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a desktop computer is to be cooled by a fan whose flow rate is 034 m3 min determinea the mass flow rate of air through
calcium silicate has replaced asbestos as the preferred insulation for steam lines in power plants consider a 40 cm od
carbon dioxide co2 gas enters a compressor steadily at 10 kpa and 540k with a velocity of 200ms the carbon dioxide
for mass-spring-damper accelerometer calculate the mass needed to achieve mechanical noise limit arms 1 ng if the
gas in a closed system undergoes the power cycle as shown in the p-v diagram below as described by 1-gt2 is a constant
water in a vertical piston cylinder is heated at constant pressure of 10 bar it is initially at 1799 0c and has a
white noise has a constant level when measured in frequency bands of constant width suppose a noise generator produces
a single-stage ideal regenerative steam cycle has a boiler pressure and temperature of 5000 kpa and 500 c and a
a diesel engine is fitted with a turbocharger that comprises a radial flow compressor driven by a radial flow exhaust
saturated isobutane vapor at 320 k is contained in a piston-cylinder assembly it is expanded to 3 bar by a reversible
ball a is thrown vertically upward from the top of a 25-m-high-building with an initial velocity of 5ms at the same
ten cubic feet of air is cooled at a constant pressure of 80 psi the initial temperature is 180 0f and the final
a piston-cylinder device contains 12 kg of saturated r-134a vapor at 32 bar an electric source supplies 8 a current to
a 1 kg sphere of iron at 1000 degrees celsius is quenched in a 10 kg bath of oil at 100 degrees celsius assume that no
a stream consisting of two organic chemicals 1 benzene c6h6 and 2 toluene c7h8 enters a separation column the total
five kg of nitrogen n2 undergoes a process from p1 5 bar t1 400k to p2 2 bar and t2 500k assuming ideal gas
the relationship between heat treatment and toughness and hardness ie briefly explain why the different heat treatments
water flows in a 015-m-diameter vertical pipe at a rate of 065 m3s and a pressure of 530 kpa at an elevation of 25 m
a v-belt drive system consists of a 124 diameter driving sheave and a 211 diameter driven sheave connected by a 5v belt
a fire truck draws water from an open constant-level reservoir through a hose of 02 ft2 cross section the water is
a closed rigid tank is filled with refrigerant 134a initially at 10c a quality of 80 and a volume of 001m3 a 12volt
consider laminar flow of a fluid through a square channel with smooth surfaces now the average velocity of the fluid is