The 8 mm gap between two large vertical parallel plane surfaces is filled with a liquid of viscosity 2x10-2 Ns/m². A thin sheet of 1 mm thickness and 150 mm x 150 mm size, when dropped vertically between the two plates attains a steady velocity of 4 m/s. Which nearly gives the weight of the plate in Newton. Assume that the plate moves centrally. O a. 0.87 O b. 1.25 O c. 2.10 O d. 1.03

The 8 mm gap between two large vertical parallel plane surfaces is filled with a liquid of viscosity 2x10-2 Ns/m². A thin sheet of 1 mm thickness and 150 mm x 150 mm size, when dropped vertically between the two plates attains a steady velocity of 4 m/s. Which nearly gives the weight of the plate in Newton. Assume that the plate moves centrally. O a. 0.87 O b. 1.25 O c. 2.10 O d. 1.03

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

Liquid 1 SG X y Liquid 2 SG2 Both the top of the tank and the end of the slanted tube are open to the atmosphere. If L = 3.91 m., x = 94 cm., y = 56 cm., SG1 = 0.88, SG2 = 1.64, what is the angle of tilt (in degrees) of the tube? Round off to two decimal places.
Determine wether the block shown is in equilibrium and find the magnitude and direction of the friction force. The co efficient of static friction us, for all surfaces is 0.25 and uk= 0.15
A film of oil exists between two horizontal plates spaced 3mm apart. The lower plate is fixed and theupper plate is pulled with a constant velocity. The velocity profile between the two plates is found to have a nonlinear profile that is defined as u = (9y – 0.6y2) mm/s where y is in mm. Assuming the top plate has an area of 0.5 m2and the viscosity of the oil is μ = 0.437 N·s/m2, determine (a) the shear stress 1mm above the fixed plate, and (b)the force required to pull the upper plate
23.) A 50m steel tape is used to measure the distance of the line and found to be 2152.3528m. During measurement, the tape is supported at the ends and every quarter point under a pull of 14 kg and the observed mean temperature is 29°C. The tape is of standard length at 23°C and a tension of 12 kg. The cross-sectional area of the tape is 0.034cm2. The coefficient of thermal expansion is 0.0000116/°C and the modulus of elasticity of steel is 2.0x106 kg/cm. The tape weighs 1.1 kg. Determine the correct length of the tape.
a) L Question 7: A massless beam ABC of span L and con- stant flexural rigidity EI is simply supported at A and C, and it supports a mass concentrated at the midspan point B, as shown in Figure a). The natural frequency of this В A. El m system is expected to be 25 rad/s. However, the measured natural circular frequency is found to be only 23 rad/s, the b) lower value being ascribed to flexible supports at A and C, k Figure b). Calculate the stiffness k of the beam support k bearings as a fraction of the beam stiffness. Lww
A plate 0.025mm distant from a fixed plate moves at 60cm/s and requires a force of 2N/sq. m to maintain this speed. Determine the fluid viscosity between the plates.
A STRAIGHT LINE IS DETERMINED TO BE 3234.25 m WHEN MEASURED WITHA 50-m STEEL TAPE SUPPORTED THROUGHOUT ITS LENGTH UNDER A PULL OF 4.5 kg AND AT MEAN TEMPERATURE OF 35°C. DETERMINE THE CORRECT LENGTH OF THE STRAIGHT LINE IF THE TAPE USED IS STANDARD LENGTH AT 30°C UNDER A PULL OF 6 kg. THE CROSS-SECTIONAL AREA OF THE TAPE IS 0.03, ITS COEFFICIENT OF LINEAR EXPANSION IS, AND THE MODULUS OF ELSTICITY OF STEEL IS 2.0 x (2) kg/cm²
Determine whether the block shown is in equilibrium and find the magnitude and direction of the friction force when P = 100lb. 50 lb H, = 0.40 Hi = 0.30 40° 30° O Block is in Equilibrium, F-43.032 Ib, 30 deg. with the Harizantal Axis O Block is in Equilibrium, F-32.274 b, 40 deg. with the Harizontal Axis O Block is not in Equilibrium, F-32.274 lb, 30 deg. with the Horizontal Axis O Block is in Equilibrium, F-32.274 b, 30 deg. with the Horizontal Avis O Block is not in Equilibrium, F-43.032 lb, 30 deg, with the Horizontal Axis
both the top of the tank and the end of the slanted tube are open to the atmosphere. if L = 3.18 m., x = 68., y = 66 cm., SG1 = 0.85, SG2 = 1.52, what is the angle of tilt (in degrees) of the tube?
Please full answer..
Prob 2. (15pts) A line was found to be (2865.35+y)m long when measured with a 30-m tape under a steady pull of (6.5+y) kg at a mean temperature of 300C. Determine the correct length of the line if the tape used is of standard length at 200c under a pull of 5.5kg. Assume the cross-sectional area of tape to be 0.025cm2, elastic modulus as 2.10 x 106 kg/cm2, and coefficient of thermal expansion to be 0.0000116/ec.
A 296-lb block is resting on a rough horizontal surface for which the coefficient of friction is 0.4. Determine the force P (Ib) required to cause motion to impend if applied to the block horizontally. W P