9) A 2 mm-diameter spherical water droplet with surface tension coefficient of 0.074 N/m². The pressure inside the droplet is -----. (a) 37 kPa (b) 80 kPa (c) 74 Pa (d) None of these 10) For Newtonian fluids, the relation between the shear stress and the rate of deformation (du/dy) is---- (a) Non linear (b) linear (c) none of the above

9) A 2 mm-diameter spherical water droplet with surface tension coefficient of 0.074 N/m². The pressure inside the droplet is -----. (a) 37 kPa (b) 80 kPa (c) 74 Pa (d) None of these 10) For Newtonian fluids, the relation between the shear stress and the rate of deformation (du/dy) is---- (a) Non linear (b) linear (c) none of the above

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The stress condition at one point of an aircraft is shown in the figure. 472216 40 MPa 200 MPa 80 MPa (a) Calculate the principal stresses (b) Calculate the maximum in-plane shear stress and the average normal stress by analytical method and plotting the Mohr's circle. For each case, determine the element orientation and plot the stress state. (c) Calculate the maximum absolute shear stress at the same point.
Knowing that the maximum allowable stress is 43 MPa, determine the magnitude of the largest moment M that can be applied to the component shown. M B M' A qu 36 mm 150 mm 45 mm 135 mm The magnitude of the largest moment M that can be applied to the component is 14.41 kN.m.
The column is subjected to an axial force of 8 kN, which is applied through the centroid of the cross-sectional area. Determine the average normal stress acting at section a-a. Show this distribution of stress acting over the area’s cross section.
Stress
2. For the state of stress shown, determine the range of value of for which the normal is equal to or less than 100 MPa and 50 MPa. stress x' + 90 MPa 60 MPa =
Knowing that the couple shown acts in a vertical plane, determine the stress at (a) point A, (b) point B. (a) GA= (b) B = +201 B. 40 20 Dimensions in mm MPa MPa 20 80 20 T N M = 12 kN - m
4- The stress tensor at a point under the working load condition is given. The yield stress of the material in uniaxial tension test is Fy (MPa). Based on the von Mises criterion, calculate the factor of safety of the stress state against failure if all stresses are increased proportionally to reach the yield surface. Fy (MPa) 25 50 0 σ= 50 100 0 MPa 0 0 280 -50
The state of stress at a certain point in a stressed body is as shown in the figure. Normal stress in x-direction is 80 MPa (Tensile) and in y-direction is 40 MPa (Compressive). The radius of the Mohr's circle for this state of stress will be O, = 40 MPa O, = 80 MPa + Ox = 80 MPa Oy = 40 MPa (а) 60 MPа (b) 40 MPa (c) 20 MPa (d) 10 MPa
2) In a static fluid (b) fluid pressure is zero (c) linear deformation is small (e) viscosity is nil. (a) resistance to shear stress is small (d) only normal stresses can exist 3) When the flow parameters at any given instant remain same at every point, then flow is said to be (d) uniform (e) Static. (a) Turbulent (b) Steady state (c) laminar
Knowing that the couple shown acts in a vertical plane, determine the stress at (a) point A, (b) point B. (a) GA= (b) B = +201 B. 40 20 Dimensions in mm MPa MPa 20 80 20 T N M = 12 kN - m
5
SOLID MECHANICS