Bundle: Refrigeration And Air Conditioning Technology, 8th + Lab Manual + Lms Integrated For Mindtap Hvac-r, 4 Terms (24 Months) Printed Access Card
8th Edition
ISBN: 9781337087315
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Chapter 1, Problem 17RQ
Convert 22°C to Fahrenheit.
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4.
G
A micarta pinion rotating at 1200 r.p.m. is to transmit 1 kW to a cast iron gear at a speed of 192 r.p.m.
Assuming a starting overload of 20% and using 20° full depth involute teeth, determine the module,
number of teeth on the pinion and gear and face width. Take allowable static strength for micarta as 40
MPa and for cast iron as 53 MPa. Check the pair in wear.
I want to solve these choices
2. A spur gear made of bronze drives a mid steel pinion with angular velocity ratio of 32: 1. The
pressure angle is 14½. It transmits 5 kW at 1800 r.p.m. of pinion. Considering only strength, design
the smallest diameter gears and find also necessary face width. The number of teeth should not be less
than 15 teeth on either gear. The elastic strength of bronze may be taken as 84 MPa and of steel as 105
MPa. Lewis factor for 14½½ pressure angle may be taken
0.684
0.124
y =
No. of teeth
as
[Ans. m 3 mm; b= 35 mm; Dp = 48 mm; D= 168 mm]
Chapter 1 Solutions
Bundle: Refrigeration And Air Conditioning Technology, 8th + Lab Manual + Lms Integrated For Mindtap Hvac-r, 4 Terms (24 Months) Printed Access Card
Ch. 1 - Temperature is defined as A. how hot it is. B. the...Ch. 1 - State the standard conditions for water to boil at...Ch. 1 - List four types of temperature scales.Ch. 1 - Under standard conditions, water freezes at ____C.Ch. 1 - Molecular motion stops at _______F.Ch. 1 - One British thermal unit will raise the...Ch. 1 - In which direction does heat flow? A. From a cold...Ch. 1 - Describe heat transfer by conduction.Ch. 1 - Increase in sensible heat causes A. a higher...Ch. 1 - Latent heat causes A. a higher thermometer...
Ch. 1 - Describe how heat is transferred by convection.Ch. 1 - Describe how heat is transferred by radiation.Ch. 1 - Specific heat is the amount of heat necessary to...Ch. 1 - Atmospheric pressure at sea level under standard...Ch. 1 - To change from psig to psia, you must add...Ch. 1 - Convert 80F of Celsius.Ch. 1 - Convert 22C to Fahrenheit.
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