ExamVeda
Login
Home

Two shafts 'A' and 'B' are made of same material The...

This question belongs to Mechanical Engineering Strength Of Materials In ME
Strength of Materials in ME
?

Two shafts 'A' and 'B' are made of same material. The shaft 'A' is of diameter D and shaft 'B' is of diameter $$\frac{{\text{D}}}{2}.$$ The strength of shaft 'B' is _________ as that of shaft 'A'

Answer & Solution
Correct Answer: Option A
Let's discuss the solution. Join the discussion
Examveda
Question posted by Examveda
Community

Join the Discussion

1 Comment
Muhammad Nabi
Muhammad Nabi 5 years ago
AS WE KNOW THAT STRENGTH OF SHAFT IS MEASURED BY POLOR MODULUS
POLOR MODULUS = J/R
HERE SOLID SHAFT IS GIVEN SO FOR SOLID SHAFT
Pi/16 (D)^3
NOW AS Db =D/2
AND Da=D
So
Pi/16(Db)^3 DIVIDE BY Pi/16(Da)^3
AFTER CANCELATION WE GET
(Db/Da)^3
Put Db=(D/2)^3=D^3/2^3=D^3/8
Now
(D^3/8) /D^3
=1/8
Keep Learning

Related Questions on Strength of Materials in ME

A lap joint is always in _________ shear.
A. Single B. Double C. Both A and B D. None of these
A pressure vessel is said to be a thin shell when the ratio of wall thickness of the vessel to its diameter is __________ $$\frac{1}{{10}}.$$
A. Equal to B. Less than C. Greater than D. None of these
A simply supported beam with a gradually varying load from zero at ‘B’ and ‘w’ per unit length at ‘A’ is shown in the below figure. The shear force at ‘B’ is equal to
Strength of Materials mcq question image
A. $$\frac{{{\text{w}}l}}{6}$$ B. $$\frac{{{\text{w}}l}}{3}$$ C. $${\text{w}}l$$ D. $$\frac{{2{\text{w}}l}}{3}$$
The columns whose slenderness ratio is less than 80, are known as
A. Short columns B. Long columns C. Weak columns D. Medium columns
More Related Questions on Strength of Materials in ME