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A 25-kg block of copper at at initial temperature of 1500C equilibrates with 0.79 kg of liquid water at an initial temperature of 200C in an insulated tank. If the average specific heat of copper can be taken to be 0.395 kJ/kg.K, determine the final temperature.
A cylinder fitted with a piston containing 1kg of Refrigerant 134a at 20C and 90% vapor quality is attached to a line flowing Refrigerant 134a. The total force on the piston is proportional to the cylinder volume squared.
a hollow aluminum shaft is to carry a torque of 200 in.kips. the inner radius is 1in and it is 5ft in length. if the
calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced.
two flash distillation chambers are hooked together. both are at 1 atm pressure. the feed to the first drum is a binary
a particle is moving with a velocity of vo when s0 and t0. if it is subjected to a deceleration of a -kv3 where k is a
an enclosure box surrounds some electronics that draw 25 w of electrical power. for heat transfer we will just consider
a 5 ft3 tank containing steam at 14.7 psia 1 quality is fitted with a relief valve. determine the heat transfer to the
a mass of 0.20 kg of saturated refrigerant-134a is contained in a piston-cylinder device at 200kpa. initially 75 of the
a particle is moving along a straight line and has an acceleration of kv2 ms2 where v is the velocity of the particle.
We need to design a piping system that transports 35ft^3/s of water 100ft. The available head is 7ft. The pipe is to be made out of a rough concrete material. Find the necessary diameter for the pipe.
a strain rosette with measurements in the direction of the applied unidirectional force perpendicular and at 45 degrees
an adiabatic turbine expands steam from 500 c and 4000 kpa to 200 c and 300 kpa. the tubrine geneateds 750 kw of power.
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