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A gas is contained in a cylinder with a moveable piston on which a heavy block is placed. Suppose the region outside the chamber is evacuated and the total mass of the block and the movable piston is 102 kg. When 2140 J of heat flows into the gas, the internal energy of the gas increases by 1580 J. What is the distance s through which the piston rises?
An insulated piston-cylinder assembly containing a fluid has a stirring device operated externally. The piston is frictionless, and the force holding it against the fluid is due to standard atmospheric pressure and a coil spring. The spring constant ..
a gear of mass 2.5kg rotates ar 1500rpm.due to an error in manufacture the centre of gravity of the wheel is displaced 0.5mm from the axis of rotation. calculate the out of balance force.
a punching machine is driven by a motor which exerts a constant torque on the flywheel at a mean speed of 2 revs. if
what is the stress intensity factor ki at the tip of a 2-mm-deep longitudinal crack along a six-inch schedule 40 steel
structure of body- centered cubic bcc crystal.a. the body-center atom in a conventional bcc unit cell has
a carnot refrigerator is maintaining foodstuffs in a refrigerated region at 2degc by rejecting heat to the atmosphere
A Brayton gas turbine cycle has two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of the compressor at 300K and each stage of the turbine at 1200K..
a large irrigation sprinkler unit mounted on a cart discharges water with a speed of 40 ms at an angle of 30 to the
the ball of mass m is guided along the vertical circular path r 2rc costheta using the arm oa. if the arm has a
a coating that is known to behave as a bingham plastic is being applied to a vertical surface. derive a relationship
A CO2 laser provides a constant surface heat flux, qs|| =200W/m2 to the surface of a 1m-thick plywood wall, initially at 300K - the other wall surface is adiabatic. What is the temperature on the heated surface of the wall after 100s? Check the Fouri..
A paperclip is made of wire 1.25mm in diameter. If the original material from which the wire is made was 15mm in diameter, calculate the longitudinal and diametrical engineering and true strains that the wire has undergone during processing.
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