Machine Design 1st. Edition by P.C. Gope | 9788120345171 | 8120345177 | Holooly

Design of Machine

Machine Design

312 SOLVED PROBLEMS

Question: 24.10

A stepped cantilever beam and loading is shown in the figure below. determine (a) the slope and (b) the vertical deflector at the free end. ...

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Two-element FE model is shown below. The connectiv...

Question: 24.9

Solve the two-dimensional loaded plate using the CST element. Determine the displacements and element stresses. Assume plane stress condition. ...

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Considering two CST elements, the finite element m...

Question: 24.5

The state of stress is given by matrix S as S = [80 -60 0 -60 -40 0 0 0 40] The direction cosine matrix is given as T = [0.866 0.5 0 -0.5 0.866 0 0 0 1] Determine the stress tensor with respect to new coordinates. ...

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>> S= [80 -60 0; -60 -40 0; 0 0 40]; T=[0.86...

Question: 24.4

Determine the eigenvalues/eigenvectors of a matrix A given as A = [0 1 0 -1] ...

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>> [V,D] = eig(A) Eigenvector is 1 -0.7071...

Question: 7.3

A machine shaft is transmitting 50 kW power at a speed of 1100 rpm with mild shock. The maximum bending moment due to weight of the shaft is 1200 N·m. The shaft is also subjected to axial thrust of 65 kN. The shaft is supported at an interval of 1.5 m. If inner diameter of the shaft is 50 mm, ...

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T=\frac{9550 \times \mathrm{kW}}{\mathrm{re...

Question: 10.11

Determine (a) the suitable bolt size, (b) the preload, (c) the factor of safety against yielding and separation and (d) the optimum preload as percentage of proof strength for the joint as shown in the figure . ...

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Assumptions: (a) Assume both the clamped parts are...

Question: 24.2

Given A = [1 3 10 2 3 6 4 6 8] and b = [10; 12; 20] Find the x vector. ...

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>> A= [1 3 10; 2 3 6; 4 6 8]; b=[10; 12; 20]...

Question: 21.17

In a journal bearing diameter of the shaft is 75 mm, L/D = 1, radial clearance = 0.05 mm, minimum film thickness = 0.02 mm, speed of journal= 400 rpm, radial load = 3.5 N, specific gravity of oil is 0.9 and specific heat is 1.75 kJ/kg°C. Calculate the viscosity of suitable oil, temperature rise and ...

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Given L = D = 15 mm

C_r=0.05 \mathrm{~mm}[/...

Question: 23.7

Design a cranked lever to be operated by two persons. The maximum lever arm length is 500 mm. The lever arm is made of 40C8 steel ( σult = 580 MPa; σy = 380 MPa). Take a factor of safety of 5 for ultimate strength and 2.5 for yield strengh. ...

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Assumptions: As the lever is to be operated by two...

Question: 21.8

A full journal bearing has a diameter 75 mm with unilateral tolerance of -0.05 mm. The bushing bore has a diameter of 75.05 mm and a unilateral tolerance of 0.1 mm. The LID ratio is unity. The average viscosity of the oil is 0.011 kg/ms. If the load acting on the bearing is 3.5 kN and runs at 1800 ...

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Before solving the problem, we will discuss how to...

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