The apparent viscosity of- --- decreased with increasing shear stress. Thixotropic O Rheopectic O Pseudoplastic O Dilatant Bingham plastic O
Q: The material in which large deformation is possible before absolute failure by rupture takes place,…
A: Ductile material is one which show large deformation before fracture . Brittle material is one in…
Q: An acetal polymer block is fixed to the rigid plates at its top and bottom surfaces. If the top…
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Q: *3-36. The elastic portion of the tension stress-strain diagram for an aluminum alloy is shown in…
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Q: 2. The tensile link shown is flat, is 5 mm. thick, and carries an axial loac a. Compute the maximum…
A: GIVEN- Axial load (P)=1350 N Thicknesss (t)= 5 mm
Q: 1 in. 2.5 in.
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Q: Stress-strain behavior of a ductile and a brittle material is given in ow. Which material absorbs…
A: Ductile material absorbs more energy than brittle materials
Q: A solid 45 mm diameter beryllium copper (E = 131 GPa; α = 17.0 × 10−6 /°C) rod is stress free when…
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Q: The bending stresses on an element are: om 25,00 psi or= 21,667 psi. There is a stress raiser with…
A: Given:σm = 2500 psiσr = 21667 psiSy = 80000psiSu = 90000 psiSe = 40000 psiKf = 1.4
Q: An assembly of a material consists of a brass shell fully bonded to a ceramic core. The brass shell…
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Q: A structural component in the form of a wide plate is to be fabricated from a steel alloy that has a…
A: It is required to determine the critical flaw using the relation. KIc=Yσπacac=1πKICYσ2 Here KIC is…
Q: An acetal polymer block is fixed to the rigid plates at its top and bottom surfaces. If the top…
A: We have to determine the value of shear modulus of the polymer as per the given data in the…
Q: An aluminum alloy rod has a circular cross section with a diameter of 8 mm. This rod is subjected to…
A: It is required to calculate the stress in the circular rod. Here, A0 is the original area of the…
Q: The A-36 steel pipe has a 6061-T6 aluminum core. It is subjected to a tensile force. Given: Tensile…
A: Given data, Tensile force = P = 294kN Outer diameter of pipe = dO = 84mm inner diameter of pipe =…
Q: (a) the normal stress in the polymer cylinder. (b) the normal strain in the polymer cylinder. (c)…
A: ###Determination of Normal Stress and Strain ###
Q: The nutural frequancy for the system is equal to Ek rigid uniform bar of mass (m) P b -L-
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Q: Choose the right option for the ultimate limit states in RCC. Select one: O a. Durability O b.…
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Q: Water from a reservoir flowing through a pipe with a diameter of 600mm at 1.80m/s is completely…
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Q: Ivertical deformation at cc ]rot ation at (c) l00 B 2 m
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Q: The aluminum shell is fully bonded to the brass core, and the assembly is unstressed at a…
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Q: -A:. An aluminum rod is rigidly attached between a steel rod and a bronze rod as n in the Fig. Axial…
A: For bronze: σbrAbr=2P100200=2PP=10,000 N
Q: a.) Plot the S-N curve for this alloy. b.) Does this material have an endurance limit? Explain. c.)…
A: As per company policy, we are supposed to answer only the first three subparts. Kindly repost to get…
Q: A steel rod of length = 3m, diameter - 300 mm and modulus of elasticity = 200 GPa is inserted into…
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Q: EXAMPLE 14.2. A copper wire of 2 mm diameter is required to be wound around a drum. Find the minimum…
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Q: 3- Part of the strain energy dissipates in the material. Perfectly Elastic Elastic with Hysteresis…
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Q: A copper cylinder 150mm outside diameter has walls 25mm thick. End plates are stayed by a 25mm…
A: A copper cylinder is there of 150 mm diameter . the thickness of the wall is 25 mm. The end plat is…
Q: 1. A homogeneous conical frustum with length, L, of 3m is subjected to an axial tensile load, P, of…
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Q: Example: the low cycle fatigue of a certain steel is given by life cycle equation-2: (of/E)-0.005…
A: Solution: Given Data: Fatigue strength coefficientSfModulus of ElasticityE=0.005Fatigue strngth…
Q: In the plastic range of a material, if the load is removed the material will: a. reach failure and…
A: The behaviour of the material in plastic range as follows:
Q: An aluminum alloy rod has a circular cross section with a diameter of 8mm. The rod is subjected to a…
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Q: -Modulus of toughness A, shows minor or no yielding before failure. -Ductile material -Tau is…
A: • A Brittle material fails abruptly without elongation showing minor or no yeilding before failure…
Q: sheet of copper is stretched biaxially in the xy-plane. If the strains in the sheet are =10*(…
A: εx = 10 x 10-4εy = 2 x 10-4E = 110 GPaμ= 0.35we have to find σx in x direction
Q: A steel rod is fixed at one end and the other end has a distance of 0.2 mm from a rigid support. The…
A: Given: Distance between rod and rigid support = 0.2 mm Increase in temperature = 200°C Elastic…
Q: ecimen of ductile cast iron was tested in a torsion-testing machine. The rod diameter was 22 mm, and…
A: D=22mm L=240mm
Q: e strength o pre stressing tendons ess after losses
A: solution data given fc' =34.5 MPa Ec= 4700×fc'Ec =4700×34.5 =27606.25 N/mm2→ for graded 270 , Es…
Q: A copper specimen subjected to the Brinell Hardness Test using hardened steel ball indenter of…
A: Draw the Brinell Hardness test setup.
Q: wo beams, one having square cross section and another circular cross-section, are ubjected to the…
A: Solution:- Considering the case when both beams have the same cross-sectional area, one with a…
Q: Hardness 6.54 (a) A 10-mm-diameter Brinell hardness indenter O produced an indentation 2.50 mm in…
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Q: The ratio of the stress at failure to the allowable stress for design is а. Factor of safety b.…
A: Tensile strength:- It is known as "the maximum load in weight for each unit surface area attempting…
Q: egates is 38 mm, and the required strength is 30 MPa after 7- naterial types and the assumptions you…
A: GIVEN STRENGTH OF CONCRETE=30 MPa SIZE OF AGGREGATE=38mm
Q: A small element is under loading where o, =-22 MPa, o, =22 MPa and ty =14 MPa. Taking the yield…
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Q: What is wrong about the modulus of toughness? O a. It is calculated based on the stress strain…
A: Modulus of toughness- It may be defined as the total strain energy per unit volume which can be…
Q: O Compute the maximum value of P that will not exceed a stress of bronze of 100 MPa. Bronze Aluminum…
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Q: After an inspection it is found that a structural ceramic part has no flaws greater than 100…
A: calculate the maximum service stress (in MPa)
Q: *7-88. Nylon strips are fused to glass plates. When moderately heated the nylon will become soft…
A: STRAIN IS DEFINED AS THE CHANGE IN LENGTH UPON ORIGINAL LENGTH. P IS THE FORCE DUE TO WHICH STRAIN…
Q: At a point on the surface of a plane stressed region, measured strains reduced to the following:…
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Q: The brass shell (αb511.6 3 10–6/°F) is fully bonded to the steel core (αs56.5 3 10–6/°F). Determine…
A: The given data is as follows: αb=11.6×10-6/∘Fαs=6.5×10-6/∘FMaximum allowable stress in steel core=8…
Q: Example 8.4. A specimen of steel 20 mm diameter with a gauge length of 200 mm is tested to…
A: Find (i) The stress at elastic limit. (ii) Young's modulus. (iii) Percentage elongation.
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- tolerance is +-1 in the 3rd significant digitAfter an inspection it is found that a structural ceramic part has no flaws greater than 100 micrometers in size, calculate the maximum service stress (in MPa) available with SiC. Assume that Y= 1The assembly is composed of a steel shell and an aluminum core that has been welded to a rigid plate. The gap between the plate and the aluminum is initially 1- mm. If the assembly's temperature is reduced by 180°C, determine (a) the final axial stresses in each material and (b) the deflection of the rigid bar. To support your response, draw a deformation diagram with appropriate labels. Use the following properties: Aluminum core Steel shell Diameters (mm) d = 15 mm do = 30 mm d₁ = 20 mm E (GPa) 70 200 2 m a (/°C) 22 x 10-6 12 x 10-6
- A high-density polyethelene (HDPE) [E = 780 MPa; V = 0.46] rod has a diameter of 80 mm before load P is applied. In order to maintain certain clearances, the diameter of the rod must not exceed 81 mm when loaded. What is the largest permissible compressive load P that can be applied to the HDPE rod?The strain energy due to volumetric strain (a) Is directly proportional to the volume (b) Is directly proportional to the square of exerted pressure (c) Is inversely proportional to Bulk modulus (d) All options are correctIn machincal resistance
- 2. The Goodman diagram relates oa and om for fatigue failure after a specific number of cycles Nf, where da is the cyclic stress amplitude, and om the mean stress. For a steel specimen it is found that oa oa (0). [1- (om/OTS)] where Ors is the metal's tensile stress (375MPa), and oa (0)~0.450TS is the 107 cycle fatigue limit at zero mean stress. Assuming the specimen is cycled repeatedly between 0 stress and a peak stress, what is the maximum peak stress if failure in < 107 cycles is to be avoided? Ans: 233 MPaCompare the engineering and true secant elastic moduli for the natural rubber in Example Problem 6.2 at an engineering strain of 6.0. Assume that the deformation is all elastic.(c) A three-point transverse bending test is conducted on a cylindrical specimen of aluminium oxide having a reported flexural strength of 390 MPa. If the specimen radius is 2.8 mm and the support point separation distance is 40 mm, predict the fracturing of the specimen when a load of 620 N is applied.
- For the stress-strain diagram, which region or point represents strain hardening? 80 (4) (5) 70- (3) (6) 60- (2) 50 - 40 (1) 30- 20 - 10 - 0- Strain O 3 O 4 O 5 O 6 O 2 0 1 Sress (ksi)(b)Rupture stress: ___________________________(c)Secant modulus at stress level of 420 MPa: _____________ (d)Tangent modulus at stress level of 420 MPa: _____________(e)Determine the plastic strain at stress level of 420 MPa: _____________________________(f)If the shear modulus of the material is 55GPa, determine thePoisson’s ratio assuming the material is isotropic._____________________________(g)Determine the axial force acting on the specimen when it isextended by 0.2 mmMechanical Properties-Metals For a bronze alloy, the stress at which plastic deformation begins is 295 MPa and the modulus of elasticity (E) is 108 GPa. (a) What is the maximum load (Fy) that can be applied to a specimen having a cross-sectional area of 314 mm2 without plastic deformation? (b) If the original specimen length is 142 mm, what is the maximum length to which it may be stretched without causing plastic deformation?