Which of the following statements is correct for brittle materials. a) It breaks soon after elastic limit is crossed b) It shows significant plastic deformation before breaking c) It is used to make wires d) Stress is never proportional to strain

Q: 2. A cube with a length of 10cm is made up of Aluminum metal (S = 25x10⁹ Pa). A horizontal shear…

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Q: Bones, on the whole; do not fracture due to tension or compression. Rather they generally fracture…

A: Option e is correct. Bones fracture due to compression only. Rather they generally fracture due to…

Q: The quantity that describes the deformation, it is a fractional change in either length…

A: whenever an object experiences force, there will be a stress generated. now due to stress, there…

Q: A bridge, which made of carbon-steel, is expected to subject to 100 tons. Explain how you could…

A: SOlution: To determine the deformation type of bridge on loading.

Q: What is the difference between elastic strain and plastic strain?

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Q: If a 110 ft steel measuring tape with a cross section of 0.008 in² is stretched with a force of 20…

A: When the tape is stretched with the help of the force, the length of the tape will increase.…

Q: 1. (a) (b) Explain the difference between Griffith and Irwin's approach to determine the critical…

A: Solution:-   1).  Griffith's hypothesis of fragile crack can be re-deciphered as a basic instance of…

Q: When using the Method of Sections, if I cut through a member and I assume that the member was in…

A: When using the Method of Sections, if I cut through a member.

Q: A marble column with a cross area of 1.4 m² supports a mass of 20,000 kg. Determine (a) the stress…

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Q: Identify the tensile strength/elasticity and choose which is the best banana variety that can be…

A: Tensile strength refers to the amount of force a material can withstand before breaking under…

Q: Below is the stress-strain curves of four different materials (A, B, C, and D). Make a brief…

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Q: QI/ The table below shows the values of stress amplitude and life cycles : Fatigue strength SE (Mpa)…

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Q: 40° P3) Add the following 2-D rock stress states, and find the principal stresses and directions of…

A: Detailed explanation: Add the two-dimensional rock stress states that have been provided, as well as…

Q: 7). is related to the change pressure divided by the change in length of the sample. (a) Poisson's…

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Q: 1. A piece of 180mm long by 30mm square is in compression under a load of 90kN as shown in the…

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Q: Q5. A specimen having a square cross section of dimensions 4 mm × 4 mm is to be subjected to a…

A: Data Given ,  Dimensions of the square = 4 mm × 4 mm So , L = 4 mm = 4 × 10-3 m So , Area of the…

Q: Question 6 To preserve your two favorite trophies, you have coated both trophies with a 1 mm…

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Q: Which of the following statements is correct for ductile materials. a) Large deformation takes…

A: To ind: correct statement for ductile materials.

Q: A Strain Strain Stress Stress B.

A: Correct option is A  i e material A is stronger than B .

Q: A steel wire of diameter 1mm can support a tension if 0.2kN. determine the diameter of a steel cable…

A: Given: The initial diameter of steel wire is D1=1 mm. The initial tension in steel wire is F1=0.2…

Q: As we discussed in this chapter, the strength-to-weight ratio of material is an important criterion…

A: mass density (kg/m3)Aluminum alloy =2700 (taking avarage value from given range )Titanium…

Q: a principle of physics states that for a relatively small deformation of an object, the displacement…

A: Deformation : Deformation is the change in the configuration of a a rigid object in response to the…

Q: The modulus of elasticity for mild steel is approximately equal to:    A) 210 kN/mm2 B) 100 kN/mm2…

A: An elastic modulus is a quantity that measures the substance resistance to being deformed…

Q: elastic plastic, 0 0.002 0.004 0.006 0.008 Strain & (mm/mm) Why is there a common behavior between…

A: Why there is common behavior between plastic and elastic.

Q: Defined as the ratio of the ultimate strength to the specific weight A Specific Strength B Specific…

A: Concept: The Specific strength of a substance (or muscle) is equal to its density divided by its…

Q: escribe an experiment to measure the modulus of elasticity of a metal wire.

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Q: The body will remain it is previous shape and size only when the deformation caused by the external…

A: Introduction: The elastic deformation is temporary deformation in the object, it occurs in the…

Q: 3): Answer the followings (Only Ten)? 1. In Taylor-Orowan dislocation, The amount of force required…

A: In Taylor-Orowan dislocation. The amount of force required to form and move an edge dislocation is…

Q: If the deformation produced in 20 mm length rod is 0.085 mm, the strain is equal to: Select one: a.…

A: (d) 0.00425

Q: Portable (notebook) computers and digital cameras can have their housing made of magnesium. Why

A: Housing made of magnesium are lightweight and strong and have excellent heat removal…

Q: 213. The rigid bar AB, attached to two vertical rods as shown in the figure, is horizontal before…

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Q: 1. The second floor portion of a house is about to break down, so it was propped up by an iron…

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Q: Explain about Bulk Stress and Strain.

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Q: 1. A polycrystalline cylindrical rod 120 mm long and having a diameter of 10 mm is to be deformed…

A: Given data: The  length of rod is l=120 mm. The diameter of rod is d=10 mm. Tensile force in rod is…