Answered: 1 2 a win nin dut Mut Zut u = wut nut…

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 17RQ: Convert 22C to Fahrenheit.

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Question

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A gear has a gear wheel with 16 teeth. The gear should be dimensioned for the highest and lowest gear ratio. Looking for output power, torque, speed?

nin= 2000 rpm
min = 30Nm
n=0,9
a max= 450 mm
Module 4

Gear limits
z1                        z2
13                       13-16
14                       14-26
15                       15-45
16 16-101
17 17-1314
18 18-…..

I have calculate but I can’t get the right answers…..
√16 =4
59x60/56x57=1.1 lowest
59x60/13x13=20,94 highest
nut=2000/1.1= 1818rpm
nut=2000/20.94=95.5 rpm
Mut=1.1x30=33 Nm
Mut=20.94x30=628,2 Nm

(Right answer)
Lowest
Z=13, M=24,4Nm, n=2462 rpm
Highest
Z=92, M=172,5Nm, n=347,8 rpm
P=5655W on both