stress and strain questions and answers pdf

(b) elasticity

Ans: a, 83. (b) cannot balance each other (b) F between W and P (d) unpredictable Ans: c, 6. (b) mechanical advantage is equal to velocity ratio (e) 500. (d) coefficient of friction Ans: c, 148. (e) half. (d) mechanical advantage is unity (e) impact energy. (d) tensile strain decreases in proportion to the stress (a) bodies having relative motion Ans: c, 128. (d) kg/cm2 Which of the following is not the unit of energy (a) mm/mm Then which is correct statement about density of metal Mechanics of Solids MCQ question on Simple Stress and Strain (c) capability of being cold worked (c) become four times ), Answer outline and marking scheme for question: 1, a) i) stress = force / (cross sectional) area, ii) strain = extension / (original) length, b) i) elastic returns to its original length /shape when the force/load is removed, plastic does not regain its original length/size when the load is removed, (allow 1/2 if removal of load is not specified but remainder is clear), ii) force/stress/strain/extension beyond which the material does not return to its original length (when the load is removed). (e) minimum force of friction. (a) kinematic viscosity Ans: a, 129. and extends by 0.2 mm.

(b) 50 Stress and Strain. 15 signs your job interview is going horribly, Time to Expand NBFCs: Rise in Demand for Talent, Strength Of Materials Interview Questions.

Ans: d, 44. Kinetic friction is the (e) any one of the above. (b) metal is twice as dense as water second wire, micrometer used for diameter, Vernier for extension, very long wire.
(a) balance each other (b) It is more sensitive to changes in both metallurgical and mechanical conditions (a) more inclined when moving (a) It does not exist (a) equal to the hoop stress (a) resilience If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella (a) h/2 (a) 0.01 to 0.1 How to Convert Your Internship into a Full Time Job? (d) circle (c) two lubricated surfaces (d) W, P and F all on one side Ans: d, 98.

The C.G. Ans: d, 73. (e) proof stress. (a) resilience Ans: b, 18.

(d) rupture stress Dynamic friction as compared to static friction is

Top 10 facts why you need a cover letter? Ans: a, 42. When it is indicated that a member is elastic, it means that when force is applied, it will (c) first increase and then decrease (d)3/-2 (b) tensile stress Ans: d, 28.

The elasticity of various materials is controlled by its (b) fatigue stresses Ans: a, 113. Mechanical Engineering Interview Questions, Maintenance and Manufacturing Interview Questions, Maintenance, repair and operations (MRO) Interview Questions, Maintenance and Manufacturing Practice Tests, Business administration Interview questions, Cheque Truncation System Interview Questions, Principles Of Service Marketing Management, Business Management For Financial Advisers, Challenge of Resume Preparation for Freshers, Have a Short and Attention Grabbing Resume. (e) working stress. Using the following information on stress and strain, plot a graph in Excel to determine the Young’s modulus for an unknown material. Stress, strain, Young’s modulus – problems and solutions. (a) tensile strain increases more quickly The ultimate tensile stress of mild steel compared to ultimate compressive stress is

In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are (e) 240 m.

How much energy is stored in a 1m length of the wire when the strain is 1.0 x 10-3? Resilience of a material is considered when it is subjected to The ratio of lateral strain to the linear strain is a constant for a given material, when the material is stressed within the elastic limit.

(b) homogeneous section In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is

Topic 7. Mathematically stress is written as.

thanking You, sir (b) number of cycles it undergoes before failure (c) rolling friction

(c) brass (b) half (c) 16 tonnes/cm2 State The Two Conditions Employed In Solving A Composite Bar Subjected To An Axial Load? (e) seamless section. (e) single riveted double cover butt joint. (b) corrosion resistance by spraying A beam is loaded as cantilever. Stress: The force of resistance per unit area, offered by a body against deformation is known as stress.

They also obey HOOKE'S LAW. (c) elasticity Chapter-1. (e) equal to that necessary to stop it. What Is Sketch A Composite Bar? (b) 2.1 X 106 kg/cm2 (c) wattr

(e) none of the above. (a) ideal materials (e) static friction. (c) breaking

(b) 8 tonnes/cm2 (a) of same magnitude as that of bar and applied at the lower end

In question 56, the internal reaction in bottom 80 cm length will be A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an unknown fluid. Ans: a, 102. (d) modulus of elasticity The stress induced in a body, when subjected to two equal and opposite pushes, as a result of which there is an decrease in length, is known as compressive stress. (c) both (a) and (b) above Ans: b, 13. Define Compressive Stress And Compressive Strain?

(a) 50% Ans: c, 34. Read This, Top 10 commonly asked BPO Interview questions, 5 things you should never talk in any job interview, 2018 Best job interview tips for job seekers, 7 Tips to recruit the right candidates in 2018, 5 Important interview questions techies fumble most.
(d) ultimate tensile stress (b) more

(e) toughness.. (e) none of the above. (e) none of the above. Kindly send PDF files of all mechanical subjects, really helpful.

Ans: c, 27. (a) malleability (c) stress at yield point A nylon string has a diameter of 2 mm, pulled by a force of 100 N. Determine the stress! Ans: b, 64. (a) frequent heat treatment

A flywheel on a motor goes from rest to 1000 rpm in 6 sec. Ans: b, 19.

In ideal machines (c) one-third (e) none of the above. When two plates are butt together and riveted with cover plates with two rows of rivets, the joi;it is known as The stress induced in a body due to suddenly applied load compared to when it is applied gradually is (b) hard (d) load at breaking point/neck area Ans: c, 4. (b) half %��������� If the chain breaks at once at this moment the whole load of the body begins to act on the platform.

(b) increase uniformly A kitchen freezer of total mass 300 kg (including contents) rests ona vinyl plastic floor covering. The radius of the material is 4 cm. (d) 60° (d) cast iron (d) not stretch (c) angle of repose (a) volumetric stress and volumetric strain Ans: b, 65. (c) 0% Ans: c, 58. Ans: c, 105. So track your future as Biomedical engineer, Project Manager, Quality Manager, Material Engineer Environmental Engineer by looking into Strength of Materials job interview question and answers given. (c) half (b) size of the drilled or reamed hole Which of the following has no unit Poisson’s ratio is defined as the ratio of (d) ail of the above. (b) tensile stress (e) glass. Ans: c, 89. (b) less inclined when moving (a) r/2 (c) second order (d) toughness (d) mechanical advantage is unity Efficiency of a riveted joint is the ratio of its strength (max.

(d) 0.134 r (a) pitch (d) malleability Rivets are made of following type of material (e) none of the above. Ans: d, 93. Required fields are marked *. (e) none of the above. (b) plastic point of the material A particle inside a hollow sphere of radius r, having coefficient of friction -rr can rest upto height of (a) not deform (a) 25 (e) drawabihty.

Are you a person with bachelor degree in material science? Ans: d, 86. The ratio of increase in length to th original length is known as compressive strain. This is very good matter kindly send pdf file in mechanical muti choice question, Really helpful..Kindly send the pdf files of all topics in Mechanical engineering multiple choice qstns. A riveted joint in which every rivet of a row is opposite to other rivet of the outer row, is known as (c) change in cross-sectional area to original cross-sectional area (d) elasticity (d) fatigue resistance by over-stressing the metal by successively increasing loadings

(a) chain riveted joint (c) perfect section 5 Top Career Tips to Get Ready for a Virtual Job Fair, Smart tips to succeed in virtual job fairs. Topic 9. On further releasing the chain, the platform goes on loading till it is fully loaded by the body. (d) hardness

The effort required to lift a load W on a screw jack with helix angle a and angle of friction
(e) maximum power it can transmit at highest possible-speed. A thin mild steel wire is loaded by adding loads in equal increments till it breaks. Ans: a, 99. (e) plastic limit. (e) longitudinal stress and lateral strain. In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with the time at a constant load is called The stress at which extension of the material takes place more quickly as compared to the increase in load is called (a) uniform throughout (a) tangent of angle between normal-reaction and the resultant of normal reaction and limiting friction (d) extreme value (b) 0.23 to 0.27 The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be (e) unpredictable. (e) none of the above.

Ans: b, 100. (b) decrease (c) hyperbola Topic 3. Which of the following materials is most elastic

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