AS FINALS REVIEWER

True

L-shapes can have equal or unequal legs

KL/ry= 64.90

A W24×104 with sections properties shown is to be used as a column. If the

The tightness that exists when all plies in a joint are in firm contact.

What does “snug-tight condition” refer to in bolted connections?

Smaller safety factor against slippage.

In a bearing-type connection, the allowable stress is higher because of:

AISC (American Institute of Steel Construction)

What association was founded in 1921 as a non profit, technical institute and trade association for the use of structural steel in the construction industry?

Allowable Stress Design (ASD)

Which steel design method compared the working (service) stresses to allowable stresses using a single factor of safety

Can be disassembled easily

Which of the following is an advantage of bolted connections compared to riveted and welded connections

Bolted connections

Which of the following is considered the most common and economical connection used?

A307 Steel

According to ASTM, common bolts are classified as:

The center-to-center distance of bolt lines perpendicular to axis of member

What is the “gage” in the context of spacing of bolts

Rivets, bolts, welds

Individual parts or members assembled compose every structure. These members must be fastened together by means of:

174.9 MPa

What is the bending stress of a steel section with a simple span of 10m and a point load at midspan. Assume that the beam is laterally supported. Include the weight of the beam. Fy = 265 MPa

647.5 KN

Using a w27×336 steel column, with section properties shown below; what would be the safe axial load that can be carried by the section, if the unsupported length along the x-axis is 10000 mm and 5000 mm for y-axis? Use Fy=248 MPa and K=1.20

Section Properties:

A= 64000 mm2

W=500 kg/m

Ix= 6080 × 10⁶ mm⁴

ly= 491 × 10⁶ mm⁴

1, 785.6 KN

Given: A steel tension member with a net area of 12,000 mm² and Fy= 248 MPa. What is the maximum allowable tensile load?

Local flange buckling may occur

What happen when the flange width-to-thickness ratio (bf/tf) exceeds the prescribed limit?

Oversized Hole (OVS)

Which type of bold hole has a diameter larger than the bolt diameter, requiring hardened washers for bearing applications in outer plies?

Less noise compared to rivets

Which of the following is NOT an advantage of bolted connections compared to riveted and welded connections?

A beam with a flange-to-thickness and web-to-thickness ratio within code limits

Which of the following statements best describes a compact steel beam section?

Slenderness Ratio= KL/r

What is the formula for slenderness ratio

It fills the hole and shrinks, providing a clamping force.

What happens to the shank of a hot-driven rivet as it cools?

At least on criteria must be met in order for a section to be considered as compact

False

Slip-critical/friction connection

Which of the following is a type of connection designed for fatigue loading and for connections subject to direct tension?

Major structural connections

High-strength bolts are primarily used in:

Tensile force in the bolt, resulting in a predictable clamping force.

High-strength bolts are often tightened to develop a specified:

Calculate the required Section Modulus (Sx or Sy)

After determining the Maximum Moment on a beam, what is the next step in selecting an appropriate steel selection according to the provided module

W-shapes

Which of the following steel shapes is described as being the “Most Common, and commercially available locally” and is often used for beams and columns?

Ductility

An important property of steel which allows absorption and redistribution of stresses in continuous members and at points of high local stress caused by external forces.

Cold Formed

It is made by rolling or pressing thin gauges of steel into pre-determined shapes.

Low Tensile Strength, High resistance to compression

Given below are the advantages of structural steel, which of the following does not belong to the group?

Their webs and flanges have the same nominal thickness

What is a defining characteristics of HP-shapes (wide flange shapes usually used as bearing piles)?

0.30

What is the typical range of the ratio of transverse to longitudinal strain for most common metals in the elastic range

What is the primary method of producing WT-Shapes (Structural Tees)

They are cut from W shapes

Carbon Steel

A class structural steel that can yield strength of 36-50 ksi (A36-A50)

Strain Hardening

A strain range where increase in strain is accompanied by a significant increase in stress.

36 ksi (248 MPa)

What is the locally available yield strength (Fy) of the most common structural steel section mentioned in the module?

50 to 75 ksi

What is the yield strength range of Heat Treated Carbon/ HSLA Steel

Over 930 C

At what temperature is raw steel (steel billets) typically roll-pressed during the hot rolling process?

Allowable Stress Design (ASD)

Which of the following design philosophies compares allowable stresses of a material to calculated working stresses resulting from service loads and uses a single factor of safety

Maximum Moment

When designing a steel beam using AISC procedures, what is the first structural requirement typically determined after calculating the applied loads

Short Curing Time

Which, among the following, is not considered an advantage in using structural steel as a building material

Heat Treated Construction Alloy Steel

Which of the following is not a classification of bridge steel?

Bessemer Process

What process made mass production of steel possible in the mid-18th century?

To serve as a technical institute and trade association for the use of structural steel in construction

What is the primary purpose of the American Institute of Steel Construction (AISC)?

Shear stress and deflection

Once a steel section is tentatively selected for a beam, what are the two main structural requirements that must be checked according to the module?

Built -up section

It is made by welding together standard shapes to create desired section.

Choose the lightest of all possible sections that meet the requirement

From the steel tables, how should a designer typically select a steel section that meets the required Section Modulus?

As a substitute for W-shapes

When might two C-shapes (channels) be combined in structural steel construction?

They have relatively narrow flanges with sloping interior faces

What is a key characteristic of S-shapes (formerlly I-beams) as described in the module?

The Steel Manual containing section properties

What key resource does the AISC provide for structural engineers and fabricators?

0.3mm to 6mm

What is the typical range of thickness of cold-formed steel sections?

Roads

Which of the following is not a common use of steel?

Steel

A material used long before Renaissance period, however it was not popular as building material due to inefficient production methods.

Rolled shapes

A type of structural steel that is produced by passing red-hot blooms or billet steel through rolls until the desired shape is attained.

Yield Strength or Yield Point (Fy)

In the context of designing steel members, what material property primarily dictates the size of the sections required?

Warm pressed

Which of the following is not a type of structural steel?

Truss members

L-shapes (Angles) are mainly utilized as which type of structural members according to the module?

Beam, Flange, Angle

Which of the following shapes comes from hot rolled structural steel?

Stress increases due to dislocation interactions and strain hardening

When analyzing strain hardening in a tensile test, which of the following correctly describes the relationship between true stress and true strain beyond the yield point?

It is made using raw steel billets and processed at temperatures over 930 C

Which of the following statements is TRUE about hot-rolled structural steel?