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The layout of a transmission shaft carrying two pulley C and B and supported on bearings A and D is shown in figure. Power is supplied to the shaft by means of vertical belt on pulley B, that is then forced to pulley C carrying a horizontal belt. The maximum tension in belt on pulley B is 2.5 KN. The angle of wrap for both the pulleys is 180o and the coefficient of friction force is 0.24. The shaft is made of plain carbon steel 30C8 (Syt=400 N/m2) and the factor of safety is 3. Evaluate the shaft diameter on strength basis.
Determine acceleration of weight: Two pulleys of radii 200 mm and 400 mm are mounted co-axially and rigidly on a common-shaft. These pulleys have a overall mass of 28 kg an
A piston-cylinder assembly fitted with a paddle wheel contains air, initially at p1=30 lbf/in2, T1=540 °F, and V1=4 ft3. The air undergoes a process to a final state where p2=20 lb
Carno t Theorem: No heat engine operating in cycle between the two given thermal reservoir, having fixed temperature can be more efficient than reversible engine operating be
Define Advantage and Disadvantage of Electron Beam Machining Advantage 1. Suitable for automatic machining. 2. Absence of mechanical contact between work piece and too
Brea k Mean Effective Pressure (P bm ): Likewise, the brake mean effective pressure is given by i p = indicated power (kW) bp = Break Powder (kW
OUR CUSTOMER HAD APROBLEM WITH OUR CUSTOMER ,AND ME AS AMECHANICLAL ENGINEER FOUND THE PROBLEM
Evaluate Young modulus of elasticity - Ultimate stress: Q: The following observations were made during tensile test on mild steel specimen 40 mm in diameter and 200 mm long
Q. Show Construction Subcontractor Responsibilities? The Supplier or Construction Subcontractor is responsible for: • Employing qualified PMI technicians • Performing PMI
Calculate force required for equilibrium: A member ABCD is subjected to the point loads P 1 , P 2 , P 3 an d P 4 as shown in the figure given below
Plant level - Safety Organization This level works at plant level and would directly report to general manager safety. There must be four plant safety managers as recognized
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