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Design a bushed pin flexible coupling to connect a moter shaft to a pump shaft transmitting 20 kw power at 1440 rpm. The allowed shear and crushing stress for steel shaft, key and pin are 40 mpa and 80 mpa respectively. The allowed shear iron flange is 10 mpa and the allowed bearing pressure for rubber bush is 0.5 mpa.
What is the yield strength of a metal sheet with thickness of max 300m and width max 4,000mm
I need to do an IA in the IB for Physics HL. I have in mind of doing it on bridge beams, and how a specific factor would affect the oscillation frequency of the beam, I was thinking I could make my variable the material of the beam, but I feel it’s rather simple. What else could my independent variable be?
1)A steel wire ABC 16m long having cross sectional area of 4mm2 weighs 20N . If the modulus of elasticity for the wire material is 200Gpa find the deflections at C and B

2)A max stress in a 6.36mm steel wide flange beam 100mm long moment of inertia 362mm4,modulus of elasticity 29,000Gpa with a load of 15kN.Calculate the max stress and deflection
A vertical load P is applied at the center A of the upper section of a homogeneous
frustum of a circular cone of height h, minimum radius a, and maximum radius b.
Denoting by E the modulus of elasticity of the material and neglecting the effect
of its weight, determine the deflection of point A.
1) neglecting the effect of its weight only due to p
2) consider the effect of its weight (p+w)
What is the ratio between camshaft and crankshaft of 6 cylinder inline engine?
The internal energy of a fluid is initially 18kJ. The internal energy of the fluid is increased to 76kJ by a non-flow thermodynamic process during which 50J of work was done. Determine the magnitude and direction of the heat energy transfer across the system during the process.
A gas is pumped into an empty cylinder of volume 0.08m3 until the pressure is 6MPa. The temperature of the gas is 500C. If the gross mass of the cylinder increases by 5.3kg when the gas has been added find the value of the characteristic gas constant.
A quantity of gas in a cylinder occupies a volume of 0.9m3 at a pressure of 360kPa. A piston within the cylinder compresses the gas, according to Boyle’s Law until the gas volume is 0.35m3. If the area of the piston is 0.05m2 calculate the force on the piston when the gas is compressed.
How much heat energy is required to change 2.8kg of ice at 230K into water at 323K?
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