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A centrifugal pump is discharged .118 m3/sec at a speed of 1450 rpm against a head of 25 m. The impeller diameter is 25 cm, its width at outlet is 5 cms and the manometric efficiency is 0.75. Determine the Vane angle at the outer periphery of the impeller.
Estimate the temperature of the hottest point in the billet after five minutes of quenching. Neglect end effects; make the calculation for a cylinder of the given diameter but of infinite length.
An ideal diesel cycle has a compression ratio of 16.8 and a cut off ratio of 1.63. Determine the maximum air temperature and the rate of heat addition to this cycle when it produces 197 hp of power, the cycle is repeated 1,250 times per minute, and t..
for a metal that has a yield strength of 401 mpa and a plane strain fracture toughness kic of 21 mpa m12 compute the
a bug is on the rimof a disk of diameter 13 in that moves from rest to an angular speed of 70 revmin in 5.2 s.what is
a 300kg compressor is placed at the end of a cantilever beam of length 1.8 m made of a material with an elastic modulus
The horizontal pump in Fig discharges 20°C water at 57 m3/h. Neglecting losses, what power in kW is delivered to the water by the pump?
a steam turbine receives steam at 110 fts velocity and 1525 btuibm enthalpy. the steam leaves at 810 fts and 1300
a cylindrical pressure tank 15 feet long and 40 inches in mean diamater is to be fabricated from .5 inch steel. a 15
air enters a one-inlet one-exit control volume at 6 bar 500 k and 30 ms through a flow area of 28 cm2. at the exit the
the gases in the cylinder of an internal combustion engine have a specific internal energy of 800 kjkg and a specific
An adiabatic turbine operates at steady state. Air enters the turbine at a pressure and temperature of 800kPa and 1100K, respectively, and exits at 100kPa. A temperature sensor at the turbine exit indicates that the exit air temperature is 700K. Kine..
A building in Denver Colorado is constructed with a slab-on-grade floor. The construction type is an uninsulated 100-mm block wall with a brick face. The perimeter of the building is 350m. Calculate the design heat loss rate from the floor.
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