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Stress strain curves for the brittle materials:
Stress strain curves for the brittle materials : Materials which show small elongation before they fracture are called as brittle materials. The shape of curve for high carbon steel is shown in the figure given below and is typical of many brittle materials like G.I, concrete and high strength light alloys. For most of the brittle materials the permanent elongation (that is, increase in length) is less than 10percent.
Windmills were traditionally used for processing grains, later they started to be used for electricity production as well. Windmills can also be used to pump water.
#wHAT WILL BE THE PULLEY CRITERIA TO DECIDE THE RPM
Define the nature of shear force and bending moment under load variation. Sol.: The nature of SF and BM variation under two-load region is given in the table below
wire-frame entities-representing ellipse and parabolas
Jib crane Mechanism: Sol.: Jib crane is taken in use to raise heavy loads. A load W is lifted up by pulling the chain through pulley D as shown in the adjacent figure.
The average heat transfer co efficient for flow of 100 o C air over a flat plate is calculated by observing the temperature time history of a 3mm thick copper slab exposed 100 o
Smallest value of constant horizontal force: A particle containing a mass of 8 kg starts from rest and attains a speed of 1.5 m/sec in a horizontal distance of 10 m. imagine a
The temperature limits of an ammonia refrigerating system are 25 O C and - 10 O C. if the gas is dry at the end of compression, determine the coefficient of performance of the cycl
Gated pattern This is an improvement over the simple pattern where the gating and runner system are integral with the pattern. This would eliminate the hand cutting of the runn
Identify the basic activities involved in the use of intermittent operation in handling machines in material handling?
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