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Assume isentropic operations for all compressor and the turbine stages and use constant specific heats at room temperature. specific heats at room temperature. A gas turbine operates with a regenerator and two stages of reheating and intercooling. Airenters this engine at 14 psia and 60°F; the pressure ratio for each stage of compression is 4.35; the air temperature when entering a turbine is 940°F; and the regenerator operates perfectly. Determine the mass flow rate of the air passing through this engine, and the rates of heat addition and rejection when this engine produces 1,000 hp.
a shunt dc motor has ra 0.3 u03a9 and vt 999.9 v. for an output power of 31.6 hp we have nm 1483 rpm and ia 145.8 a.
the rectangular plate is rorating about its corner axis through o with a constant angular velocity omega 10 rads.
a 10-kg block is attached to spring a and connected to spring b by a cord and pulley. the block is held in the position
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u.s. energy use was approximately 100 quads quadrillions btu in 2008. about 85 of this energy was supplied by burning
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explain why the modulus of elasticity of simple thermoplastic polymers such as polyethylene and polystyrene is expected
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an aluminium bottle weighs 10 kgs when empty and has an internal volume of 20 liters. it is filled with 5 kgs of
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juice is extracted from fruits such as apples by compressing and crushing them. based on your knowledge of
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