Engineering, 08.04.2020 04:25 lillierudloff2558
Example β a 100 kW, 60 Hz, 1175 rpm motor is coupled to a flywheel through a gearbox β’ the kinetic energy of the revolving components is 300 kJ at rated speed β the motor is plugged to a stop and allowed to run up to 1175 rpm in the reverse direction β’ calculate the energy dissipated in the rotor
Answers: 3
Engineering, 04.07.2019 18:10
Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.
Answers: 1
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 18:20
Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?
Answers: 2
Engineering, 04.07.2019 19:10
In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?
Answers: 3
Example β a 100 kW, 60 Hz, 1175 rpm motor is coupled to a flywheel through a gearbox β’ the kinetic e...
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