Engineering :: Strength of Materials
271.
The load at which the column just buckles, is known as
A.
buckling load
B.
critical load
C.
crippling load
D.
any one of these
Answer: Option D
Explanation:
272.
For long columns, the value of buckling load is
A.
equal to
B.
less than
C.
more than
Answer: Option B
Explanation:
273.
Compression members always tend to buckle in the direction of the
A.
axis of load
B.
perpendicular to the axis of load
C.
minimum cross section
D.
least radius of gyration
Answer: Option D
Explanation:
274.
The direct stress induced in a long column is
Answer: Option D
Explanation:
275.
A column that fails due to direct strss, is called
A.
short column
B.
long column
C.
weak column
D.
medium column
Answer: Option A
Explanation:
276.
The assumption made in Euler's column theory is that
A.
the failure of column occurs due to buckling alone
B.
the length of column is very large as compared to its cross-sectional dimensions
C.
the column material obeys Hooke's law
D.
all of the above
Answer: Option D
Explanation:
277.
According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is
A.
equal to
B.
two times
C.
four times
D.
eight times
Answer: Option C
Explanation:
278.
According to Euler's column theory, the crippling load for a column of length (l) with one end fixed and the other end free is
A.
equal to
B.
less than
C.
more than
Answer: Option B
Explanation:
279.
According to Euler's column theory, the crippling load of a column is given by P = ?2 EI / Cl2. In this equation, the value of C for a column with both ends hinged, is
Answer: Option C
Explanation:
280.
In the Euler's formula, the value of C for a column with one end fixed and the other end hinged, is 1 / 2.
Answer: Option A
Explanation:
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