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Machine Design

Machine Design
For a shaft diameter of 200 mm, the number of bolts in a marine flange coupling should be

6
4
8
10

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Machine Design
A V-belt designated as B 4430 LP has

4430 mm as diameter of large pulley
4430 mm as centre distance between pulleys
4430 mm as nominal pitch length
4430 mm as diameter of small pulley

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Machine Design
The bending stress in a curved beam is

Zero at the centroidal axis
Zero at the point other than centroidal axis
Maximum at the neutral axis
None of these

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Machine Design
The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to

4 T
T/2
2 T
1 T

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Machine Design
In a flange coupling, the flanges are coupled together by means of

Studs
Headless taper bolts
None of these
Bolts and nuts

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Machine Design
Lewis form factor for 14½° composite and full depth involute system is (where T = Number of teeth)

0.154 - (0.912/T)
0.175 - (0.841/T)
0.124 - (0.684/T)
None of these

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