Steel Structures MCQs Mock test Set-1

1.

An angle section can be used as a purlin when slope of the roof truss is

Greater than 30°

Between 40° and 70°

Less than 45°

Less than 30°

2.

The dead loads

(d) change their position

(b) do not vary in magnitude

(c) Both (a) and (b)

(a) do not change their position

3.

As per IS code, the maximum pitch of rivets in compression flange (thickness 't') of a built up beam is

Lesser of 250 mm and 12t

Lesser of 250 mm and 16t

Lesser of 200 mm and 16t

Lesser of 200 mm and 12t

4.

Rolled steel T-sections are used

d) none of these

b) with flat strips to connect plates in the steel rectangular tanks

a) To transmit bracket loads to the columns

c) both a) and b)

5.

Bearing Stiffness are provided at the

a) Support

None of these

b) Point of application of concentrated load

Both a) and b)

6.

The built-up sections are used because they provide

Special shape and depth

All of these

Large cross-sectional area

Sufficient large radius of gyration

7.

The most efficient section for a given beam for a given cross-sectional area is

I-section

Channel

Hollow circular

Circular

8.

Rolled steel flats designated by 50 ISF 8 means that the flat is of

50 mm length and 8 mm thick

50 mm thick and 8 mm width

50 mm thick and 8 mm length

50 mm width and 8 mm thick

9.

A steel plate is 30 cm wide and 10 mm thick. A rivet of nominal diameter of 18 mm is driven. The net sectional area of plate is

32.42 m²

18.00 m²

28.20 m²

28.05 m²

10.

A rolled I-section provides

Large moment of resistance as compared to the other sections

All of these

Greater lateral stability

Large amount of inertia about X-axis with less cross-sectional area

Steel Structures MCQs Mock test Set-1

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