Assignment 1

# Assignment 1 - Mech Eng 2W04 2014 Thermodynamics ASSIGNMENT...

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Mech. Eng. 2W04, 2014 Thermodynamics ASSIGNMENT # 1 INTRODUCTORY CONCEPTS Due Monday, Jan. 20 th , 2014 before 4:00 pm (Drop box # 4 in JHE-307) General instructions: a. This assignment will be worked on through the tutorials of Jan. 15 & 17. (Be prepared) b. Choose one of your peers to be your partner for this assignment, c. Solve the assignment together or solve it separately and check the results with each other, d. Submit just one answer sheet having both of your names, e. The same mark will be given to each one of you. 1. Perform the following unit conversions: (a) 122 in 3 to L (b) 778.17 ft . lbf to kJ (c) 100 hp to kW (d) 1000 lb/h to kg/s (e) 29.392 lbf/in 2 to bar (f) 2500 ft 3 /min to m 3 /s (g) 75 mile/h to km/h (h) 1 ton (=2000 lbf) to N 2. A gas is contained in a vertical, frictionless piston-cylinder device. The piston has a mass of 4 kg and a cross-sectional area of 35 cm 2 . A compressed spring above the piston exerts a force of 60 N on the piston. If the atmospheric pressure is 95 kPa, determine the absolute pressure inside the cylinder.

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• Spring '14
• absolute pressure, 4 kg, 1 ton, Mech. Eng., JHE-307

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