the figure is subjected to a completely  reversed axial load fluctuating between 28 kN in compression to 28 kN in tension. Estimate the  fatigue factor of safety based on achieving infinite life, and the yielding factor of safety for the  following cases. If infinite

Q: 3. A bar of 12 mm diameter gets stretched by 3 mm under a steady load of 8 kN. What stress would be…

A: Given data: d=12 mm=0.012 mδL=3 mm=0.003 mW=800 NP=8 kN=8000 NE=200 kN/mm2h=80 mm=0.08 m Need to…

Q: The cantilever bar in the figure is made from a ductile material and is statically loaded with Fy=…

A: The forces acting on the cantilever beam are: Fy = 300 lb Fx =0 Fz =0   To find: The critical…

Q: Example 3: A composite spring has two close coiled helical springs connected in series; each spring…

A:

Q: Q2- The steel bar shown in the figure is subjected to a reversed axial load fluctuating between 28…

A:

Q: 3. A close coil helical spring is to have a mean coil diameter to wire diameter ratio of to. The…

A: Given Data:-Dd=2K=20N/mmW=500NTmax=800mPaTo findi) dii) Diii) niv) deflection

Q: the propeller on a ship shown in figure qi is subjected to a compressive axial force f of 180 kn as…

A:

Q: 2. A l-in diameter rotating solid round bar has a groove 0.1-in deep with a 0.1-radius machined into…

A: Given data as per question Bending moment =1000 lbf. in f =0.9  q = 0.8 Calculations tensile…

Q: loading cycles that the design can withstand before fatigue failure - calculate cycles using goodman…

A:

Q: 15. A bar of 12 mm diameter gets stretched by 3 mm under a steady load of 8 kN. What stress would be…

A:

Q: 2. The rotating shaft shown in the figure is machined from AISI 1020 CD steel. It is subjected to a…

A:

Q: The cold-drawn AISI 1040 steel bar shown in the figure is subjected to a completely reversed axial…

A: The yield strength of the AISI 1040 steel is given as, The ultimate strength of the AISI 1040 steel…

Q: how many times is the system safe

A: For solution refer below images.

Q: The figure below is subjected to a load fluctuating between Pmin and Pmax. Calculate the factor of…

A: Write the given values along with the suitable variables.

Q: Part (a) of the figure below shows a knuckle joint with a pin inside it. This joint is subject to a…

A: Given-fluctuating load F=(on & 6000N)(AISI hot rolled steel)Fatique steress concentration…

Q: MACHINE DESIGN 1 ELEMENT 2" dia 20 150 PROBLEM: The shaft in the figure is rigidly attached to the…

A:

Q: In the figure shown, shaft A, made of steel (Sut = 469 MPa), is welded to a fixed support and is…

A:

Q: Q4/ A bolt M18×x 1.5 ISO metric thread is subjected to a fluctuating load of 0 to 10000N. Endurance…

A: Given , diameter of bolt =  18 mm area of the parts joint =362 mm2. load variation   - 0 to 10 KN…

Q: Part (a) of the figure below shows a knuckle joint with a pin inside it. This joint is subject to a…

A: Given-Fluctuating load F-on and 600NAISI Hot- rolled stealFatigue stress concentraion factor-

Q: Q2- The steel bar shown in the figure is subjected to a reversed axial load fluctuating between 28…

A:

Q: Find the diameter of the spring wire and number of   active turns required

A:

Q: composite spring has two closed coiled springs connected in series, each spring has 12 coils at a…

A:

Q: 2. A screw clamp shown in the figure has a horizontal handle with diameter 3/8-in made of cold-drawn…

A:

Q: 2. The figure shows a spring chair. The chair weight is 100 N. The spring free-length is 500 mm,…

A:

Q: Problem 6: A circular metal rod of diameter 1 cm is loaded in tension. The extension of a 25 cm is…

A: Given Data  ∆L=0.227 mmLoad=5000NDiameter=1 cm =10 mm

Q: Q 3\A rectangular bar is cut from an AISI 1018 cold-drawn steel flat. The bar is 60 mm wide by 10 mm…

A:

Q: A composite spring has two closed coiled springs connected in series, each spring has 12 coils at a…

A:

Q: Problem- A round bar made of medium carbon steel is under a cyclic axial load between Pmax = 12 kN…

A:

Q: (5) A rectangular bar is cut from an AISI 1018 cold-drawn steel flat. The bar is 60 mm wide by 10 mm…

A:

Q: The notched steel bar shown below is loaded in tension by a uniformly distributed force of F 15 kN.…

A:

Q: 6-25 The cold-drawn AISI 1040 steel bar shown in the figure reversed axial load fluctuating between…

A: Given f max=28 KN fmin =28KN From design data hand book for AISI 1040 steel Sut =590 mpa, yield…

Q: In the Figure shown below, a machine member is subjected to a vertical orce, Fy varies from (+3P) to…

A: For vertical direction , Wmin=-PWmax=3P F.S=3 σe=255N/mm2 σy=450N/mm2 t=8mm Now,…

Q: The figure shows a formed round-wire cantilever spring subjected to a varying force. The hardness…

A:

Q: (11) The cold-drawn AISI 1018 steel bar shown in the figure is subjected to an axial load…

A: Metal fatigue is a term that describes the sudden failure of metal parts due to gradual fracturing…

Q: The cantilevered bar in the figure is made from a ductile material and is statically loaded with Fy…

A:

Q: The bolted connection shown in the figure is subjected to a tensile shear load of 100 kN. The bolts…

A:

Q: (14) The figure shows a crank loaded by a force F = 190 lbf which causes twisting and bending of the…

A: Given that, Force, F = 190 lbfDiameter of shaft, d=34 in,Material of the shaft is AISI 1008 steel,…

Q: The cantilever bar in the figure is made from a ductile material and is statically loaded with Fy=…

A:

Q: Space limitations in the design of an aircraft limit the wall thickness of an aluminum torsion…

A: Data given - Do = 0.041 m Di = 0.039 m Maximum allowable shear stress  = 60 Mpa  t= 4mm

Q: In the Figure shown below, a machine member is subjected to a vertical force, F, varies from ( 0 )…

A: Given ,  variation of FH =  0 to -2P variation of FV  = +3p to -P σyield  = 400 N/mm2 FOS (N) = 4…

Q: A threaded machine bolt of 3/4 in diameter is screwed up tightly, fastening together two steel…

A:

Q: A steel rod of diameter D = 50 mm has a tensile yield strength of 345 MPa supports an axial load P =…

A:

Q: A shaft is loaded in bending and torsion such that Ma = 69 N · m, Ta = 42 N · m, Mm = 52 N · m, and…

A: Given: The amplitude of bending moment, Ma = 69 N.m The amplitude of the torque, Ta = 42 N.m The…