Structural Analysis - I (3140603) MCQs

MCQs of Direct and Bending stresses + Column & Struts

Showing 11 to 20 out of 61 Questions
11.
To ascertain the maximum permissible eccentricity of loads on circular columns, the rule generally followed, is
(a) middle half rule of columns
(b) middle fourth rule of columns
(c) middle third rule of columns
(d) none of these
Answer:

Option (b)

12.
A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be
(a) Pa2
(b) 2Pa2
(c) 3Pa2
(d) 4Pa2
Answer:

Option (c)

13.
A masonry dam (density = 20, 000 N/m3) 6 m high, one metre wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be
(a) 75 N/m2
(b) 750 N/m2
(c) 7500 N/m2
(d) 75000 N/m2
Answer:

Option (c)

14.
The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is
(a) bs
(b) b×s
(c) b×s
(d) sb
Answer:

Option (a)

15.
A circular section of beam having diameter D is replaced by square section of side D, the bending stress will,
(a) Not change
(b) Increase
(c) Reduce
(d) Depend on size D
Answer:

Option (c)

16.
Direct and bending stress occurs due to
(a) Axial loading
(b) Concentric loading
(c) Eccentric loading
(d) Any of the above
Answer:

Option (c)

17.
The stability of dam is checked for
(a) Tension at the base, overturning & sliding
(b) Compression at the base, overturning & sliding
(c) Overturning and sliding only
(d) None of above
Answer:

Option (a)

18.
The rectangular section with sides 3 m and 6 m has a core,
(a) Parallelogram of sides 2m, 4m
(b) Square diagonal of sides 1m, 3m
(c) Circular of radius 3m
(d) Rhombus diagonal of sides 1m, 2m
Answer:

Option (d)

19.
For no tension condition, resultant of all horizontal and vertical loads must pass through middle _____ of base of dam.
(a) 1/6th
(b) 1/8th
(c) 1/3rd
(d) 1/4th
Answer:

Option (c)

20.
The materials which have the same elastic properties in all directions, are called
(a) isotropic
(b) brittle
(c) homogeneous
(d) hard
Answer:

Option (a)

Showing 11 to 20 out of 61 Questions