11.A cylinder of 125 mm radius rotates concentrically inside a fixed cylinder of130 mm radius. Both cylinders are 300 mm long. Determine the viscosity of theliquid which fills the space between the cylinders if a torque of 0.88 N-m isrequired to maintain an angular velocity of 2 rad/sec. Assume the velocitygradient to be a straight line.rotatingcylinder300 mm5mm125 mma.0.13 Pa-sC.b.0.15 Pa-sPrd.fixedcylinder0.17 Pa-s0.19 Pa-s

Answered: 11. A cylinder of 125 mm radius rotates…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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An 800 N-m couple is applied to the flywheel as shown. The coefficient of belt friction is 0.20. The minimum force P required to prevent rotation of the flywheel is applied. a.) Which Tension is larger, TA Oor TB? Explain b.) What is the angle of contact in radians? c.) What is the value of the ratio TA/TB? 800 N.m 60 60° A B
3. Two coaxial cylinders 250 mr high have a liquid in between them, the outer cylinder had internal diameter 100 mm and the internal cylinder has external diameter 97.5 mm. Find the viscosity of liquid which produces a torque of 1 Nm upon the inner cylinder when outer one rotates at 90 rpm.
I Q7. Capillary A 0.4 mm diameter glass tube is inserted into water at 15 °C in a cup. If the contact angle is taken as 15 degrees, what is the height the water rises in the tube? Report the value in cm.
If a torque of M = 300 N ⋅ m is applied to the flywheel, determine the force that must be developed in the hydraulic cylinder CD to prevent the flywheel from rotating. The coefficient of static friction between the friction padat B and the flywheel is μs = 0.4.
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The wheels of the refrigerator of the figure are stuck and will not turn. The refrigerator weighs 600 N. Assume a coefficient of friction between the wheels and the floor of 0.6 and determine the force necessary to cause the refrigerator to just start to move (impending motion). Also determine the maximum height h at which the force can be applied without causing the refrigerator to tip over.
ANVAS Student Portal B2308-57 R Knowing Question Bank - Friction Two concrete blocks weighing 1800N each form part of the retaining wall of a swimming pool. Will the blocks be in equilibrium when the pool is filled and the water exerts the line loading shown? 300 mm - 540 mm A=05 540 Plastic mm liner 6 N/mm Technology Drun 14=1.0- a) Will the upper block be in equilibrium? Yes or No? Yes b) Provide F/N of the upper block [ Select ] c) Will both blocks be in equilibrium? Yes or No? Yes d) Provide F/N of the lower block [Select ] AH F5 F6 F7 PriSc F8 F9 F10 F11 F12
The viscosity of a fluid is to be measured by a viscometer constructed of two 70-cm-long concentric cylinders. The outer diameter of the inner cylinder is 15 cm, and the gap between the two cylinders is 1 mm. The inner cylinder is rotated at 300 rpm, and the torque is measured to be 0.8 N-m. Determine the viscosity of the fluid. 1 mm 300 rpm The viscosity of the fluid is Fluid Stationary cylinder |N-s/m².
The flywheel A rotates clockwise under the action of a 700 N-m couple. A band break is to be used to stop the rotation of A. The coefficient of friction between the belt and the flywheel is 0.40.a.) What is the minimum force applied at the end of rod B that will stop the flywheel?b.) If the 700 N-m couple acts counterclockwise on A, what is the minimum braking force P?
1. DETERMINE THE RESULTANT OF THE PARAUEL FORCE SY STEM ON THE BAR AB SHOWN IN FIGURE l001b 50016 30016
Problem 2: The flywheel A rotates clockwise under the action of a 700 N-m couple. A band break is to be used to stop the rotation of A. The coefficient of friction between the belt and the flywheel is 0.40. a.) What is the minimum force applied at the end of rod B that will stop the flywheel? b.) If the 700 N-m couple acts counterclockwise on A, what is the minimum braking force P? A 700 N.m D B 0.6 m 1.2 m P.

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