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Machine Design
Machine Design
Given data for bracket is P=20kN, e=100mm, S(yt)=400N/mm², FS=3. Find the direct shear stress in bolts if diameter=18mm.a) 16.9N/mm²b) 19.6 N/mm²c) 78.6 N/mm²d) 76.8 N/mm²
Machine Design
Given data for bracket is P=20kN, e=100mm, S(yt)=400N/mm², FS=3. If distance between the bolts from the axis of tilting is 125mm and 25mm, then find the effective tensile force acting on the bolts lying at 25mm from tilting axis.a) None of the listedb) 7692.3Nc) 2345.2Nd) 1538.46N
Machine Design
Given data for bracket is P=20kN, e=100mm, S(yt)=400N/mm², FS=3. Find the size of the bolt using maximum principal stress theory.a) None of the listedb) 19.2mmc) 15.3mmd) 21.2mm
Machine Design
A wall bracket is attached to the wall by means of 2 identical bolts, one at A and one at B. The force of 20kN acts at a distance of 400mm. Bolt A lies at a distance of 50mm from axis of tilt and bolt B 500mm. Allowable shear stress in the bolts is 100N/mm² and tensile is 40N/mm². Which bolt is used a criterion for designing?a) Ab) Bc) A or Bd) None of the listed
Machine Design
A wall bracket is attached to the wall by means of 2 identical bolts, one at A and one at B. The force of 20kN acts at a distance of 400mm. Bolt A lies at a distance of 50mm from axis of tilt and bolt B 500mm. Allowable shear stress in the bolts is 100N/mm² and tensile is 40N/mm². Find the radius of Mohr circle which can be made from the shear stress and tensile stress acting on bolts.(Consider bolt...
Machine Design
A flange of radius 200mm is fastened to the machine screw by means of four cap screws of pitch circle radius 150mm. The external force P is 20kN which is loaded at 160mm from the machine screw. There are two dowel pins to take shear load. Determine the core diameter of cap screw if permissible tensile stress in cap screw is 40N/mm².a) None of the listedb) 11.21mmc) 12.33mmd) 14.12mm
Machine Design
The two plates are welded as shown below figure. It is an example ofa) Parallel fillet weldb) Transverse fillet weldc) Parallel as well as transverse fillet weldd) None of the mentioned
Machine Design
With reference to the following figure, a plate, 75mm wide and 10mm thick, is joined with another plate as shown. The permissible tensile and shear stress in the welds are 50/mm² and 40N/mm². Determine the required length of each parallel fillet weld if length of transverse weld is 40mm.a) 11mmb) 9mmc) 8mmd) 7mm
Machine Design
Depending upon the holding arrangement, power screws operate in how many different arrangements.a) 2b) 3c) 4d) 5
Given data for bracket is P=20kN, e=100mm, S(yt)=400N/mm², FS=3. Find the direct shear stress in bolts if diameter=18mm.a) 16.9N/mm²b) 19.6 N/mm²c) 78.6 N/mm²d) 76.8 N/mm²
Given data for bracket is P=20kN, e=100mm, S(yt)=400N/mm², FS=3. If distance between the bolts from the axis of tilting is 125mm and 25mm, then find the effective tensile force acting on the bolts lying at 25mm from tilting axis.a) None of the listedb) 7692.3Nc) 2345.2Nd) 1538.46N
Given data for bracket is P=20kN, e=100mm, S(yt)=400N/mm², FS=3. Find the size of the bolt using maximum principal stress theory.a) None of the listedb) 19.2mmc) 15.3mmd) 21.2mm
A wall bracket is attached to the wall by means of 2 identical bolts, one at A and one at B. The force of 20kN acts at a distance of 400mm. Bolt A lies at a distance of 50mm from axis of tilt and bolt B 500mm. Allowable shear stress in the bolts is 100N/mm² and tensile is 40N/mm². Which bolt is used a criterion for designing?a) Ab) Bc) A or Bd) None of the listed
A wall bracket is attached to the wall by means of 2 identical bolts, one at A and one at B. The force of 20kN acts at a distance of 400mm. Bolt A lies at a distance of 50mm from axis of tilt and bolt B 500mm. Allowable shear stress in the bolts is 100N/mm² and tensile is 40N/mm². Find the radius of Mohr circle which can be made from the shear stress and tensile stress acting on bolts.(Consider bolt...
The two plates are welded as shown below figure. It is an example ofa) Parallel fillet weldb) Transverse fillet weldc) Parallel as well as transverse fillet weldd) None of the mentioned
With reference to the following figure, a plate, 75mm wide and 10mm thick, is joined with another plate as shown. The permissible tensile and shear stress in the welds are 50/mm² and 40N/mm². Determine the required length of each parallel fillet weld if length of transverse weld is 40mm.a) 11mmb) 9mmc) 8mmd) 7mm
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