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41 saturated steam at 300degc is used to heat a counter currently flowing stream of methanol vapour from 65degc to
calculate the heat kj required to raise the gas temperature from 25degc to 1000degc if the heating takes place at
consider a simple double-pipe heat exchanger where a liquid stream is being heated by condensing leaves z l at tll t
a wire in tube electrostatic precipitator having collecting electrodes of a total surface area 300 m2 is used to
the liquid effluent from a paper and pulp stream of 600 mgl is to be treated in a stabilization pond of 125 m deep with
200 m3h hot gases from a smelting operation are scrubbed by using 4 m3 h water in a cross flow gravity scrubber of 5 m
the gas so2is being scrubbed from a gas mixture by pure water at 303 k and 1013x105pa the inlet gas contains 6 mol
suppose that john could work 365 days per year and could earn 200 per day for each day heworked draw his budget line
wet air containing 40 mole water vapor at 76degf and 148 psia is passed through a column of calcium chloride pellets
carbon monoxide is burned with excess air at 1 atm in an adiabatic reactor the reactants are fed at 25degc and the
let the alternator of problem 422 supply a line current of 20 a at a power factor of 08 lagging determinea the kva
consider a 240-v supply feeding a resistive load of 10 kw through wires having a total resistance of r 002 omega for
a person while driving a car in a cyclone and waiting at an intersection hears a thumping sound when a power line falls
a rectangular loop is placed in the field of an in- finitely long straight conductor carrying a current of i amperes as
a 5-kva 480120-v two-winding 60-hz single-phase transformer has an efficiency of 95 while delivering rated load at
three identical single-phase transformers are to be connected to form a three-phase bank rated at 300 mva 230345 kv for
the 50-turn coil in the configuration of figure p1213 is rotated at a constant speed of 300 rmin the axis of rotation
a four-pole dc generator is lap wound with 326 armature conductors it runs at 650 rmin on full load with an induced
a six-pole double-layer dc armature winding in 28 slots has five turns per coil if the field flux is 0025 wb per pole
a water sample contains the following impurities per litrecahco32 81 mg mghco3273 mg caso468mgso460mg kcl
certain solid substances known as hydrated compounds have well-defined molecular ratios of water to some other species
a concentrated binary solution containing mostly species 2 but x2 i is in equilibrium with a vapor phase containing
in the thermos shown in fig p842 the innermost compartment is separated from the middle container by a vacuum there is
the composition of the feed to a debutaniser is given below make a preliminarydesign for a column to recover 98 per