When the ratio of the moment M to axial load P is greater than L/6, the resultant of the compressive bearing pressure which acts at a distance Y from one side, is given by
y = (L/3) - (M/P)
y = (L/2) - (P/M)
y = (L/2) + (M/P)
y = (L/3) + (M/P)
Correct Answer :
B. y = (L/2) - (P/M)
Related Questions
The permissible bearing stress in steel, is
1500 kg/cm2
1890 kg/cm2
2025 kg/cm2
2340 kg/cm2
The slenderness ratio of a column is zero when its length
Is zero
Is equal to its radius of gyration
Is supported on all sides throughout its length
Is between the points of zero moments
A fillet weld whose axis is parallel to the direction of the applied load, is known as
Diagonal filler weld
End fillet weld
Side fillet weld
All the above
The deflection of beams may be decreased by
Increasing the depth of beam
Increasing the span
Decreasing the depth of beam
Increasing the width of beam
Long column is one
Which is more than 3 m long
Whose lateral dimension is less than 25 cm
Which is free at its top
Which has a ratio of effective length and least lateral dimension more than 15
The maximum slenderness ratio of a compression member carrying both dead and superimposed load is
180
200
250
350
Working shear stress on the gross area of a rivet as recommended by Indian Standards, is
785 kg/cm2
1025 kg/cm2
2360 kg/cm2
None of these
Column footing is provided
To spread the column load over a larger area
To ensure that intensity of bearing pressure between the column footing and soil does not exceed permissible bearing capacity of the soil
To distribute the column load over soil through the column footing
All the above
Water pressure in a 80 cm water main is 10 kg/cm2. The minimum thickness of the metal required for the water main, not to be stressed more than 200 kg/cm2, is
1 cm
1.5 cm
2 cm
2.5 cm
In plastic analysis, the shape factor for circular sections, is
1.5
1.6
1.697
None of these
As per IS : 875, for the purposes of specifying basic wind velocity, the country has been divided into
4 zones
5 zones
6 zones
7 zones
The number of seismic zones in which the country has been divided is
3
5
6
7
The bending moment for filler joists at the middle of an intermediate span, is
WL²/10
- WL²/10
- WL²/12
WL²/12
The thickness of the web of a mild steel plate girder is less than d/200. If only one horizontal stiffener is used, it is placed at
The neutral axis of the section
2/3rd of the depth of the neutral axis from the compression flange
2/5th of the depth of the neutral axis from the compression flange
2/5th of the height of the neutral axis from tension flange
If the floor is supported at or near the bottom but top chords of a bridge is not braced, then the bridge is called
Deck type
Through type
Half through type
Double deck type
If P is the wind pressure in kg/cm2, v is the velocity in km/hour and K is a constant of proportionality, then
P = K/v2
v = K/P2
P = Kv2
P = Kv
The method of design of steel framework for greatest rigidity and economy in weight, is known as
Simply design
Semi-rigid design
Fully rigid design
None of these
The strength of a riveted lap joint is equal to its
Shearing strength
Bearing strength
Tearing strength
Least of (a), (b) and (c)
The distance between the outer faces of flanges of a plate girder, is known as
Overall depth
Clear depth
Effective depth
None of these
A butt weld is specified by
Effective throat thickness
Plate thickness
Size of weld
Penetration thickness
A steel beam supporting loads from the floor slab as well as from wall is termed as
Stringer beam
Lintel beam
Spandrel beam
Header beam
As compared to field rivets, the shop rivets are
Stronger
Weaker
Equally strong
Any of the above
The side thrust T on the tie rods provided at the end beam of jack arch of rise R, is calculated from the formula
T = WL/4R
T = WR/8L
T = WL/8R
T = WL/2R
Live load
Varies in magnitude
Varies in position
Is expressed as uniformly distributed load
All the above
Number of rivets required in a joint, is
Load/Shear strength of a rivet
Load/Bearing strength of a rivet
Load/Tearing strength of a rivet
Load/Rivet value
Pick up the correct statement from the following:
The steel beams placed in plain cement concrete, are known as reinforced beams
The filler joists are generally continuous over three-supports only
Continuous fillers are connected to main beams by means of cleat angles
Continuous fillers are supported by main steel beams
The main assumption of the method of simple design of steel frame work, is:
Beams are simply supported
All connections of beams, girders and trusses are virtually flexible
Members in compression are subjected to forces applied at appropriate eccentricities
All the above
A 20 mm dia steel bar which is subjected to an axial tension of 2300 kg/cm2 produces a strain of 0.004 cm. If Young's modulus of steel is 2.1 × kg/cm2, the bar is
In the elastic range
In the plastic range
At yield point
None of these
The elastic strain for steel is about
1/12 of strain at the initiation of strain hardening and about 1/120 of maximum strain
1/2 of strain at the initiation of strain hardening and about 1/12 of maximum strain
1/12 of strain at the initiation of strain hardening and 1/200 of maximum strain
1/24 of strain at the initiation of strain hardening and about 1/200 of maximum strain
The web crippling due to excessive bearing stress can be avoided by
Increasing the web thickness
Providing suitable stiffener
Increasing the length of the bearing plates
None of the above