STANDALONE CODE MECHANICS OF MATERIALS-M
11th Edition
ISBN: 9780137605200
Author: HIBBELER
Publisher: PEARSON
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Textbook Question
Chapter 3.4, Problem 5FP
Engineering stress and strain are calculated using the actual cross-sectional area and length of the specimen. True or false?
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To draw the shear stress-strain
diagram, the collected data needed
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Select one:
a. False
O b. True
Hooke's law is used to correlate true stress and true strain in the plastic region of the stress/strain curve.
true or false
What is the unit of strain? Select all correct answers.
m/m
no unit
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Chapter 3 Solutions
STANDALONE CODE MECHANICS OF MATERIALS-M
Ch. 3.4 - Define a homogeneous material.Ch. 3.4 - Indicate the points on the stress-strain diagram...Ch. 3.4 - Define the modulus of elasticity E.Ch. 3.4 - At room temperature, mild steel is a ductile...Ch. 3.4 - Engineering stress and strain are calculated using...Ch. 3.4 - As the temperature increases the modulus of...Ch. 3.4 - A 100-mm-long rod has a diameter of 15 mm. If an...Ch. 3.4 - A bar has a length of 8 in. and cross-sectional...Ch. 3.4 - A 10-mm-diameter rod has a modulus of elasticity...Ch. 3.4 - The material for the 50-mm-long specimen has the...
Ch. 3.4 - The material for the 50-mm-long specimen has the...Ch. 3.4 - If the elongation of wire BC is 0.2 mm after the...Ch. 3.4 - Data taken from a stress-strain test for a ceramic...Ch. 3.4 - The stress-strain diagram for a steel alloy having...Ch. 3.4 - The stress-strain diagram for a steel alloy having...Ch. 3.4 - The stress-strain diagram for a steel alloy having...Ch. 3.4 - Determine the elongation of the square hollow bar...Ch. 3.4 - The stress-strain diagram for an aluminum alloy...Ch. 3.4 - The stress-strain diagram for an aluminum alloy...Ch. 3.4 - The stress-strain diagram for an aluminum alloy...Ch. 3.4 - A structural member in a nuclear reactor is made...Ch. 3.4 - The rigid pipe is supported by a pin at A and an...Ch. 3.4 - The rigid pipe is supported by a pin at A and an...Ch. 3.4 - Direct tension indicators are sometimes used...Ch. 3.4 - A tension test was performed on a magnesium alloy...Ch. 3.4 - The stress-strain diagram for a bone is shown and...Ch. 3.4 - The two bars are made of a material that has the...Ch. 3.4 - The two bars are made of a material that has the...Ch. 3.7 - A 100-mm-long rod has a diameter of 15 mm. If an...Ch. 3.7 - A solid circular rod that is 600 mm long and 20 mm...Ch. 3.7 - A 20-mm-wide block is firmly bonded to rigid...Ch. 3.7 - A 20-mm-wide block is bonded to rigid plates at...Ch. 3.7 - The acrylic plastic rod is 400mm long and 20mm in...Ch. 3.7 - The elastic portion of the stress-strain diagram...Ch. 3.7 - The elastic portion of the stress-strain diagram...Ch. 3.7 - The lap joint is connected together using a 1.25...Ch. 3.7 - The lap joint is connected together using a 1.25...Ch. 3.7 - Prob. 32PCh. 3.7 - The thin-walled tube is subjected to an axial...Ch. 3 - The elastic portion of the tension stress-strain...Ch. 3 - The elastic portion of the tension stress-strain...Ch. 3 - The rigid beam rests in the horizontal position on...Ch. 3 - The wires each have a diameter of 12 in., length...Ch. 3 - Prob. 5RPCh. 3 - diameter steel bolts. If the clamping force in...Ch. 3 - The stress-strain diagram for polyethylene, which...Ch. 3 - The pipe with two rigid caps attached to its ends...Ch. 3 - The 8-mm-diameter bolt is made of an aluminum...Ch. 3 - An acetal polymer block is fixed to the rigid...
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- When an element of material is subjected to deformations that only occur in a single plane, it undergoes plane strain. True or false?arrow_forwardThe flow curve equation is used to correlate true stress and true strain in the plastic region of the stress/strain curve True or Falsearrow_forwardThe ratio between lateral strain and longitudinal strain is known as Poisson's ratio Select one: True Falsearrow_forward
- 2. Three tensile tests were carried out on an aluminum bar. In each test, the strain was measured at the same values of stress. The results were Stress (MPa) 34.5 69.0 103.5 138.0 Strain ( Test 1) 0.46 0.95 1.48 1.93 Strain ( Test 2) 0.34 1.02 1.51 2.09 Strain ( Test 3) 0.73 1.10 1.62 2.12 Where the units of strain are mm/m. Use linear regression to estimate the modulus of elasticity of the bar (modulus of elasticity = stress/strain).arrow_forwardHello, the stress and cycles required for this question is Stress 1 = 420MPa at 7 cycles, Stress 2 = 360MPa at 65 cycles and Stress 3 = 130MPa at 325 cycles. Use the first three cycles (which shows how many cycles at that stress level to failure) to calculate when the specimen will fail if it underwent test of 7 cycles at 420MPa, then undergoes 360MPa for 65 cycles and finally 130MPa at 325 cycles. Will the specimen fail? Please show calculations of failurearrow_forwardSIMPLE STRAINarrow_forward
- -Which of the following statement/s is NOT true?Strain is dimensionlessThe cross-sectional area affected by the rivets in a plate is πdtStrain is the total deformation of the body divided by its original length.Shear stress is directed parallel to the area upon which it acts. -Which statement is NOT true about ksi? *Kilo (psi).1000 lb1 x10^3 psi.1 x10^3 lb. -Tensile stresses and strain are considered:negative tensile stress and positive lengthnegative increase in lengthpositive increase in lengthpositive tensile stress and negative lengtharrow_forward20) If the area under the stress and strain curve is more then it is concluded that the material has high stress Select one: True Falsearrow_forward5) Extensometer in the Universal Testing Machine is used to measure the deformation on the experimental specimen. Select one: True Falsearrow_forward
- Question 8 Examine the stress-strain curves below and choose the correct statement from А B |C the ones listed below: Strain O Material C is a thermoset O Material C is a thermoplastic O Material A is a thermoplastic O Material C is an elastomer Tensile Stressarrow_forwardThe flow curve equation is used to correlate true stress and true strain in the plastic region of the stress/strain curve Question 24 options: True Falsearrow_forwardA specimen is originally 1.5 ft long, has a diameter of 0.7 in., and is subjected to a force 550 lb. When the force is increased to 1900 lb, the specimen elongates 0.9 in. Determine the strain on the specimen and the modulus of the material. a. Strain Answer: _______ in./in. b. Modulus of Elasticity Answer: _______ ksiarrow_forward
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