A hollow thin disc of 60 cm outer diameter and 40 cm inner diameter is running at 1440 r.p.m. Calculate the maximum intensities of radial and hoop stresses. At what radius the radial stress is maximum? Density of disc material =7800 kg/m3 Poisson's ratio = 0-30.

A hollow thin disc of 60 cm outer diameter and 40 cm inner diameter is running at 1440 r.p.m. Calculate the maximum intensities of radial and hoop stresses. At what radius the radial stress is maximum? Density of disc material =7800 kg/m3 Poisson's ratio = 0-30.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: 1.1 Determine the shear and moment values at every load point. 1.2 Draw the shear and moment diagram…

Q: 3. A reheat steam cycle has 13,580 kPa of throttle pressure at the turbine inlet and a 37.50308414…

Q: Treated Natural Gas Mixed Refrigant m M Mixed Refrigant (M) LNG

A: Introduction: In the case of dual cycle mixed the mixed refrigerant cycle, which has a low power…

Q: Water at 20◦C flows along the streamlines shown in Figure 3.11. The (gauge) pressure, velocity, and…

A: Given Pressure, P1 = 15 kPa Velocity, v1 = 1 m/s v2 = 0.5 m/s Elevation, z1 =…

Q: Draw and label the diagram correctly Show the complete solution. Determine the following: a. Shear…

Q: A cantilever beam 2.5 m long having T-section as shown in Fig. 9-15 carries two concentrated loads.…

A: Two focused loads are carried by a 2.5 m long cantilever beam with a T-section as shown in the…

Q: You can push a cart until it moves in desired uniform velocity by applying a variable force F equals…

A: Given:F=x2-3x Nx1=2 mx2=10 mθ=30°

Q: What is the reading below, in mm

Q: 1. Consider the translational mechanical network system shown on the figure. A 1-lb force, f(t), si…

A: Disclaimer:“Since you have asked multiple questions, we will solve the first question for you. If…

Q: A glass tube of internal diameter 3 mm is immersed in mercury. The angle of contact of mercury with…

A: A glass tube with an internal diameter of 3 mm is immersed in mercury, with a contact angle of 130…

Q: 12. The gear A on the drive shaft of the outboard motor has a radius r = 0.5 in. and the meshed…

Q: A 10-inch waterwheel were spinning by the weight of flowing water at one liter per second. If the…

Q: A constant-volume mixing tank mixes two inlet streams containing salt. The salt concentration in…

A: Given: m1 = 25 kg/s (5% salt) m2 = 10 kg/s (15% salt)

Q: The power output of an adiabatic steam turbine is 5 MW, and the inlet conditions are given as P₁ -2…

Q: 3. During the rolling process, the average flow stress is 20,000 lb/in², determining the amount of…

A: Given: The flow stress in material, σf = 20,000 lf/in^2 The strain hardening exponent, n = 0.4 The…

Q: Suppose that the temperature of heated plate at outer edges as shown in figure below. Using…

Q: the diameter of the pipe (3) is 6 cm. Alcohol with a SG of 0.79 is injected into the tank from pipe…

A: Given: The diameter of pipe 1 and 2, d =3 cm = 0.03 m The diameter of pipe 3, D = 6 cm = 0.06 m The…

Q: For the given plane strain state, use Mohr's circle to determine the strain state associated with…

A: Write the given data. εx=-500εy=250γxy=120θ=-15°

Q: 7ft Corce докл 66° 5.30 look 50 g 80° G 36 30 Yo >15 4ft 3ff for all member f 66 2ft ? E

Q: The efficiencies of aircraft can be very important indicators for meeting emission standards. Often…

A: Given Calorific value, LCV = 43.15 MJ/kg Fuel consumption, s = 0.06 kg/hr Mass of fuel,…

Q: What is truss

A: This question is based on the concept of trust in mechanical engineering.

Q: A furnace wall is to consist in series of 7 in of kaolin firebrick, 6 in of kaolin insulating brick,…

A: In thermodynamics the transfer of the molecules from the one high temperature body to the lower…

Q: Q3/Draw the displacement and profile of a cam operating a knife-edge follower when the arm of the…

Q: 13. The vertical-axis windmill consists of two blades that have a parabolic shape. If the blades are…

Q: 1) Select the lightest W-shaped section that can safely support the load. The beam is made of steel…

Q: a)Determine V at x = 7.2 ft. b)Determine M at x = 3.9 ft. c)Determine M at x = 0.5 ft.

Q: 9. The following data refer to summer air conditioning of a restaurant : = 27°C DBT and 21°C WBT…

Q: 1.) An ideal regenerative cycle is executed with 56700 kg/hr of steam initially at 13.44 MPa and 594…

Q: Determine the x- and y-coordinates of the centroid of the area of Prob. 5/26 by the method of this…

Q: Air is drawn in a gas turbine unit at 15°C and 1.01 bar and pressure ratio is 7: 1. The compressor…

A: Given that, Temperature of air, T=17 °C,Pressure of air, P=1.01 bar,Pressure ratio, rp=8:1Isentropic…

Q: The efficiencies of aircraft can be very important indicators for meeting emission standards. Often…

A: Given Calorific value, LCV = 43.15 MJ/kg Fuel consumption, s = 0.06 kg/hr Mass of fuel,…

Q: In a simple Rankine cycle, the steam throttled condition is 8 MPa and 480 °C. The steam is then…

Q: In a gas turbine the compressor takes in air at a temperature of 15°C and compresses it to four…

A: Given: The temperature of air at compressor inlet, T1 = 15˚C The pressure ratio, r = 4 The…

Q: A glass tube with a 90o bend is open at both ends. It is inserted into a flowing stream of oil (sp.…

Q: n aircon sizing, what do you think are other examples of factors affecting the heat load of a…

A: Air conditioning is the process in which the temperature of the outside air is maintained according…

Q: A 25 - lb block-on-a-slope (0 = 30°) mechanism has been arranged in the Dynamics lab so that at the…

Q: very convenient and compact method of representing the process dynamics of linear systems involves…

A: Solution is attached below

Q: Ex. For the system shown in the Fig bellow write equation of motoin and Find the naturad frequency?…

Q: Po Q3.A frictionless piston/cylinder contains saturated water at 35°C. The piston cross-sectional…

Q: Water with a specific heat of 1 BTU/lbm F is pumped using a 1-hp jet pump from a well that is 20 ft…

A: Given Specific heat, C = 1 BTU / lbm Flow rate, m = 5 gal/min…

Q: Q2/A ring of a mean diameter 25 cm and cross sectional area of 20 cm2 .Assume it is made up of four…

Q: 6 The Geneva wheel is a mechanism for producing in- termittent rotation. Pin P in the integral unit…

Q: Convert the reading of pressure to kpa.

A: Given data; Borometer reads =760 mm of Hg Convert 80 cm of Hg into kpa ?

Q: 3- The following rod rotates about AB axis. If the angular velocity and acceleration are…

Q: 12. The gear A on the drive shaft of the outboard motor has a radius r = 0.5 in. and the meshed…

A: given; radius of propeller shaft(rB)=1.2 in…

Q: A 45° degree strain gauge rosette positioned on the surface of a structure under stress recorded the…

Q: Two forces are applied to tube AB as shown in the figure. Knowing that the tube has an outside…

Q: The pressure of fluid of specific gravity 0.8 flowing in a horizontal pipeline is determined with a…

A: Given that, h3=90 mm=0.9 m, h1=60 mm=0.06 m Pressure in pipe, pA (absolute)…

Q: For the beam and loading shown, (a) draw the shear and bending-moment diagrams, (b) determine the…

Q: The figure shows three fluid columns, each with a different cross-sectional area. The fluid is the…

A: Given

Concept explainers

Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.

Question

A hollow thin disc of 60 cm outer diameter and
40 cm inner diameter is running at 1440 r.p.m.
Calculate the maximum intensities of radial and
hoop stresses. At what radius the radial stress is
maximum? Density of disc material =7800 kg/m3
Poisson's ratio = 0-30.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

A cylindrical steel pressure vessel 60 cm in diameter with a wall thickness of 30 mun, is subjected to an internal pressure of 6 Nmm. (a) Calculate the tangential and longitudinal stresses in the steel. (b) To what value may the internal pressure be increased if the stress in the steel is limited to 200 MN/m?
Thank you!! Calculate the maximum tensile stress in a plate subjected to a remote loading of P. The plate has a central hole as shown below. The stress concentration at the hole is 2.5 based on the remote average stress. The Plate thickness is 1cm, plate width 20 cm and the total load P is 25 kN. Identify the location of the maximum stress at B
The state of stress at a point under plane stress 40 MPa, Oyy condition is Ox = = 100 MPa and Txy 40 MPa. This radius the Mohr's circle representing the given state of stress in MPa is:
A steel cylindrical pressure vessel with closed ends is 25 cm external diameter and 5 mm thick It is wound closely with a single layer of circular wire of diameter 1.2 mm. Under the tension of 96 N/mm'. If the cylinder is treated as thin. Calculate (1) Initial stress in cylinder. (ii) Initizl pressure which will produce a stress of 48 N/mm2.
Consider the plane stress element shown in representing the state of stress at a material point. If the magnitudes of the stresses are such that ox 210 Pa, oy = 110 Pa, and = - Txy = 70 Pa, calculate the magnitudes of principal stresses oj and 02, and the maximum shear stress, Tmax, generated at %3D this material point. (a) Record here the the positive of the two principle stresses. (b) Record here the the negative of the two principle stresses. (c) Record here the the maximum shear stress. Tyz Oy
A closed thin walled cylindrical vessel has a diameter D of 290 mm, a wall thickness t of 5 mm and length L of 210 mm. It is subject to an internal pressure P of 18 MPa causing circumferential stress and longitudinal stress in the vessel. Calculate the longitudinal stress due to the internal pressure. Give your answer in MPa to 3 significant figures. 00 P D 60 de OL
At point O of a part subjected to plane stress made of steel material (E = 210 GPa and %3D ww v= 0.3) The tensile components are given below. 240 %3D - 30 MPa *yz yz a) The principal stress components (01, 02 and o3) and their angles with respect to the x-y-z axes of the planes where they are formed calculate b) Calculate the maximum shear stress (tmax) and the angles of the plane in which it is formed with respect to the x-y-z axes. c) Drawthe 2-D and 3-D Mohr circles for the stress components. d) At point O in a section plane passing through point O and having an angle of 30° counterclockwise with the +x-axis Calculate the resulting stress components. e) Calculate the strain components (Exx, EW, Ezz, YXV, YXz and Yyz) and draw the 2-D and 3-D Mohr circles for the strain components.
A same circular plate with radius of Ro-560mm and thickness of h=7.42mm is considered here again. The plate is subjected to a pressure of P-2,600 KPa and the Poisson's ratio is V-0.32. Find the absolute value of the radial stress at the centre of the plate in KPa (write your answer without considering the negative or positive sign). (Hint: round your answer 4 digits after decimal point))? Ro
Can you help me with this problem, please: At a material point in plane stress it is known that the hydrostatic component of the stress is 15 ksi and that the second stress invariant is 30 ksi. Determine the magnitude of the principal stresses and the maximum shear stress.
A 30 ?? square plate is subjected to uniform pressure as shown in Figure.1. The 2D loading stressesare described. If the modulus of elasticity is 200 ??? and the lateral constant (Poisson's ratio ? = 0.3). Estimatethe change in length in the vertical, horizontal and diagonal sides as well as determine the volumetric strain.Illustrate the effect of two-dimensionalstrain by constructing appropriate sketches (before and after deformation).Repeat the analysis for lower value of pressure and higher value in the range of [20 -100 MPa] and comment onthe overall results.
A rectangular block of material is subjected to a tensile stress of 90 N/mm2 along X axis and acompressive stress of 45 N/mm2 on a plane at right angle to it, together with shear stresses of80 N/mm2 on the same plane. Calculate the direction of principal planes, the magnitude ofprincipal stresses and the magnitude of greatest shear stresses.
3. An axial pull of 35000 N is acting on a bar consisting of three lengths as shown below. If the Young's Modulus is 2.1 x 105 N/mm2. Determine (i) Stresses in each section, and; (ii) Total extension of the bar. Section 3 Section 2 Section 1 35000 N 35000 N 2 cm DIA 3 cm DIA 5 cm DIA k-20 cm- 25 cm -22 cm-