Engineering, 23.03.2021 21:40 nicktroutt27
For background it’s DL;Project 2.4 Pull Toy and More Mechanical Gears
Which of the mechanisms can be used to:
a. Increase torque and decrease speed?
b. Increase speed and decrease torque?
c. Keep constant speed and torque?
d. Transmit rotary movement at a 90° angle?
e. Reverse the flow of power?
PLEASE HURRY ITS 100 POINTS
Answers: 3
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The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
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Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 k, 1 bar, with a volumetric flow rate of 0.25 m°/s, and exits at 325 k, 0.95 bar. the flow area is 0.04 m2. assuming the ideal gas model with k = 1.4 for the air, determine (a) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer, in kw flow rate, in kg/s, (b) the mass kg 0.3
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Engineering, 04.07.2019 19:20
Heat transfer by is the fastest mode of heat transfer that requires no intervening medium. a)-conduction b)-convection c)-radiation d)-conduction and convection
Answers: 1
For background it’s DL;Project 2.4 Pull Toy and More Mechanical Gears
Which of the mechanisms can b...
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