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A shaft is supported on bearings A and B, 800 mm between centres. A 20° straight tooth spur gear having 600 mm pitch diameter, is located 200 mm to the right of the left hand bearing A, and a 700 mm diameter pulley is cross mounted 250 mm towards the left of bearing B. The gear is driven by a pinion with a downward tangential force while the pulley drives a horizontal belt having 180° angle of wrap. The pulley also serves as a flywheel and weighs 2000 N. The maximum belt tension is 3000 N and the tension ratio is 3 : 1. Calculate the maximum bending moment and the required shaft diameter if the allowable shear stress of the material is 40 MPa.
Plate clutch for warpage : Place plate clutch on surface plate and check for warpage. Ensure that 0.20 mm feeler gauge does not slide freely.
Q. Describe about Carbon Steel? Steel having no specified minimum quantity for any alloying element (other than commonly accepted amounts of manganese, silicon, and copper) and
Quenching and Tempering Cast iron pearlite structure might be heated to lower critical temperature and after that quenched to effect extremely rapid cooling. This treatment re
Describe carburetion. What are the basic different air-fuel mixture on which an engine can be operated ? Write a short note on sterling cycle. In an engine working on inlet pres
A tensile test on a specimen having an initial diameter of 13.11 mm and an initial gauge length of 200.0 mm, gave the following data:
Calculate the KIC from the data - thick cylinder: In a fracture test a 3-point bend specimen of thickness 20 mm and depth 25 mm is supported over a span of 100 mm. The specime
What is bending stress? The bending moment at section tends to bend or deflect beam and internal stresses resist its bending. The process of bending stops when the cross sectio
Find speed of dynamo shaft: Q: W ith the help of belt an engine running at 200rpm drives line shaft. The Diameter of the pulley on engine is 80cm and the diameter of the pul
AIR TRANSPORTATION: Air transportation has grown rapidly all over the world and in India too. Its main advantages are speed, good safety record, military use, ability to serve
Find out the forces in the members of the tower: Find out the forces in the members of the tower. Solution By symmetry, ∠ AFG = ∠ AGF = θ and HG = 7.5 m; while AH = 3
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