Steel Structures MCQs Mock test Set-1

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1.

The perforated cover plates are particularly suitable for a built up box section consisting of

Four angle sections

Four channel sections

Two channel sections

Two angle sections

2.

The pin of rocker bearing is designated for

Bearing

Bending

All of these

Shear

3.

Bearing Stiffness are provided at the

None of these

Both a) and b)

a) Support

b) Point of application of concentrated load

4.

For construction purpose, which of the following grades of steel bar used?

b) Fe 500

a) Fe 415

None of these

Both a) and b)

5.

Which of the following IS code defines the high tensile steel?

IS 226

IS 961

IS 2062

IS 1977

6.

For a rivet of 20 mm diameter, the diameter of hole will be taken as

19 mm

18.5 mm

21 mm

21.5 mm

7.

The weight of 1 m² of mild steel is approximately

790000 kg

79000 kg

790 kg

7900 kg

8.

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

Between 40° and 70°

Less than 30°

Less than 45°

Greater than 30°

9.

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

Circular

I-section

Channel

Hollow circular

10.

Rolled steel T-sections are used

a) To transmit bracket loads to the columns

c) both a) and b)

d) none of these

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

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11.

Bolts are most suitable to carry

Shear

Axial tension

Shear and bending

Bending

12.

The heaviest I-section for same depth is

ISHB

ISMB

ISWB

ISLB

13.

A rolled I-section provides

All of these

Large moment of resistance as compared to the other sections

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

Greater lateral stability

14.

The common section used in lacing is

Rolled channel

Rolled angle

All of these

Rolled steel flat

15.

Rivets are generally specified by

Length of the shank

Diameter of the hole

Width of head

Diameter of the shank

16.

The live loads

(b) vary in magnitude

(d) do not vary in magnitude

(a) change their position

(c) both (a) and (b)

17.

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

Lesser of 200 mm and 12t

Lesser of 200 mm and 16t

Lesser of 250 mm and 12t

Lesser of 250 mm and 16t

18.

The single angle sections are used for

Single plane trusses

Small trusses and bracing

Trusses having gusset plates in one plane

All of these

19.

High yield deformed bars have a

Definite yield value

Percentage elongation less than that of mild steel

Percentage elongation more than that of mild steel

Chemical composition different from mild steel

20.

The built-up sections are used because they provide

Large cross-sectional area

Special shape and depth

Sufficient large radius of gyration

All of these

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21.

The type of rolled steel section mainly used as structural member is

Rolled steel channel section

All of these

Rolled steel I-sections

Rolled steel T-section

22.

The permissible stresses in rivets under wind load condition as per IS: 800 can be exceeded by about

25%

15%

33%

50%

23.

In a tension member, when one or more than one rivet hole is off the line, then the failure of plate depends upon

pitch of rivets

all of these

gauge of rivets

diameter of rivet hole

24.

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

18.00 m²

28.05 m²

32.42 m²

28.20 m²

25.

The dead loads

(a) do not change their position

(d) change their position

(b) do not vary in magnitude

(c) Both (a) and (b)

26.

The main advantage of a steel member is that it

has long service life

all of these

has high strength

is gas and water tight

27.

As per Indian standards, rolled steel I-sections are classified into

Four series

Five series

Six series

Seven series

28.

Diameter of a bolt hole is usually taken as

Nominal diameter of bolt

Nominal diameter + 1.5 mm

Gross diameter of bolt

Nominal diameter + 2.0 mm

29.

A channel section consists of

Two webs and two flanges

Two webs

One web and two flanges

Two flanges

30.

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

50 mm thick and 8 mm width

50 mm length and 8 mm thick

50 mm thick and 8 mm length

50 mm width and 8 mm thick

Steel Structures MCQs Mock test Set-1

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