Steel Structures MCQs Mock test Set-1

Page 1 of 3

1.

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

Greater than 30°

Less than 45°

Less than 30°

Between 40° and 70°

2.

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

gauge of rivets

all of these

pitch of rivets

diameter of rivet hole

3.

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

18.5 mm

21 mm

19 mm

21.5 mm

4.

The live loads

(c) both (a) and (b)

(d) do not vary in magnitude

(a) change their position

(b) vary in magnitude

5.

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

b) Fe 500

Both a) and b)

a) Fe 415

None of these

6.

Bolts are most suitable to carry

Shear and bending

Bending

Shear

Axial tension

7.

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

IS 961

IS 1977

IS 226

IS 2062

8.

A rolled I-section provides

Large moment of resistance as compared to the other sections

All of these

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

Greater lateral stability

9.

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

Rolled steel T-section

Rolled steel channel section

All of these

Rolled steel I-sections

10.

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

Six series

Four series

Seven series

Five series

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11.

The main advantage of a steel member is that it

has long service life

is gas and water tight

all of these

has high strength

12.

The single angle sections are used for

All of these

Trusses having gusset plates in one plane

Single plane trusses

Small trusses and bracing

13.

The dead loads

(a) do not change their position

(c) Both (a) and (b)

(d) change their position

(b) do not vary in magnitude

14.

Rolled steel T-sections are used

a) To transmit bracket loads to the columns

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

d) none of these

c) both a) and b)

15.

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

50%

33%

15%

25%

16.

High yield deformed bars have a

Chemical composition different from mild steel

Percentage elongation more than that of mild steel

Definite yield value

Percentage elongation less than that of mild steel

17.

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

I-section

Circular

Hollow circular

Channel

18.

The built-up sections are used because they provide

Sufficient large radius of gyration

Large cross-sectional area

All of these

Special shape and depth

19.

The pin of rocker bearing is designated for

All of these

Bearing

Shear

Bending

20.

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

Two angle sections

Two channel sections

Four channel sections

Four angle sections

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21.

Rivets are generally specified by

Diameter of the hole

Width of head

Length of the shank

Diameter of the shank

22.

A channel section consists of

Two webs and two flanges

One web and two flanges

Two webs

Two flanges

23.

Bearing Stiffness are provided at the

b) Point of application of concentrated load

None of these

a) Support

Both a) and b)

24.

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

50 mm thick and 8 mm length

50 mm thick and 8 mm width

50 mm width and 8 mm thick

50 mm length and 8 mm thick

25.

The common section used in lacing is

All of these

Rolled steel flat

Rolled channel

Rolled angle

26.

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

28.05 m²

18.00 m²

28.20 m²

27.

The weight of 1 m² of mild steel is approximately

79000 kg

790000 kg

7900 kg

790 kg

28.

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 16t

Lesser of 250 mm and 12t

Lesser of 250 mm and 16t

Lesser of 200 mm and 12t

29.

Diameter of a bolt hole is usually taken as

Nominal diameter + 2.0 mm

Nominal diameter + 1.5 mm

Nominal diameter of bolt

Gross diameter of bolt

30.

The heaviest I-section for same depth is

ISHB

ISLB

ISWB

ISMB

Steel Structures MCQs Mock test Set-1

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