Mechanical Engineering by

Mechanical Engineering by https://padlet.com/hsbali/h2d6hx32t0fx Forces and Beams en-us 2018-09-26 12:36:13 UTC 2024-01-11 11:47:56 UTC hello@padlet.com hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/287559112 2018-10-01 12:39:06 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/287559112 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/287570107 2018-10-01 12:59:03 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/287570107 Bridge hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/287571141 2018-10-01 13:00:45 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/287571141 https://padlet.com/hsbali/h2d6hx32t0fx/wish/287588328 Static equilibrium ]]> 2018-10-01 13:27:33 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/287588328 Pogs https://padlet.com/hsbali/h2d6hx32t0fx/wish/287615632 2018-10-01 14:06:00 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/287615632 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/290245491 2018-10-08 12:00:24 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/290245491 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/292751042 Beam Cal sample 1 - one point load]]> 2018-10-15 11:50:26 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/292751042 Beam Cal Sample 2 - 2 point loads hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/292752003 2018-10-15 11:53:34 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/292752003 Bridges hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/292753135 2018-10-15 11:56:53 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/292753135 Homework.... yikes https://padlet.com/hsbali/h2d6hx32t0fx/wish/292782436 2018-10-15 12:58:09 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/292782436 Video 2 -Stress & Strain hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/305880585 2018-11-19 12:38:58 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/305880585 Stress and Strain hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/305882249 2018-11-19 12:44:31 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/305882249 BEAM Calculations hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/305883138 2018-11-19 12:46:29 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/305883138 Task 3 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/305883480 A rectangular bar 300 mm long (cross-section of the bar is a square, the dimension of the side of the square is represented by length ‘a’) is made of aluminium and has a compressive force of 15 kN applied to it. Material: Aluminium F= 15 kN l = 300 mm a = 50 mm E = 69 x10⁹ Pa.
1. Draw a diagram showing the bar under load
2. Calculate the cross-section area of the part.
3. Calculate the induced stress.
4. Calculate the induced strain.
5. Calculate the dimensional change.

]]> 2018-11-19 12:47:34 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/305883480 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/305884828 2018-11-19 12:51:35 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/305884828 https://padlet.com/hsbali/h2d6hx32t0fx/wish/305914380 2018-11-19 13:58:59 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/305914380 Video 3 - Stress and Strain hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/307730074 Youngs Modules ]]> 2018-11-26 12:42:40 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/307730074 Video 1 - Ext of length hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/307734014 2018-11-26 12:53:16 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/307734014 Class Exercise hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/310368860 Two plates made of aluminium alloy are joined by a rivet and are subjected to force F as shown in diagram below.

The component has the following material parameters:

F= 1200 N

d = 20 mm

G = 89 GPa

Calculate the shear stress and strain induced by shear loading :
1. Calculate the cross-section area of the part.

A =

2. Calculate the induced shear stress.

t =

3. Calculate the induced shear strain

g =

]]> 2018-12-03 12:46:59 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/310368860 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/310369052 2018-12-03 12:47:36 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/310369052 Shear Stress hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/310371066 2018-12-03 12:54:12 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/310371066 Shear Modules hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/310372056 2018-12-03 12:57:11 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/310372056 Shear stress and strain hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/310372550 2018-12-03 12:58:00 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/310372550 https://padlet.com/hsbali/h2d6hx32t0fx/wish/312960372 2018-12-10 15:11:38 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/312960372 Sample Problem : Shear Stress hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/315127106 2018-12-17 12:41:24 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/315127106 Outcome 3 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/354958063 2019-04-29 11:42:38 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/354958063 Fluid Flow though a pipe hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/354958418 2019-04-29 11:44:05 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/354958418 Volume flow rate and equation of continuity hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/354959264 2019-04-29 11:47:41 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/354959264 Task 3: At a section in a tapered pipe, the diameter is 800 mm and the velocity of the liquid at that section is 5 m/s. Assuming the flow of the liquid to be steady, determine the velocity when the pipe diameter is 600 mm? hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/354959655 dia 800 mm

]]> 2019-04-29 11:48:51 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/354959655 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/354959926 2019-04-29 11:49:54 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/354959926 Bernoulli's Equation hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/354961328 2019-04-29 11:54:57 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/354961328 Water Pressure !! hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/359398995 Force on a submerged wall - only watch it till 11:04]]> 2019-05-13 10:33:42 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/359398995 Water pressure under depth hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/359421319 2019-05-13 11:59:24 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/359421319 Hey guys its scarce here https://padlet.com/hsbali/h2d6hx32t0fx/wish/359427493 2019-05-13 12:17:46 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/359427493 Lesson Notes hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/361744754 Fluid ]]> 2019-05-20 14:14:29 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/361744754 Calculating Density hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/361746564 Archimede's Principle: Density of an Object

]]> 2019-05-20 14:18:16 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/361746564 Calculating Density hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/361748134 Archimede's Principle: Density of an Object

]]> 2019-05-20 14:21:08 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/361748134 Lessons Notes hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/365275244 Fluid pressure]]> 2019-06-03 12:41:15 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/365275244 Thermal Expantion hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/367888507 Internal Energy - Specific heat capacity - linear expansion ]]> 2019-06-17 10:14:49 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/367888507 Outcome 4 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/367888637 2019-06-17 10:15:44 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/367888637 Task 1 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/367898245 The Forth Bridge is constructed of steel and is 2.0KM long. The linear expansivity (α) of steel is 11X10^-6 K^-1. The minimum winter temperature may be as low as -20ºC and the maximum summer temperature can reach as high as 50ºC. What distance must be allowed for the change in length of the bridge?

]]> 2019-06-17 11:25:06 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/367898245 Thermal Expansion hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/367898910 only watch the first five minutes and try the sample question .]]> 2019-06-17 11:29:32 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/367898910 Specific Heat Capacity hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/367900086 2019-06-17 11:38:00 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/367900086 Internal Energy hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/367900793 2019-06-17 11:43:03 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/367900793 Additional Notes hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/367901000 2019-06-17 11:44:44 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/367901000 Task 2 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/368918133 | If the bridge in task 1 is prevented from expanding, what would be the stress and force induced in it given that E = 100 GPa ?]]> 2019-06-24 10:20:40 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/368918133 FORCES ON A COMPONENT UNDER THERMAL EXPANSION hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/368920346 2019-06-24 10:44:03 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/368920346 FORCES ON A COMPONENT UNDER THERMAL EXPANSION hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/368921454 2019-06-24 10:51:23 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/368921454 SAMPLE QUESTION - FORCES ON A COMPONENT UNDER THERMAL EXPANSION hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/368921953 2019-06-24 10:55:09 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/368921953 SPECIFIC HEAT CAPACITY hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/368926279 2019-06-24 11:35:57 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/368926279 Task 3 hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/368926554 | a. In the laboratory you are required to test a ingot of iron from the above bridge construction having a mass of 15kg. You are required to calculate the following:
i. The heat required to change the temperature of ingot to 1450⁰C?
ii. How much energy is required to melt the iron once it reaches its melting point? (Assume melting point of iron 1538⁰C and Latent heat of fusion of iron Li=247.2916 kJ/kg, room temperature 20⁰C)]]> 2019-06-24 11:38:50 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/368926554 IDEAL GAS EQUATION !! hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/369271174 2019-06-26 12:48:43 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/369271174 Further - Ideal Gas Equation hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/369271934 2019-06-26 12:54:21 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/369271934 Thermal Efficiency ! hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/369272120 2019-06-26 12:56:00 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/369272120 Thermal Efficiency ! hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/369272451 2019-06-26 12:58:32 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/369272451 Further material - Thermal Efficiency & Reverse heat engines. hsbali https://padlet.com/hsbali/h2d6hx32t0fx/wish/369272831 2019-06-26 13:01:35 UTC https://padlet.com/hsbali/h2d6hx32t0fx/wish/369272831