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A helical compression spring is used to take the shock. The initial compression of the spring is 30 mm and it is further compressed by 50 mm while absorbing the shock. The spring is to absorb 250 J of energy during the procedure. The spring index will be taken as 6. The spring is made of patend and cold drawn steel wire with ultimate tensile strength of 1500 N/mm2 and modulus of rigidity of 81370 N/mm2 . The permissible shear stress for the spring wire could be taken as 30 % of the ultimate tensile strength. Design the spring.
Q. Define Pattern draft or taper? It is also termed as "draw". It is the taper placed on the pattern surface that are parallel to the direction in which the pattern is withdraw
Shielded Metal Arc Welding Single pass fillet welds upto ¼" (6.4 mm) maximum and ¼" groove welds made with a single pass or a single pass each side, may be made by using a
Determine the isentropic flow through the nozzle: In an isentropic flow through the nozzle, air flows at rate of 600Kg/hr. At inlet to the nozzle, the pressure is 2Mpa and te
Describe vibration, How to calculate vibration?
two forces are acting at a point''o'',determine magnitude and direction by using parallelogram law of forces and triangular law of forces
A shaft is hinghed by two bearings placed 1.0 m apart. A 600mm diameter pulley is mounted at a distance of 300 mm to the right of left hand bearing and this operates a pulley direc
Define the Disadvantages of Abrasive Jet Cutting Machines Slow material removal rate. Stray cutting and hence accuracy is not good. Abrasive powder cannot be reused
#question. Select a standard rolled steel I-section for the simply supported beam shown in figure below. Select an appropriate factor of safety and material strength. Include ref
3-d stress&strains
WEDG E FRICTION: Explain how wedge is used for raising heavy loads. Also give principle of it. Sol.: Principle of wedge: A wedge is small piece of material having two
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