The strain at failure is very small for __________ Select one: a. Aluminum b. Copper c. Mild Steel d. Cast Iron
Q: Cold working of metals will give better final properties than hot working. Select one: True False
A: Hot and cold working: Important difference between these processes is hot working is done at high…
Q: d) Based on Table Q2, describe a suitable class of steels that can be used in the following…
A:
Q: What is torsional stress?
A: When the twisting load is applied over the body or a shaft, then the shear stress generated is…
Q: Name five elements that should generally be removed from steel to improve toughness.
A: In steel there are various types of the alloying element which can improve and reduce some specific…
Q: A typical value for the stiffness of aluminium alloy is... Select one: O a. None of these options O…
A: Option b is correct.
Q: Q1/ (a) How are steel classified as low carbon, medium carbon, high carbon steels? Give application…
A:
Q: 2. Which property of this steel is significant to the failure analysis? The steel can Options:…
A: Option c is correct.
Q: Q1. Which one statement most accurately describes the relative strength and toughness for materials…
A:
Q: 6. True or false? Hardenability is a qualitative measure of the rate at which hardness drops off…
A:
Q: The property of a material due to which it breaks with little permanent distortion, is called…
A: Malleability is the property of the material to deform its shape under the influence of pressure.…
Q: Cold working of metals will give better final properties than hot working. Select one: True False
A: Solution:
Q: When a material is subjected to repeated stresses it will not fail without any prior indications.
A: When we apply repeated load on a material, then the properties or strength of the material will…
Q: strain at failure in
A: Given; Compliance of the UTM is constant and is given by 5×10-8m/NDetermine the strain at failure in…
Q: Q2: Hooke's Law can be used in which region of the stress-strain diagram? Elastic Necking Inelastic…
A:
Q: Draw stress-stain curve with plastic and elastic deformation
A: To draw : stress-stain curve with plastic and elastic deformation
Q: what is ductility for 304 Stainless Steel and 6061-T6 aluminum
A: Following is the answer for the quetion given.
Q: Describe the State of Stress caused by the combined loadings?
A: Combined loading: In combined loading conditions, the specimen/ component is subjected to various…
Q: Why may ultimate strength be greater than rupture strength?
A: The given problem is for ductile materials because for brittle materials there is no plastic…
Q: Define stress. What are the causes and reaction to stress.
A: Concept: Stress : It is defined as normal force to the cross-sectional area when the normal force…
Q: In hardness test, a force of 3000 kgf applied using steel ball of 10 mm, the result hardness value…
A:
Q: What is the dynamic stress?
A: Stress: Stress is defined as the developed force in the specimen per unit area when that specimen is…
Q: On a stress strain curve for structural steel, show various points like proportional limit, elastic…
A: Objective: To draw the stress-strain curve for steel, show points like proportional limit, elastic…
Q: Q3 a) How the hardness of a mild steel specimen is determined using a Brinell hardness testing…
A: Since you have posted multiple independent questions we will solve the first question for you To get…
Q: A. What is the amount of cyclic acceptable for 1045 steel and 2014 T6 Aluminum alloy material if a…
A: given; A. What is the amount of cyclic acceptable for 1045 steel and 2014 T6 Aluminum alloy material…
Q: What is the tensile stress?
A: When there is loading over a member in the direction of its axis, then stress produced under such…
Q: Vickers Hardness Number (HV) value is inversely proportional to a. Indentation mean diagonal b. All…
A:
Q: Using various tables, determine the specific strength (yield strength-to-density ratio) in unit of…
A: From the tables, obtain the yield strength and density for each material. To find: Specific…
Q: 2) Which one of the following material is having high toughness a. High carbon steel b. Medium…
A: The carbon content of medium-carbon steel ranges from 0.25 to 0.60 wt. per cent, with manganese…
Q: Why should stress not exceed the material by design?
A: Every component is designed based on working stress which will acts on the component during its…
Q: points on the stress-strain curve for medium-carbon ste
A:
Q: What is Ultimate stress?
A: Ultimate Stress The ultimate stress recognizes as the maximum value of stress that a material can…
Q: The ultimate tensile stress of mild steel compared toultimate compressive stress is O more O less O…
A: Concept: 1)Mild steel is a ductile material. 2) For ductile materials, ultimate strength in tensile…
Q: 6.43. The simple expressions for Rockwell hardness num- bers in Table 6.9 involve indentation, 1,…
A: As per our comapany guidelines we are supposed to solve 1 question only., please post the rest as…
Q: The shear strength of a metal is commonly determined in which one of the following tests: Group of…
A: The below table describes the determination of corresponding stress for a corresponding test.…
Q: 1. Explain how Jominy test results can be used to validate a particular steel grade for a specific…
A: Jominy test is used to measure the hardenability of the steel.
Q: differentiate allowable stress , ultimate stress and actual stress
A: To find : differentiate allowable stress , ultimate stress and actual stress
Q: What is the general state of Stress?
A: The general state of stress at a point is 3 normal stress and 6 shear stress.
Q: a) Draw stress-strain curves for mild steel and TOR steel b) Proportional Limit or Elastic Limit
A:
Q: the maximum stress at which material fail on a specified number of cycle? نقطة واحدة Fatigue…
A: Fatigue strength: It is the maximum Stress at which material fail on the specific number of cycles.…
Q: Describe shear stress?
A: Shear stress When a body undergoes a load and deformation is caused by the stress that is parallel…
Q: A typical value for the yield stress of mild steel would be? Select one: O a. 200 GPa O b. 100 MPa O…
A: Option c is correct.
Q: tensile strength
A: when weight and energy is the criterion for design the then required material having high tensile…
Q: it is the largest value of stress that can be safely carried by a material.
A: The maximum safe stress that a material can carry is termed as the allowable stress. The…
Q: 12. What are is an impact tests. Sketch the impact testing machine setup and explain the basic…
A: Given Specimen To find a. Impact test b. Impact test machine setup c. Basic principle of impact test…
Q: A material has an mean indentation diameter of 3.64 mm created by a 5 mm diameter Brinell Indenter.…
A: Given data Mean indentation diameter (d) = 3.64 mm Diameter of brinell indenter (D) = 5 mm Hardness…
Q: tigue test specimen of a steel whose tensile
A: Given data Tensile strength= 125 ksi Number of cycle= 1000 Required Fatigue strength of the…
Q: the value of estimated shear yield stress,
A: Given; Homogeneous state of stress for a metal part undergoes plastic deformation is given in…
Q: What is Normal Stress?
A: Normal Stress: When the stress is acting in the direction perpendicular to the body then it is said…
The strain at failure is very small for __________
Step by step
Solved in 2 steps with 1 images
- What are the ultimate strengths in tension and in compression for ASTMA48 Grade 40 cast iront34. Stress is given by the following formula: (choose correct sentences) a. 8 = # b. 8 === c. 8 = Ex d. 8 = _applied force cross section area 35.Types of cast iron are: a. Low cast iron, Medium cast iron and High cast iron b. Gray, White, Malleable and Ductile c. Low-carbon, Medium-Carbon and High-Carbon d. Black, Gray and WhiteThe critical stress element of a machine part is provided below. The engineer is considering two materials and the factor of safety is a concern. a. AISI 1025 CD steel (Sy 415 MPa, Sut = 505 MPa) b. ASTM Class 30 Gray Cast Iron (Sut = 214 MPa and Suc = 751 MPa) 70 MPa 80 MPa For a Non-Conservative Design, which of the two materials do you consider safe and why? 60 MPa
- A typical value for the yield stress of mild steel would be? Select one: a. 200 GPa O b. 100 MPa O c. none of these options O d. 650 MPa O e. 300 MPa O f. 70 GPa O g. 12 kNwhat is ductility for 304 Stainless Steel and 6061-T6 aluminumPlease match Heat-Treated Steels with their hardness HB numbers, according to the charts shown below. a) SAE 1040 WQT at different Temperatures b) SAE 4140 OQT at different Temperatures c) SAE 4340 OQT at different Temperatures SAE 1040 WQT 1000 SAE 4140 OQT 1000 SAE 4140 OQT 1100 SAE 4340 OQT 800 a. HB = 415 b. HB = 341 c. HB = 311 d. HB = 269
- Mechanical Engineering QuestionDegree of drawing is measured in terms of; Reduction in strain O Reduction in area O Reduction in force O Reduction in stress In a hot chamber die casting machine; Nonferrous alloys with low Tm are casted O Ferrous alloys with high Tm are casted Nonferrous alloys with high Tm are casted O Ferrous alloys with low Tm are casted *1. What is the influence of the keyway on the failure? Options: a. It acts as a stress concentration. b. It breaks atomic bonds, causing a weaker microstructure in the steel. c. It interrupts the stress distribution, lowering the overall stress in the shaft. 2. Which property of this steel is significant to the failure analysis? The steel can Options: a. form carbides that strength it b. be heat treated in order to improve its strength. c. be strain-hardened. 3. Which feature of the tensile test specimen fracture surface gives the final clue in solving this case? Options: a. absence of striations b. presence of dimples c. absence of cleavage features