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with usual notations the effort lost due to friction is given by A) P-W/V.R B) P×V.R-W C) P-W×V.R D) P+W/V.R
One of the simplest devices that have both vertical and horizontal motion is a slide or chute. It may be straight or spiral and is static in nature. Gravity is utilized in
An open belt connects two flat pulleys. The pulley diameters are 300 mm and 450 mm and the corresponding angles of Cap are 160 o and 210 o . The smaller pulley runs at 200 r.p.
Stress-Strai n Curves (Compression): For the ductile materials stress strain curves in compression are similar to those in tension at least up to the yield point for all the
(a) What is the importance of safety at workshop? (b) What problems may arise, if we do not take safety precautions in the workshop?
Compute amplitude and frequency of the particle: The displacement of a particle is described by x = 5 + 3 cos 3 t. Determine the position of the particle at t = 3 seconds. Com
Find distance through which the body will penetrates: A body having mass 25kg falls on the ground from height of 19.6m. The body penetrates into ground. Find distance through
Determine the angular-velocity of uniform bar: A uniform bar of length l and mass M is hinged at its end B and is released from its horizontal position BA. Determine its angul
Q. What is Injection moulding? An important industrial method of producing articles of thermoplastics is injection moulding. The moulding material is loaded into a hopper from
Find out the horizontal and vertical components of the force: A force of 120 N is exerted on a hook in the ceiling as illustrated in Figure. Find out the horizontal and vertic
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