Engineering, 05.12.2019 19:31 babycakesmani
Air is to be heated steadily by an 8-kw electric resistance heater as it flows through an insulated duct. if the air enters at 54°c at a rate of 2 kg/s, determine the exit temperature of air. solve using appropriate software.
Answers: 3
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 18:10
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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Engineering, 04.07.2019 19:10
In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?
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Engineering, 04.07.2019 19:10
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
Answers: 1
Air is to be heated steadily by an 8-kw electric resistance heater as it flows through an insulated...
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