TEST ID 3213

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TEST ID 3213

Postby rajendraism » Sun Feb 06, 2011 10:03 pm

Q.1
ANS must be B
f.dy+g.dx=0
M=g
N=f


Q.2
ANS must be A
In ur ANS 4th step
8(-1)-3-6i+4i= -11-2i but ins oln given 11-2i


Q.36
Please explain how 3.75 min came
as my knowledge
N VALUE 424.4 RPM =7.07 rev/sec
f=.2
time=L/fN
31.28 second
and what happens after that

Q.50 and 51
how area=Rw ???
i think it=pi*D*w

Please explain 39
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Re: TEST ID 3213

Postby damodararao » Mon Feb 07, 2011 5:42 pm

@ Q. 50 and 51.
Here the area is nothing but the area which is exerted by pressure and it is not frictional area, therefore area = Rw only
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