Answer» A metallic rod of 500 mm length and 50 mm diameter when subjected to a tensile force of 100 kN at the ends, experiences an increase in its length by 0.5 mm and a reduction in its diameter by 0.015 mm. The Poisson's ratio of the rod material is
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| 121. |
According to Von-Mises' distortion energy theory, the distortion energy under three dimensional stress state is represented by |
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Answer» According to Von-Mises' distortion energy theory, the distortion energy under three dimensional stress state is represented by |
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| 122. |
A cantilever beam of length l, and flexural rigidity EI,stiffened by a spring of stiffness k, is loaded by transverse force P, as shownThe transverse deflection under the load is |
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Answer» A cantilever beam of length l, and flexural rigidity EI,stiffened by a spring of stiffness k, is loaded by transverse force P, as shown |
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| 123. |
A steel bar is held by two fixed supports as shown in the figure and is subjected to an increase of temperature ΔT=100oC. If the coefficient of thermal expansion and Young's modulus of elasticity of steel are 11×10−6/oC and 200 GPa, respectively. the magnitude of thermal stress (in MPa) induced in the bar is 220 |
Answer» A steel bar is held by two fixed supports as shown in the figure and is subjected to an increase of temperature ΔT=100oC. If the coefficient of thermal expansion and Young's modulus of elasticity of steel are 11×10−6/oC and 200 GPa, respectively. the magnitude of thermal stress (in MPa) induced in the bar is 
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| 124. |
A cylindrical tank with closed ends is filled with compressed air at a pressure of 500 kPa. The inner radius of the tank is 2 m, and it has wall thickness of 10 mm. The magnitude of maximum in - plane shear stress (in MPa) is________25 |
Answer» A cylindrical tank with closed ends is filled with compressed air at a pressure of 500 kPa. The inner radius of the tank is 2 m, and it has wall thickness of 10 mm. The magnitude of maximum in - plane shear stress (in MPa) is________
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| 125. |
A mild steel rod tapers uniformly from 30 mm diameter to 12 mm diameter in a length of 300 mm. The rod is subjected to an axial load of 12 kN. E=2×105 N/mm2. What is the extension of the rod in mm? |
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Answer» A mild steel rod tapers uniformly from 30 mm diameter to 12 mm diameter in a length of 300 mm. The rod is subjected to an axial load of 12 kN. E=2×105 N/mm2. What is the extension of the rod in mm? |
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| 126. |
The cross-section of a timber beam with a steel strip is shown in the given figure. It is subjected to a sagging bending moment of 1000 Nm, Ixx=1250×104mm4 and modular ratio m = 20. The stresses at the lower surfaces of timber (σt) and steel (σs) will be respectively. |
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Answer» The cross-section of a timber beam with a steel strip is shown in the given figure. It is subjected to a sagging bending moment of 1000 Nm, Ixx=1250×104mm4 and modular ratio m = 20. The stresses at the lower surfaces of timber (σt) and steel (σs) will be respectively. |
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| 127. |
Which one of the following diagrams shows correctly the distribution of transverse shear stress across the depth h of a rectangular beam subjected to varying bending moment along its length? |
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Answer» Which one of the following diagrams shows correctly the distribution of transverse shear stress across the depth h of a rectangular beam subjected to varying bending moment along its length? |
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| 128. |
In the cantilever beam PQR shown in figure below, the segment PQ has flexural rigidity EI and the segment QR has infinite flexural rigidity. The deflection and slope of the beam at 'Q' are respectively |
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Answer» In the cantilever beam PQR shown in figure below, the segment PQ has flexural rigidity EI and the segment QR has infinite flexural rigidity. |
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| 129. |
In a piece of stressed material, the principal stress are σ1=3.0 kN/m2 tensile and σ2=7.0 kN/m2 compressive as shown in the diagram below.The line of action of the tensile stress makes an angle θ=30° to the normal to the plane AB. What is the normal stress σn? |
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Answer» In a piece of stressed material, the principal stress are σ1=3.0 kN/m2 tensile and σ2=7.0 kN/m2 compressive as shown in the diagram below. |
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| 130. |
A steel plate is bent into a circular arc of radius 10 m. If the plate section be 120 mm wide and 20 mm thick, with E=2×105N/mm2, then the maximum bending stress induced is |
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Answer» A steel plate is bent into a circular arc of radius 10 m. If the plate section be 120 mm wide and 20 mm thick, with E=2×105N/mm2, then the maximum bending stress induced is |
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| 131. |
If the Young's modulus 'E' is equal to the bulk modulus 'K', then what is the value of the Poisson's ratio? |
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Answer» If the Young's modulus 'E' is equal to the bulk modulus 'K', then what is the value of the Poisson's ratio? |
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| 132. |
A horizontal bar, fixed at one end (x=0), has a length of 1 m, and cross-sectional area of 100 mm2. Its elastic modulus varies along its length as given by E(x) = 100 e−x GPa, where x is the length coordinate (in m) along the axis of the bar. An axial tensile load of 10kN is applied at the free end (x =1). The axial displacement of the free end is mm.1.718 |
Answer» A horizontal bar, fixed at one end (x=0), has a length of 1 m, and cross-sectional area of 100 mm2. Its elastic modulus varies along its length as given by E(x) = 100 e−x GPa, where x is the length coordinate (in m) along the axis of the bar. An axial tensile load of 10kN is applied at the free end (x =1). The axial displacement of the free end is mm.
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| 133. |
A given material has Young's modulus E, modulus of rigidity G and Poisson's ratio 0.25. The ratio of Young's modulus to modulus of rigidity of this material is |
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Answer» A given material has Young's modulus E, modulus of rigidity G and Poisson's ratio 0.25. The ratio of Young's modulus to modulus of rigidity of this material is |
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| 134. |
For a case of plane stress, σx=40MN/m2,σy=0,τxy=80MN/m2. What are the principal stresses(inMN/m2) and their orientation with x and y axes? |
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Answer» For a case of plane stress, σx=40MN/m2,σy=0,τxy=80MN/m2. What are the principal stresses(inMN/m2) and their orientation with x and y axes? |
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| 135. |
Which one of the following is the reaction of the cantilever at B as shown in the figure below ? |
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Answer» Which one of the following is the reaction of the cantilever at B as shown in the figure below ? |
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| 136. |
A cantilever beam with a uniform flexural rigidity (EI=200×106Nm2) is loaded with a concentrated force at its free end. The area of the bending moment diagram corresponding to the full length of the beam is 10000 Nm2. The magnitude of the slope of beam at its free end is ___ micro radian (round off to the nearest integer) 50 |
Answer» A cantilever beam with a uniform flexural rigidity (EI=200×106Nm2) is loaded with a concentrated force at its free end. The area of the bending moment diagram corresponding to the full length of the beam is 10000 Nm2. The magnitude of the slope of beam at its free end is ___ micro radian (round off to the nearest integer)
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| 137. |
A pedestal of rectangular cross-section of size B×D is subjected to a vertical load P. For the stress to be zero at the farthest point in the first quadrant of X−Y−axes of the section (with the origin at the symmetric midpoint) due to the load acting in the third quadrant is bounded by the straight line, |
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Answer» A pedestal of rectangular cross-section of size B×D is subjected to a vertical load P. For the stress to be zero at the farthest point in the first quadrant of X−Y−axes of the section (with the origin at the symmetric midpoint) due to the load acting in the third quadrant is bounded by the straight line, |
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| 138. |
A hollow circular column of internal diameter ′d′ and external diameter ′1.5 d′ is subjected to compressive load. The maximum distance of the point of application of load from the centre for no tension is |
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Answer» A hollow circular column of internal diameter ′d′ and external diameter ′1.5 d′ is subjected to compressive load. The maximum distance of the point of application of load from the centre for no tension is |
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| 139. |
Group I gives the shear force diagrams andGroup II gives the diagrams of beams with supports and loading. Match the Group I and Group II.Codes:PQRS |
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Answer» Group I gives the shear force diagrams and Group II gives the diagrams of beams with supports and loading. Match the Group I and Group II.  Codes: PQRS |
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| 140. |
A simply supported beam has uniform cross-section, b = 100 mm, d = 200 mm, throughout its length. The beam is subjected to a maximum bending moment of 6×107 N-m. The corresponding bending stress developed in the beam is |
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Answer» A simply supported beam has uniform cross-section, b = 100 mm, d = 200 mm, throughout its length. The beam is subjected to a maximum bending moment of 6×107 N-m. The corresponding bending stress developed in the beam is |
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| 141. |
Match List-I (Property) with List-II (Characteristic) and select the correct answer using the codes given below the lists: List - IList - IIA. Fatigue1. Material continues to deform with time under sustained loadingB. Creep2. Decreased resistance of material to repeated reversals of stressC. Plasticity3. Material has a high probability of not falling under reversals of stresss of magnitude below this levelD. Endurance limit4. Material continues to deform without any further increase in stress.CodesA B C D |
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Answer» Match List-I (Property) with List-II (Characteristic) and select the correct answer using the codes given below the lists:
Codes A B C D |
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| 142. |
A cantilever beam of length L, with uniform cross-section and flexural rigidity EI, is loaded uniformly by a vertical load, w per unit length. The maximum vertical deflection of the beam is given by |
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Answer» A cantilever beam of length L, with uniform cross-section and flexural rigidity EI, is loaded uniformly by a vertical load, w per unit length. The maximum vertical deflection of the beam is given by |
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| 143. |
A symmetric I-section (with width of each flange = 50 mm, thickness of each flange =10 mm, depth of web = 100 mm, and thickness of web = 10 mm) of steel is subjected to a shear force of 100 kN. Find the magnitude of the shear stress in in(N/mm2) in the web at its junction with the top flange.71.12 |
Answer» A symmetric I-section (with width of each flange = 50 mm, thickness of each flange =10 mm, depth of web = 100 mm, and thickness of web = 10 mm) of steel is subjected to a shear force of 100 kN. Find the magnitude of the shear stress in in(N/mm2) in the web at its junction with the top flange.
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| 144. |
A cantilever beam with flexural rigidity of 200 Nm2 is loaded as shown in the figure. The deflection (in mm) at the tip of the beam is _________0.26042 |
Answer» A cantilever beam with flexural rigidity of 200 Nm2 is loaded as shown in the figure. The deflection (in mm) at the tip of the beam is _________
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| 145. |
Two coplanar concurrent forces P1=2t and P2=2t meeting at O act on a lamina at 45° as shown in figure.From the force diagram the force R to be applied at O in order to keep the body in equilibrium is given by |
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Answer» Two coplanar concurrent forces P1=2t and P2=2t meeting at O act on a lamina at 45° as shown in figure. |
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| 146. |
A hypothetical engineering stress-strain curve shown in the figure has three straight lines PQ, QR, RS with coordinates P(0,0), Q (0.2, 100), R (0.6, 140) and S (0.8, 130). Q is the yield point, R is the UTS point and S the fracture point.The toughness of the material (in MJ/ m3) is 0.85 |
Answer» A hypothetical engineering stress-strain curve shown in the figure has three straight lines PQ, QR, RS with coordinates P(0,0), Q (0.2, 100), R (0.6, 140) and S (0.8, 130). Q is the yield point, R is the UTS point and S the fracture point. The toughness of the material (in MJ/ m3) is
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| 147. |
A thin cylindrical tube closed at ends is subjected to internal pressure. A torque is also applied to the tube. The principal stresses p1 and p2 developed are 80.0 units and 20.0 units respectively. If the yield stress is 240 units, then what is the factor of safety according to maximum shear stress theory? |
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Answer» A thin cylindrical tube closed at ends is subjected to internal pressure. A torque is also applied to the tube. The principal stresses p1 and p2 developed are 80.0 units and 20.0 units respectively. If the yield stress is 240 units, then what is the factor of safety according to maximum shear stress theory? |
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| 148. |
A solid metal bar of uniform diameter D and length L is hang vertically from a ceiling. If the density of the material of the bar is ρ and the modulus of elasticity is E, then the total elongation of the bar due to its own weight is |
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Answer» A solid metal bar of uniform diameter D and length L is hang vertically from a ceiling. If the density of the material of the bar is ρ and the modulus of elasticity is E, then the total elongation of the bar due to its own weight is |
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| 149. |
A thin cylindrical shell of internal diameter D and thickness ′t′ is subjected to internal pressure ′p′. The change in diameter is given by |
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Answer» A thin cylindrical shell of internal diameter D and thickness ′t′ is subjected to internal pressure ′p′. The change in diameter is given by |
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| 150. |
A mild steel bar, circular in cross-section, tapers from 40 mm diameter to 20 mm diameter over its length of 800 mm. It is subjected to an axial pull of 20 kN. E=2×105 N/mm2. The increase in the length of the rod will be |
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Answer» A mild steel bar, circular in cross-section, tapers from 40 mm diameter to 20 mm diameter over its length of 800 mm. It is subjected to an axial pull of 20 kN. E=2×105 N/mm2. The increase in the length of the rod will be |
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The transverse deflection under the load is
The line of action of the tensile stress makes an angle 
