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Answers: 2
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 04.07.2019 18:10
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
Answers: 2
Engineering, 04.07.2019 18:20
Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
Answers: 3
Engineering, 04.07.2019 19:10
Which of the following is the most important advantage of a large field of view? a. allows larger areas to be examined b. relieves eyestrain c. minimizes parallax errors. d. increases precision in proportion to the in- crease in field of view
Answers: 2
English, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30
Spanish, 01.07.2019 14:30
English, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30
Biology, 01.07.2019 14:30
English, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30
Mathematics, 01.07.2019 14:30