The greater clear dimension of web of thickness't' should not exceed
-
180 t -
200 t -
240 t -
270 t
Pick up the correct statement from the following:
-
Flange joints are preferably located at points of maximum stress -
The area of splice plates should be 5% in excess of flange elements spliced -
The C.G. of the flange splice should coincide with that of the element spliced -
For welding flange splice, complete penetration butt welds should be used -
None of these.
Minimum diameter of the lateral ties should not be less than
-
4 mm -
5 mm -
6 mm -
10 mm
If the ends of the compression flanges of simply supported girders are fully restrained against lateral bending, the effective length is taken as
-
span -
0.85 x span -
0.7 x span -
0.5 x span
The side face reinforcement is provided if the depth of the web of a beam exceeds
-
600 mm -
650 mm -
700 mm -
750 mm -
800 mm
For under water concreting.
-
at least 10 percent more cement is required as compared to dry conditions -
the volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate -
the slump should not be less than 100 mm and not more than 180 mm -
dewatering by pumping is not done or until 24 hours thereafter -
All the above
The maximum spacing of shear reinforcement should not exceed 0.d subject to a minimum of
-
300 mm -
350 mm -
400 mm -
450 mm -
500 mm
The individual part of the structures is subjected to a load test forhours by applying a load equal to full dead load of the structure plus
-
imposed load -
1.15 times imposed load -
1.25 times imposed load -
1.3 times imposed load.
The staggered pitch is the distance between two consecutive rivets measured
-
parallel to the direction of stress in the member -
perpendicular to the direction of stress in the member -
diagonally -
none of these.
The development length of each bar of three bars bundled together is increased by
-
10% -
20% -
33% -
50%
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 -
1.5 (d + 75) mm -
1.6 (d + 75) mm
The width of lacing bars in mm is kept
-
equal to nominal rivet diameter -
twice the nominal rivet diameter -
thrice the nominal rivet diameter -
maximum of the above rounded to nearest 5 mm.
For nominal mix concrete Mthe required quantity of water perkg. of cement, is
-
60 litres -
45 litres -
34 litres -
30 litres
The development length of each bar of three bars bundled together is increased by
-
10% -
20% -
33% -
50%
For nominal mix concrete Mthe required quantity of water perkg. of cement, is
-
60 litres -
45 litres -
34 litres -
30 litres
The development length of each bar of three bars bundled together is increased by
-
10% -
20% -
33% -
50%
For under water concreting.
-
at least 10 percent more cement is required as compared to dry conditions -
the volume of coarse aggregates shall not be less than one and half times and not more than twice that of fine aggregate -
the slump should not be less than 100 mm and not more than 180 mm -
dewatering by pumping is not done or until 24 hours thereafter -
All the above
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 -
1.5 (d + 75) mm -
1.6 (d + 75) mm
The ratio of the effective lengths of two columns, one effectively held in position at one end and partially restrained at the other end, and the other effectively held in position at one end and free at the other end, is
The ratio of the effective lengths of two columns, one effectively held in position at one end and partially restrained at the other end, and the other effectively held in position at one end and free at the other end, is
The grade of plain concrete to be used in sea water or structures exposed to sea water, should be
-
M lO -
M 15 -
M 20 -
M 30
For battened struts, the effective length is increased by
-
5% -
7.5% -
10% -
12.5% -
15%
The designed transverse shear in lacing is assumed as
-
2.5% of axial load -
3% of axial load -
3.5% of axial load -
4% of axial load.
Pick up the correct precaution while spilicing the reinforcing bars
-
These are provided away from the sections of maximum stress -
These are staggered -
These are provided if the B.M. is more than 50% of M.R. -
Not more than half the bars are spliced at a section -
All the above.
For the plain reinforcing bars in compression, the permissible design bond stress in tension, is increased by
-
10% -
15% -
20% -
25% -
30%
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
-
10 mm -
20 mm -
30 mm -
40 mm -
50 mm
In case of continuous beams, the distance between the points of zero moment, may be obtained as (where l is the effective span).
-
0.5 l -
0.6 l -
0.7 l -
0.8 l
The slenderness ratio of single angle discontinuous struts conmected by a single rivet or bolt, shall not exceed
-
110 -
130 -
150 -
180
For heavily reinforced concrete member, the nominal maximum size of the aggregates should be restricted to
-
5 mm less than the minimum clear distance between the main bars -
5 mm less than the minimum cover to the reinforcement -
smaller of (a) and (b) -
greater of (a) and (b)
The maximum area of compression reinforcement in a beam of cross section B x D is limited to
-
0.02 BD -
0.03 BD -
0.04 BD -
0.05 BD