Engineering, 03.01.2021 07:50 ooof3
(A) A piston-cylinder device initially contains steam at 3.0 MPa, superheated by 16.1°C with a volume of 0.4m ^ 3 . At its initial condition (State 1), the piston (weighing 12445 kg with a diameter of 0.3 m), is 30 cm above the stops at an equilibrium condition. The arrangement is open to an outside pressure of 90 kPa. Determine , () The initial temperature of steam [1] Mass of the steam[1] () Force balance diagram at this condition [1] (iv) Total enthalpy and Total internal energy (kJ) [2] (Bthe moves
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The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
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10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.
Answers: 2
(A) A piston-cylinder device initially contains steam at 3.0 MPa, superheated by 16.1°C with a volum...
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