A bar with a solid square cross-section is composed of three sections of equal length. The outer sections are made from material A and the middle section is made from material B, as shown in the figure. Assume the stress-strain curves for the particular materials used are as shown. a. What is the change in the length of the bar if a tensile load of 112 kN is applied? The square cross-section has 2 cm sides and the length of each part is 2 m The elastic modulus of material A is 150 GPa and the elastic modulus of material B is 100 GPa. b. When the bar in Part B is unloaded, it will have a permanent change in length. What is this permanent change in the length?

A bar with a solid square cross-section is composed of three sections of equal length. The outer sections are made from material A and the middle section is made from material B, as shown in the figure. Assume the stress-strain curves for the particular materials used are as shown. a. What is the change in the length of the bar if a tensile load of 112 kN is applied? The square cross-section has 2 cm sides and the length of each part is 2 m The elastic modulus of material A is 150 GPa and the elastic modulus of material B is 100 GPa. b. When the bar in Part B is unloaded, it will have a permanent change in length. What is this permanent change in the length?

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.71P: 1.71 The thermal conductivity of silver at 212°F is 238 Btu/h ft °F. What is the conductivity in SI...

See similar textbooks

Similar questions

find the difference between point A and B. Take S=0.876 for Benzene and S=0.81 for Kerosene. * Kerosene Air 41 |10 cm 21cm cm 9cm | 15 cm Benzene Mercury Water
Given the following conditions: Q= 0.05 m/s P1 = 12.5 kPa P2 = 11.5 kPa P3 = 10.3 kPa Find HL (1-2)
How many kilograms of nickel must be added to 5.66 kg of copper to yield a liquidus temperature of 1200°C? Use Animated Figure. kg i
Which of the following is the unit for electrical conductivity? Select one: O (Q-m) -1 O (Q-mm) O m/S O Q-m In a stress strain curve of mild steel, the elastic limit will be before the limit of propor ype here to search 99+ hp fs 米 f5 f6 f7 1- f8 fg & 7 V 3 6. 8. 9/6 4+ %24 %23
Q4. Two are applied to the pipe AB as shown. Knowing that the pipe has inner and outer diameters equal to 35 and 42 mm, respectively. Determine the normal and shear stresses at (a) point a, (b) point b.
Current Attempt in Progress Thetemperature of a Pyrexdisk is changed from 14.2°C to 62.8°C. Its initial radius is 8.76 cm; its initial thickness is 0.59 cm.Take these data as being exact. What is the change in the volume of the disk? Assume a = 3.2x10/c". Number Units This ariswer ha5 no units * (degrees) m kg Attempts: 0ot Save for Later m/s mis2 N kgm/s or Ns N/m*2 or Pa m*3 times
When stress is applied to a liquid over an application time tp the liquid needs a relaxation time tc to accordingly deform. Relaxation time tc is a physical property of liquids. The Deborah number is De= tdt, . The lower the Deborah number of a stress applied to a material the more.. : Select one: O The material behaves like a solid O The material behaves like visco-elastic O The material behaves like a liquid
LAL 12 The density of a solid is its mass divided by its volume. If the less is measured as 42.5 ± 0.5 g and the volume as 54 ± 1 cm³, what it be the worst possible error in the calculated density?
A cable is attached to a 1.40 kg block A, is looped over a fixed peg at C, and is attached to plate B.(Figure 1) The coefficient of static friction between the plate and the block is u4 = 0.150, the coefficient of static friction between the plate and the inclined plane is uR = 0.300, and the coefficient of static friction between the cable and the peg is uç = 7.00x10-2. If the plane's angle is 30.0 degrees, what is the maximum mass that plate B can have such that it does not slide down the plane? Express your answer numerically in kilograms to three significant figures. • View Available Hint(s) vec ? mB = kg
-800- Dimensions in mm F1 600 F2 F3 900 3. -560-480- What is the x component of F1=701 N?
12 The density of a solid is its mass divided by its volume. If the mass is measured as 42.5 ± 0.5 g and the volume as 54 ± 1 cm', what will be the worst possible error in the calculated density? (787124 kg/m3)
1.71 The thermal conductivity of silver at 212°F is 238 Btu/h ft °F. What is the conductivity in SI units?