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A system containing m = 5 kg of a liquid is stirred with a torque of = 0.3 kgf-m at a speed of v= 1000 RPM for t = 24 hr. The system meanwhile expands from V1 = 1 m3 to V2 = 2 m3 against a constant pressure of p = 4 kgf/cm2. Determine the net work done and compute the stirrer work done by the system, in MJ.
rope bca passes through a pulley at point c and supports a crate at point a. rope segment cd supports the pulley and is
Consider an adiabatic mixing chamber operating at steady state into which steam enters with quality of 0.9. Water enters through a separate inlet at 30 C. At the exit the temperature is 150 C and mass flow rate is 2 kg/s. The pressure in the mixing c..
it has been determined that a point in a load-carrying member is subjected to the following stress condition sx 400 mpa
If the density of the water is 62.4 lb/ft3, what is the mass of water stored in the tower, in lb, when the tank is full? What is the weight, in lbf, of the water if the local acceleration of gravity is 32.1 ft/s2?
The drive shaft to a boat's propeller is 50 mm in diameter. If a 25 mm diameter hole is bored along its length calculate the percentage saving in weight and the percentage reduction in torsional streng
air at 1 atm and 25 ordmc occupies an initial volume of 1200 cm3 in a cylinder. the air is confined by a piston which
the shaft of a gearbox is coupled through a no. 60 chain drive rotating a concrete mixer at 180 rpm clockwise. the
a cylinder containing 0.9 kg of ammonia has an externally loaded piston. initially the ammonia is at 2 mpa 180degc and
write a program that accepts a numerical value x from 0 to 100 as input and cmputes and displays the corresponding
A spherical container of outer diameter 2.5 m is buried below the wrath’s surface. The distance of the center of the container to the earth surface is 10 m. The container issued to temporarily store radioactive wastes where heat is generated at a rat..
consider a rigid tank of the volume 15m3. this tank is connected to a steam supply line. the tank is initially
a cylindrical fuel rod has a linear power rating of 467 wcm. the radius of the fuel is 1.3 cm. the gap thickness is
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