Foxoyo
Hey..!!
Practice
Select topics and difficulty and just practice mcqs.
Topics
Structural Design Specifications
Topics
Light
Physics
Class 8
Science
User (name or email)
Users
pick difficulty level
all
1
2
3
4
5
number of questions
10
30
50
70
100
Start
Let's practice 30 mcqs on
Structural Design Specifications
mcqs by everyone
Columns are designed for a minimum eccentricity equal to 1/30 (unsupported length ofthe column), subject to a minimum of
20 mm
15 mm
10 mm
5 mm
A column of rectangular section is considered short, if both the slenderness ratios are less than
10
8
16
12
The minimum compressive strength on 15 cm cubes of M 30 grade concrete at 7 days, should be a minimum of
20 N/mm2
7 N/mm2
30 N/mm2
10 N/mm2
A continuous beam shall be deemed to be a deep beam if the ratio of its effective span to overall depth, is
less than 2.5
2.0
2.5
less than 2
For calculating critical compression stress in bending Cs for sections symmetrical about the x-x axis, from the formula , the value of G is taken
0.5 E
0.4 E
0.3 E
0.2 E
Four reinforcing bars of 30 mm diameter each, are bundled incontact.
The lower two bars extend up to endsupports.
The distance between the points of termination of the upper bars, is kept
Zero
0.9 m
1.2 m
0.75 m
For design purpose, the moment at the support where two unequal spans or spans not equally loaded meet, is
average of two values
None of these.
lesser value
greater value
The minimum length of the side or diameter of the column base shall not be less than (where d is the minimum diameter of the column)
(d + 75) mm
1.2 (d - 75) mm
1.6 (d + 75) mm
1.5 (d + 75) mm
Minimum thickness of steel work directly exposed to weather but not accessible for cleaning and repainting, the thickness should be not less than
8 mm
4 mm
6 mm
7 mm
For deformed reinforcing bars, the permissible design bond stress may be increased by
60%
30%
50%
40%
20%
The grade of plain concrete to be used in sea water or structures exposed to sea water, should be
M 15
M 20
M 30
M lO
Moist curing of the exposed surfaces of concrete is done at least for
3 days
14 days
7 days
5 days
Pick up the correct statement applicable to cased columns
Single I-beam or channels back with or without flange plates may be used
The overall dimensions of the steel section do not exceed 750 x 450 mm over plate if used
The surface and edges of the steel column should be provided a concrete cover not less than 50 mm
All the above.
The staggered pitch is the distance between two consecutive rivets measured
None of these.
perpendicular to the direction of stress in the member
diagonally
parallel to the direction of stress in the member
Creep of concrete is assumed proportional to the stress if the stress does not exceed .......of the characteristic compressive strength
20%
50%
25%
15%
33%
The ratio of the effective length to the least radius of gyration of a tie member of a roof truss, which gets subjected to reversal of stress shall not exceed
180
240
200
350
The width of lacing bars in mm is kept
thrice the nominal rivet diameter
equal to nominal rivet diameter
maximum of the above rounded to nearest 5 mm.
twice the nominal rivet diameter
The effective and actual lengths of a cantilever are same if continuous at the support,
unstrained against torsion at the support and free at the end
restrained against torsion at the support and free at the end
with partial restraint against torsion of the support and free at the end
none of the these.
If the slenderness ratio of a column is more than 160, the compressive stress obtained by the secant formula is multiplied by a factor in which value of x is
1.5
1.1
1.2
None of these.
0.9
The maximum characteristic strength of the stirrups reinforcement, is taken
None of these.
375 N/mm2
415 N/mm2
395 N/mm2
350 N/mm2
If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from
- 2 mm to + 2 mm
- 5 mm to + 5 mm
- 3 mm to + 3 mm
- 4 mm to + 4 mm
The depth 'd' of webs without horizontal stiffeners and consisting of tongue plates is taken lesser than the depth of the girder between the flanges less the sum of the depth of the tongue plates, and
six times the sum of the thickness of tongue plates
eight times the sum of the thickness of tongue plates
four times the sum of the thickness of tongue plates
None of the above.
In adverse circumtances, the reinforced concrete member immersed in sea water or subjected to sea spray, the maximum permissible cover for the reinforcing bars, should not exceed
50 mm
70 mm
60 mm
40 mm
75 mm
For the reinforced concrete member totally immersed in sea water, the normal cover provided for the reinforcing bars is further increased by
40 mm
30 mm
20 mm
50 mm
10 mm
The minimum pitch
i.e., the distance between centres of rivet holes is not less than
3.0 times the hole diameter
None of these.
1.5 times the hole diameter
2.0 times the hole diameter
2.5 times the hole diameter
The over all depth of a solid slab is 20 cm and effective depth is 15 cm. The horizontal distance between parallel main reinforcement should not be more than
30 cm
60 cm
40 cm
45 cm
M 30 grade concrete means, its compressive strength of 15-cm cube, is 30 N/mm2 after
21 days
3 days
28 days
7 days
For concreting of shallow sections with vibration, the work ability of concrete should be
high.
Low
very low
Medium
For design of a column the eccentricity of loading shall be taken as the distance from the assumed point of application of the load to the centroid of the column, subject to a minimum of
30 mm
40 mm
50 mm
20 mm
10 mm
For concreting of heavily reinforced sections without vibration, the workability of concrete should be
very low
Low
high.
Medium
Learn
Correct Attempts
Score
00/00
in
00:00