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Q1. | Bulb angles are used in. |

A. | column building [Wrong Answer] |

B. | bridge building [Wrong Answer] |

C. | ship building [Correct Answer] |

D. | water tank building. [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of.

area of compression flange at the minimum bending moment to the corresponding area at the point of maximum bending moment

area of tension flange at the minimum bending moment of the corresponding area at the point of maximum bending moment

total area of flanges at the maximum bending moment to the corresponding area at the point of maximum bending moment

none of these.

⇒ By providing sufficient edge distance, which of the following failures of riveted joint can be avoided ?

tension failure of the plate

shear failure of the rivet

shear failure of the plate

crushing failure of the rivet

⇒

Lug angle is. |

used with single angle member

not used with double angle member

used with channel member

all the above.

⇒ If the depth of two column sections are equal, then the column splice is provided.

with filler plates

with bearing plates

with filler and hearing plates

none of these.

⇒ In factory buildings, the horizontal beams spanning between the wall columns supporting a wall covering, are called.

stringers

trimmers

girts

lintels.

⇒ For a steel grillage footing to support two unequal column loads.

line of action of the resultant of two column loads, is made to coincide with the centre of gravity of the base of the footing

trapezoidal shape is used for the base footing

bending moment under the columns are kept equal to the bending moment between to two columns

all the above.

⇒ The least dimension in case of a circular column of diameter D is taken as

0.5 D

0.68 D

0.88 D

D

⇒ According to IS : 800-1962 the permissible bending stress in steel slab plates, is.

1500 kg/cm2

1420 kg/cm2

2125 kg/cm2

1890 kg/cm2

⇒ The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called.

crippling load

buckling load

critical load

all the above.

⇒ Water pressure in a 80 cm water main is 10 kg/cm

^{2}. The minimum thickness of the metal required for the water main, not to be stressed more than 200 kg/cm

^{2}, is.

1 cm

1.5 cm

2 cm

2.5 cm

⇒ The most economical section for a column, is.

rectangular

solid round

flat strip

tubular section

⇒ For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?

equal angles back to back

unqual legged angles with long legs back to back

unequal legged angles with short legs back to back

both (b) or (c)

⇒ The cross-section of a standard fillet is a triangle whose base angles are.

45Â° and 45Â°

30Â° and 60Â°

40Â° and 50Â°

20Â° and 70Â°

⇒ The effective length of a battened column is increased by

5%

10%

15%

20%

⇒ The most commonly used rivet head is

Snap head

Pam head

Flat head

All are correct

⇒ The deep structural members subjected to transverse loads are called

Beam

Columns

Plate girders

Trusses

⇒ Useful life of permanent bridge is considered to be

15 years

25 years

50 years

100 years

⇒ The Indian standard code which deals with steel structures, is.

IS : 875

IS : 800

IS : 456

IS : 1893

⇒ The web crippling due to excessive bearing stress can be avoided by

increasing the web thickness

providing suitable stiffeners

increasing the length of the bearing plates

none of the above

⇒ Load factor is

always equal to factor of safety

always less than factor of safety

always greater than factor of safety

sometimes greater than factor of safety

⇒ The slenderness ratio of a column supported throughout its length by a masonry wall is

zero

10

100

infinity

⇒ The sway bracing is designed to transfer

2Vi % of the top panel wind load to bottom bracing

10% of the top panel wind load to bottom bracing

25% of the top panel wind load to bottom bracing

50% of the top panel wind load to bottom bracing

⇒ According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

1.0

1.4

1.8

2.0

⇒ The allowable stress in axial tension is generally kept less if thickness of the member is more than.

10 mm

12 mm

15 mm

20 mm

⇒ According to IS: 800-1962, the coefficient of expansion of steel per degree centigrade per unit length, is taken as.

0.000008

0.000010

0.000012

0.000014

⇒ Economical depth of a plate girder corresponds to

minimum weight

minimum depth

maximum weight

minimum thickness of web

⇒ A beam is defined as a structural member subjected to.

axial loading

transverse loading

axial and transverse loading

none of these.

⇒ The risk coefficient k, depends on

mean probable design life of structures

basic wind speed

both (a) and (b)

none of the above

⇒ 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.

⇒ Which of the following sections should preferably be used at places where torsion occurs ?

angle section

channel section

box type section

any of the above