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

Between 40° and 70°

Less than 30°

Less than 45°

Greater than 30°

2.

The common section used in lacing is

All of these

Rolled angle

Rolled channel

Rolled steel flat

3.

High yield deformed bars have a

Definite yield value

Percentage elongation more than that of mild steel

Chemical composition different from mild steel

Percentage elongation less than that of mild steel

4.

The live loads

(b) vary in magnitude

(d) do not vary in magnitude

(c) both (a) and (b)

(a) change their position

5.

The single angle sections are used for

Single plane trusses

Small trusses and bracing

Trusses having gusset plates in one plane

All of these

6.

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

28.05 m²

18.00 m²

28.20 m²

32.42 m²

7.

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

Four angle sections

Two angle sections

Four channel sections

Two channel sections

8.

A channel section consists of

One web and two flanges

Two webs

Two webs and two flanges

Two flanges

9.

Rolled steel T-sections are used

d) none of these

a) To transmit bracket loads to the columns

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

c) both a) and b)

10.

The dead loads

(b) do not vary in magnitude

(a) do not change their position

(c) Both (a) and (b)

(d) change their position

Page 2 of 3

11.

Diameter of a bolt hole is usually taken as

Nominal diameter + 2.0 mm

Gross diameter of bolt

Nominal diameter of bolt

Nominal diameter + 1.5 mm

12.

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 16t

Lesser of 200 mm and 16t

Lesser of 200 mm and 12t

Lesser of 250 mm and 12t

13.

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

pitch of rivets

all of these

diameter of rivet hole

14.

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

Rolled steel I-sections

Rolled steel channel section

All of these

Rolled steel T-section

15.

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

IS 2062

IS 226

IS 1977

IS 961

16.

Bearing Stiffness are provided at the

b) Point of application of concentrated load

None of these

a) Support

Both a) and b)

17.

Rivets are generally specified by

Diameter of the shank

Diameter of the hole

Length of the shank

Width of head

18.

The heaviest I-section for same depth is

ISMB

ISHB

ISWB

ISLB

19.

The pin of rocker bearing is designated for

Bending

Bearing

All of these

Shear

20.

A rolled I-section provides

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

All of these

Large moment of resistance as compared to the other sections

Greater lateral stability

Page 3 of 3

21.

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

I-section

Hollow circular

Channel

Circular

22.

The main advantage of a steel member is that it

all of these

has long service life

is gas and water tight

has high strength

23.

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

15%

25%

50%

33%

24.

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

50 mm thick and 8 mm width

50 mm width and 8 mm thick

50 mm length and 8 mm thick

50 mm thick and 8 mm length

25.

The built-up sections are used because they provide

Large cross-sectional area

Special shape and depth

All of these

Sufficient large radius of gyration

26.

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

18.5 mm

21 mm

21.5 mm

19 mm

27.

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

Six series

Four series

Seven series

Five series

28.

Bolts are most suitable to carry

Bending

Axial tension

Shear and bending

Shear

29.

The weight of 1 m² of mild steel is approximately

790000 kg

7900 kg

790 kg

79000 kg

30.

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

a) Fe 415

Both a) and b)

None of these

b) Fe 500

Steel Structures MCQs Mock test Set-1

Related

Leave a ReplyCancel reply

Secured Payments

Protection

Steel Structures MCQs Mock test Set-1

Share this Now with Friends:

Related

Leave a ReplyCancel reply

Secured Payments

Protection