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Calculation for Stress-strain carves:
After reaching point D, if bar is strained further, a local reduction in cross section occurs in gauge length (that is, formation of neck). At this neck stress increases with decrease in area at constant load, till failure take place. Point F is called as 'rupture point. Note that all the stresses are based on original area of cross section in drawing curve of the given figure. 1. Yield strength = where (original area ) 2. Ultimate strength = 3. % Elongation =
where LF = Final length of specimen
L0 = Original length of specimen 4. % Reduction in area =
where AF = Final area of cross section
A0 = Original area of cross section
5. Young's modulus of elasticity, E =
From the figure clastic limit is up to point B.
a) Why cutting fluids are used for machining of metals? List different types of cutting fluids and additives for cutting fluids. b) What factors are responsible for surface fin
Q. Formed heads of vessels? Formed heads are generally of 2:1 semi ellipsoidal form, but other heads may be used, such as hemispherical, torispherical, conical and toriconical.
Determine the fatigue strength of medium carbon steel: For determining the fatigue strength of medium carbon steel 15 specimens, identical in all respect were tested in cantil
what is the maximum principle stress
Tachometer: This is used to measure the speed (revolutions) of an engine in revolutions per minute (RPM). This is shown in Figure. Figure : Tachometer
brief description of resonant cavities
AUTOCAD HELP MENU In this section it will show the Drawing objects its will have some predifined oblects that will help , with some Lectures notes .It also having options as s
Matter, particle and body: Matter is anything which occupies space, possesses mass provides resistance to any stress, example Iron, air, stone, Water. A body of negligible
In a sun and planet type gear, the annular gear (D) has 100 internal teeth, the sun gear (A) has 50 external teeth and a planet gear (B) has 25 external teeth. The gear (B) meshes
Resultant of Non-coplanar Force System: The resultant of a system of coplanar forces can be attained by adding up two forces through law of parallelogram at a time and after t
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