A. Time dependent permanent deformation is called _____. Strain is equal to B. According to Rankine's theory, the failure occurs at a point in a member. This property known as Transitive Law Associative Law Trichotomy Law Commutative Law. 21. Question. where, E is the modulus of elasticity of the material of the body. Ans: d. 2. Discussion; Sravanthi -Posted on 06 Oct 15 The results obtained in tensile test are represented graphically in the form of stress-strain curve. A ductile material is stretched by a tensile force to a point beyond its elastic limit. If the volume strain is equal to half the te ... Yield point (d) Elastic limit. Classical mechanics MCQ's 1. Answer: c Explanation: The elastic limit is that limit up to which any material behaves like an elastic material. When mild steel is subjected to a tensile load, its fracture will conform to (a) Star shape (b) Granular shape (c) Cup and cone shape (d) Fibrous shape (Ans:c) 57. B. Hooke's law holds good up to (a) yield point (b) limit of proportionality (c) breaking point (d) elastic limit (e) plastic limit. Based on maximum shear stress theory what is the factor of safety, if elastic limit of the bar is 300 Mpa? The law of Acceleration C. SQL MCQ (Multiple Choice Questions) With Answers. Directly proportional to strain . Theory of Demand MCQ Test contains 10 questions. Within elastic limit, stress is. The limit beyond which the material does not behave elastically is known as (a) Proportional limit (b) Elastic limit (c) Plastic limit (d) Yield Point (Ans:b) 56. Answer . 0. D. rupture point; 59. www.gtu-mcq.com is an online portal for the preparation of the MCQ test of Degree and Diploma Engineering Students of the Gujarat Technological University Exam. 11. which function is continuous everywhere polynomial exponential None Quadratic . b. Hooke’s Law states that within the limit of elasticity, the stress is proportional to the strain. Single. Double. Beyond this point, additional strain leads to fracture, in the given material. They are pretty much the same but also not the same.And encyclopedia britannica agrees with me,if I say they are the same : "ELASTIC LIMIT is the maximum stress within a solid material that can arise before the onset of permanent deformation. For a 25 mm hole drilled in plates, the diameter of rivet shank should be. This contains 30 Multiple Choice Questions for Mechanical Engineering Stress And Strain - MCQ Test 2 (mcq) to study with solutions a complete question bank. These Demand and Supply MCQ(Multiple Choice Questions) with Answers are important for competitive exams UGC NET, GATE, IBPS Specialist Recruitment Test. Comment * Related Questions on Strength of Materials. 12. Demand for a commodity refers … Jul 28, 2020 SQL, MCQs, rows, data, database, tables, columns, SQL Multiple Choice Questions With Answers, 35076 Views This article will help you to brush up your knowledge about SQL. Rubber B. We have Provided The French Revolution Class 9 History MCQs Questions with Answers to help students understand the concept very well. b. on the diagonal of the cross section that is far to the centre axis of the shaft. Ans: d 2. 1. Longitudinal strain is possible in the case of (a) Gases (b) Liquid (c) Only solids (d) Only gases & liquids. A. When mild steel is subjected to a tensile load, its fracture will conform to (a) Star shape NEET Physics Perfectly Inelastic Collision Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high. The maximum stress that may be developed during a simple tension test such that there is no permanent or residual deformation when the load is entirely removed. When the maximum shear stress in a biaxial stress system reaches the shear stress at elastic limit in a simple tension test. • Point B in the curve is yield point or elastic limit and the corresponding stress is known as yield strength of the material. D. Equal to strain. The law of demand states that an increase in the price of a good: a. Glass C. Steel D. Wood 17. Answers to Theory of Demand MCQ are available at the end of the last question. Strain is defined as the ratio of (a) change in volume to original volume (b) change in length to original length (c) change in cross-sectional area to original cross-sectional area (d) any one of the above (e) none of the above. C. Square root of strain. B. 2. A. elastic limit; B. proportional limit; C. yield point; D. rupture point; 60. 4. Which SQL function is used to count the number of rows in a SQL query? 61. At its elastic limit, the following statement is true, 0/E_____? View Answer. The limit of proportionality. A. The limit beyond which the material does not behave elastically is known as ____ A. A lap joint is always in _____ shear. 0.15 to 0.20 B. [Elastic Limit] 7 people answered this MCQ question Elastic Limit is the answer among Elastic Limit for the mcq Stress-strain diagram for low carbon steel/mild steel is shown below in the Fig. Join The Discussion. Hooke’s Law Formula: Mathematically, Hooke’s law is commonly expressed as: F s = k.x. The point A is the Elastic limit in the graph. 0.20 to 0.24 C. 0.25 to 0.33 D. 0.33 to 0.35 Answer => (C) 0.25 to 0.33 . 1. 10. A. Answer. Question 5. Pick up wrong statement. The law of Inertia B. (A) 0 (X) (B) 0.33 (X) (C) 0.44 () (D) 0.25 (X) Answers: A cylindrical rod subjected to a tensile strain within the elastic limit undergoesa volume change. The straight line relationship is expressed in Hooke’s law. The point 'A' on the Fig. Investigating Hooke’s Law. Ans: d. 22. Every bounded and infinite sequence of real numbers has at least one limit point. It itself states that stress is proportional to the strain within the elastic limit. Elastic Limit: It is the point in the graph upto which the material returns to its original position when the load acting on it is completely removed. the point at which maximum stress is observed on the metal. Newton's Second Law are also known as _____ A. When the maximum principal stress in a biaxial stress system reaches the elastic limit of the material in a simple tension test. C. Both A and B. D. None of these. 2. Poisson’s ratio for steel within the elastic limit ranges from? 16. Where, F s = spring force k = spring constant x = spring stretch or compression. C. Theory of Demand MCQ, which are covered in this chapter, relate to the topic, Theory of Demand. 1. Q1. Answer: (c) Only solids. MCQ Questions for Class 9 Social Science with Answers were prepared based on the latest exam pattern. represents the 2 c. 2.5 d. 3. • The point D on the curve shows the tensile strength of the material. Answers to Economics MCQs are available at the end of the last question. At its elastic limit, the following statement is true, 0/E_____? 1. Beyond this limit the material cannot return to its original position and a plastic deformation starts to appear in it. The limit beyond which the material does not behave elastically is known as (a) Proportional limit (b) Elastic limit (c) Plastic limit (d) Yield Point. Home >> Category >> Mechanical Engineering (MCQ) questions and answers >> Theories of Elastic Failure; 1) A circular bar is subjected to an axial force and shear force, the difference between two principle stresses is 120 Mpa. Question.26. Elastic limit is the point _____ a) up to which stress is proportional to strain b) At which elongation takes place without application of additional load c) Up to which if the load is removed, original volume and shapes are regained d) None of the mentioned View Answer. refers to the point beyond which Hooke's law is no longer true when stretching a material. force x extension Which area represents the net work done on the sample? 3. Proportional limit B. Elastic limit C. Plastic limit D. Yield Point 18. Every pair of real numbers a and b satisfied the following conditions a > b, a = b, a < b . Maximum shear stress = /2 C. Strain energy = 0 0²/2E × volume D. All the above. The law of supply states that an increase in the price of a good: a. View Answer. The point E is referred to as the elastic limit as it is usually beyond point P. Beyond point E, the spring deforms permanently and is said to be plastic. Home / Civil Engineering MCQ / Poisson’s ratio for steel within the elastic limit ranges from? A. increase total revenue to farmers as a whole because the demand for food is elastic B. increase total revenue to farmers as whole because the demand for food is inelastic C. reduce total revenue to farmers as a whole because the demand for food is elastic D. reduce total revenue to farmers as a whole because the demand for food is inelastic. 23mm; B. The supply of a good refers to: (a) Actual production of goods (b) Total stock of goods (a) Elastic Limit (b) Proportional Limit (c) Plastic Limit (d) Yield point Question.25. c. Increases the quantity supplied of that good. Economics Questions and Answers, which are covered in this chapter, relate to the topic, Theory of Supply. Strength of Materials MCQ SET-3 . Strain is defined as the ratio of (a) change in volume to original volume (b) change in length to original length (c) change in cross-sectional area to original cross-sectional area (d) any one of the above (e) none of the above. Shear Force & Bending Moment Multiple Choice Questions. Stress ∝ Strain or Stress = E x Strain . A. Answer: (b) 0. Multiple Choice Questions Unit-2: Demand Analysis 1. a..5 b. This stress-strain curve can be used to identify the different properties of a metal regarding its elastic limit, the point of ultimate tensile stress i.e. d. None of these answers. 24.5mm; C. 25mm; D. 26mm; Answer: A Check the below NCERT MCQ Questions for Class 9 History Chapter 1 The French Revolution with Answers Pdf free download. B. A. Inversely proportional to strain. The tensile force is then reduced to zero. None of these answers. Increases the supply of that good. • The curve beyond B shows the region of plastic deformation. Mcq Added by: Muhammad Bilal Khattak. Theory of Structures Theory of Structures. Choose what happens inelastic collisions, A. both of the momentum and total kinetic energy are conserved only the total kinetic energy is conserved. Explanation: The hooke”s law is valid under the elastic limit of a body. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. For the shafts having square cross sections, the maximum shear stress occurs at a point . Question 6. Check the below NCERT MCQ Questions for Class 11 Physics Chapter 9 Mechanical Properties of Solids with Answers Pdf free download. The graph of force against extension is shown below. Answer: Option B . ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to (a) dynamic loading (b) static loading (c) combined static and dynamic loading (d) completely reversed loading (e) all of the above. The coefficient of restitution e for a perfectly inelastic collision is (a) 1 (b) 0 (c) Infinity (d) -1. Which of the following material is more elastic? Strength of Materials Multiple choice Questions :-1. Answer: (d) Elastic limit. A. 8. 1. Go To Download Page Close 1 Normally a demand curve will have the shape: Economics Questions and Answers Test contains 10 questions. MCQ on Perfectly Inelastic Collision. (a) Plastic deformation (b) Elastic deformation (c) Creep (d) Anelastic deformation 2. The materials which have the same elastic properties in all directions are called _____ a) Isotropic b) Brittle c) Homogeneous d) Hard View Answer. The solved questions answers in this Stress And Strain - MCQ Test 2 quiz give you a good mix of easy questions and tough questions. Material Science/Mechanical Properties of Metals Multiple Choice Questions Satish V. Kailas/IISc, Bangalore M4/V1/June 04/1 Multiple Choice Questions: 1. a. on the edge of the cross section that is closest to the centre axis of the shaft. B. Answer. b. Decreases the quantity demanded for that good. Although a spring is described in this case, Hooke’s law holds good to any object, provided the proportionality limit has not been exceeded. Of the shaft area represents the net work done on the curve beyond b shows the region Plastic! Square cross sections, the stress is proportional to the strain within the limit! 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