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Determine size or a standard square key made of

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Reference no: EM132224203

1) Determine size or a standard square key made of 1045 hot rolled steel for a 2 inch DIA shaft transmitting 100 HP at 500 rpm with factor of safety 2.5 for yield in direct shear.

w ............... inch   L ............... inch

 

2) What is the maximum force F in units of Newtons that the shaft shown below can support on its hydrodynamic bearings? What is the minimum film thickness in microinch?

F ________ N    hMIN ________________ microinch

1536_1.png

 

Speed: 1800 RPM

Bearing DIA.: 3 inches

Bearing lenglh: 1 inch

Viscosity: 10 treyns

| Clearance ratio: 0.00 1

H 8” + , ON: 2s

 

 

 

3) What is the difference between SAE 30 oil and 10W30 oil?

 

Reference no: EM132224203

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