Metal
Mastering Structural Steel: The Ultimate Quiz
Test your knowledge and understanding of structural steel concepts with our comprehensive quiz designed for professionals and students alike. Dive into 48 challenging questions covering various aspects of steel design, stability, and construction techniques.
Discover your strengths and areas for improvement in:
- Steel cross-section analysis
- Weldability and joint performance
- Instability modes in structural elements
- Plastic and elastic analysis
Length of elements, when there are no problems with transport are:
10m for road 16 for rail
12m for road and 16 for rail
14m for road and 20 m for rail
12 m for road and 18 for rail
10m for road and 16 m for rail
Taking into consideration: (weather impact), (workers qualifications), (connection between steel and masonry), (destruction of anticorrosion protection), (complicated elements position); welded joint is easier than bolted one, because:
(complicated elements position), (weather impact)
(weather impact), (workers qualifications)
(destruction of anticorrosion protection), (workers qualifications)
(complicated elements position)
(connection between steel and masonry), (weather impact)
For steel members, dangerous is corrosion:
It depends in environmental class
Physical
Chemical
Biological
Every answer is true
If no bracing are applied, lateral buckling could occurs, when:
Bending of I-beam
Bending of circular hollow section
Axial compression of L-section
Bending of square hollow section
Bi-axial bending of square hollow section
Difference between steel cross-sections of III and IV classes is:
Elastic behaviour for both class, effective geometry for VI class only
Value of bending moment resistance only
Total geometry of cross-section for flexural buckling in III class, effective geometry for flexural buckling in IV class
Elastic behaviour for both class, two various values for axial force resistance only
Plastic behaviour for III class, elastic for IV class
In case of hot-rolled I-beam under continuous load, must be checked:
Class of cross-section, shear resistance, bending resistance, flexural buckling, deflection
Class of cross-section, interaction shear-bending, lateral buckling, deflection
Class of cross-section, shear resistance, bending resistance, lateral buckling, deflection
Class of cross-section, shear resistance, bending resistance, interaction shear bending, lateral buckling, deflection
Class of cross-section, shear resistance, bending resistance, interaction shear-bending, torsional buckling, deflection
The most often cases of cooperation between corrugated sheet and purlin are:
Protection against flexural buckling
Protection against lateral buckling
Transmission of loads between purlins
Taking cooperation sheet-purlin into consideration is not recommended
Protection against flexural buckling and lateral buckling
Calculation of resistance for filled and butt welds:
Must be made for filled welds only
Is difference because of various safety factors only
Must be made for butt welds always and for filled welds in specific cases
Must be made for butt welds only
Must be made for filled welds always and for butt welds in specific cases
Equivalent forces for steel column in steel hall are calculated based on:
Sway imperfections and type of instability
Both type of imperfections and second order effects
Sway and bow imperfections only
Sway imperfections and second order effects only
Type of instability and second order effects
Imperfections are analysed, among others, as:
Equivalent bow or equivalent sway of element
Specific loads for equivalent bow or equivalent sway of element
Equivalent bow of element
Specific loads depends on geometry of cross-section only
Equivalent sway of element
Roof horizontal upper transversal bracing bars make impact on:
Lateral buckling of roof girder only
Lateral buckling of roof girder and flexural buckling or roof girder in direction perpendicular to girder plane
Flexural buckling of roof girder only
It depends in type of roof girder (I-beam/ truss)
Every mode of instability
During calculation of transversal horizontal bracings, important are:
Secondary effects from wall bracings
No answer is true
Lateral buckling of bracing bras
Imperfections of roof girders and its flexural buckling
Imperfections of bracing bars and its flexural buckling
ΒβWeldabilityββ is related to:
Every answer is true
Risk of cracking in welds
Decision about type of welding process
Type of cross-section of connected members
Requirement of quality level of welds
Correct order of calculation for effective geometry if IV class of steel cross-section is
Reduction of compressed flange, shear lag effect, reduction of compressed part of web
No answer is true
Welds impact analysis, shear lag effect, reduction of compressed flange, reduction of compressed part of web
Welds impact analysis, reduction of compressed flange, reduction of compressed part of web
Shear lag effect, reduction of compressed part of web, reduction of compressed flange
Component method is:
Applicated to specific structures only
Division of joint into sub-parts for calculation of its resistance only
Division of joint into sub-parts for calculation of its stiffness and resistance
Division of joint into sub-parts for calculation of its stiffness only
Division of structure onto joints and members
Truss joint destruction mode is NOT
Chord shear failure, chord face failure, punching shear
No answer is true
Chord face failure, chord shear failure, chord wall failure
Chord wall rupture, chord face failure, punching shear
Punching shear, local buckling, chord wall failure
In case of steel supporting structure for power generator, the best solution for shear bolted joint will be:
It depends on consequence class
Bolted joint category B
Each bolted joint category is possibl
Bolted joint category C
Bolted joint category A
During analysis of stiffness and resistance of joint
Column web is neglected for stiffness, is important for resistance only
Each sub-parts are analysed in the same way
Column flange and shanks of bolts are analysed separately for stiffness, and as one common part for resistance
Beam web and beam flange under compression are analysed separately for stiffness and as one common part for resistance
Column web under compression and beam flange under compression are analysed separately for stiffness and as one common part for resistance.
For tension bolted joint beam-column, difference between category of bolted joint D and E:
Every answer is true
Is important for shear force
No makes impact on stiffness of joint
Comes from static and dynamic loads and actions, applied to structure
No makes difference for bending moment resistance of joint
Types of plastic analysis of frames are:
For members: elastic-plastic, rigid plastic; for joints: elastic-plastic, rigid plastic
For members: elastic-plastic, non-linear, rigid plastic; for joints: elastic-plastic, non-linear plastic, rigid plastic
For members: elastic-plastic, rigid plastic; for joints: elastic-plastic, non-linear plastic, rigid plastic
) For members: elastic-plastic, non-linear plastic, rigid plastic; for joints: elastic-plastic, rigid plastic
No answer is true
Analysis of stiffness of joint is:
Comparison between local stiffness of joint and global stiffness of joint
Comparison between global stiffness of structure and constant factor of stiffness
Comparison between local stiffness of joint and constant factor of stiffness
No answer is true
Comparison between local stiffness of joint and global stiffness of structure
Important differences between beam of IV class of cross-section and beams of other classes are:
Necessity of analysis global models if instability for resistance of stiffeners
Nonlinear analysis of interactions of cross-sectional forces and specific analysis of flexural buckling
Every answer is true
Specific local buckling of web and no influence of axial force on resistance
Necessity of specific analysis f axial force and shear force
Difference between I and II class of cross-section is:
Plastic behaviour for I, elastic for II
Various ways for shear force resistance
Resistance for axial force is the same, but value of actual axial force is calculated according to two various ways
Resistance for bending moment is the same, but value of actual bending moment is calculated according to two various ways
Every answer is true
Important assumption for plastic analysis of frame is:
No plastic hinges in joints
Good protection of members against instability
Application of semi rigid joints first of all
No vertical axis of symmetry for members cross-sections
Application of welded I-beams first of all
For I-beams, the most often case is:
Welded-I or II class of cross-section, hot rolled III or IV class of cross-section
IV class of cross-section is accepted for cross-section other than I-section only
Cross-section class comes from consequence class
No answer is true
Welded III or IV class of cross-section, hot rolled I or II class of cross-section
Modes of instability for column in steel hall are:
No answer is true
Flexural buckling in plane of frame, lateral buckling and interaction of both only
Flexural buckling in- and out of plane of frame only
Flexural buckling in plane of frame and lateral buckling only
Flexural buckling in plane of frame, torsional buckling and flexural-torsional buckling only
Relation between sway imperfection and second order effects is:
Second order effects come from sway imperfection
Second order effects are specific type of sway imperfection
There are two separated phenomena
Sway imperfection come from second order effects
No answer is true
For tension bolted joint beam-column, resistance of joint does NOT depend on:
Diagonal stiffeners, number of storeys, dimensions of haunched beam
Column web thickness, number of bays, thickness of welds
Every answer is true
Number and diameters of bolts, length of column
Critical length of column, span of beam, thickness of welds
Stiffness of joint make impact on
Checking of resistance of joints and elements only
Checking of resistance of joints and elements only
Checking of resistance of joints only
Checking of resistance of joint and resistance and stability of elements
No answer is true
Increasing consequence class form CC2 to CC3 makes:
Decreasing safety level of structure
Allowing bigger values of geometrical imperfections
Necessity to apply higher grade of steel
Increasing safety level of structure
Admission of dynamic actions
For steel structures, into consideration must be taken
Geometrical imperfections only
Structural imperfections only
Structural imperfections, geometrical imperfections, manufacturing imperfections, erection imperfections
Structural imperfections are taken into consideration for concrete structures only
Structural imperfections, geometrical-manufacturing imperfections, geometrical-erection imperfections
The best solution for bolted joint is:
Bolted join category C, grade of bolt A, friction class D
Bolted join category E, grade of bolt C, friction class D
Bolted join category D, grade of bolt C, friction class C
Bolted join category C, grade of bolt C, friction class D
Bolted join category C, grade of bolt C, friction class D
For checking of vertical stiffeners resistance, important are:
Load on beam, stiffener imperfections, web of beam imperfections
Load on beams, type of welds, stiffener imperfections
Load on beam, beam class of cross-section, stiffener imperfections
Beam class of cross-section, load on beam, stiffener imperfections
Load on beam, bow imperfection of beam, stiffener imperfections
Second order effects in calculation of steel columns:
Allow to define type of frame: sway or non-sway and additional equivalent forces
No answer is true
Allow to define only additional equivalent forces
Allow to define only type of frame: sway or non-sway
Could be neglected in case of multistorey frames
Requirements for bolted joint category C are:
Satisfied: bearing resistance, slip-resistant, punching resistance and netto cross-section resistance
Satisfied: bearing resistance, slip-resistance and punching resistance
Satisfied: bearing resistance, shear resistance, slip-resistant and netto cross-section resistance
Satisfied: shear resistance, punching resistance and netto cross-section resistance
No answer is true
Selected of type of beam-column support does NOT effect of analysis:
Column cross-section moment of inertia
Span of beam
Column class of cross-section
No answer in true
Proportion of Young moduluses beam to column
Truss with hinge joints could be made as:
Chords are I-beams of II class of cross-section, web members are square hollow sections of II class of cross-section
Every answer is true
Chords are square hollow sections of II class of cross-section, web members are I-beam of II class of cross-section
Every members are I-beams of I class of cross-section
Every members are circular hollow section of III class of cross-section
Resistance of column hinge base does NOT depend on:
Thickness of base plate
Concrete base strength
Column cross-section
Dimension of base plate
Position of anchor bolts
Cross- section class impact on resistance of cross-section is among others:
Differentiation of resistance for axial force and shear fore only
Differentiation of resistance for axial compressive and tensile forces only
Differentiation between IV and other classes for axial force
Differentiation between I, II, III and IV classes for bending moment resistance only
Differentiation between IV and other classes for bending moment resistance only
Static schemes of trusses, taken into consideration in dependence of elementsβ characteristics, are:
Truss with continuous chords β truss with hinge joints
Truss with hinge joints only
Truss with continuous chords β truss with semi-rigid joints β truss with hinge joints
No answer is true
Frame with rigid joints β truss with continuous chords β truss with hinge joints
Cross-section class depends on:
Slenderness on cross-section sub-parts
Slenderness of cross-section sub-parts and grade of steel only
No answer is true
Diagram of stresses only
Slenderness of cross-section sub-parts and diagram of stresses only
Critical length factors for I-column in steel hall could be:
Always not bigger than 1
Bigger than 2 for flexural buckling in direction perpendicular to plane of frame
Bigger than 2 in both directions
Always not bigger than 2
Bigger than 2 for flexural buckling in plane of frame
Local stiffness of joint for tension bolted joint beam-column does NOT depend on
Every answer is true
Diagonal stiffeners, number of storeys, dimensions of haunched beam
Critical length of column, span of beam, thickness of welds
Column web thickness, number of bays, thickness of welds
Number and diameter of bolts, length of column
Welding imperfections in value permitted by appropriate EXC structure:
Make easy loss of stability for element
In permitted value make no impact for element
No answer is true
Decrease fatigue resistance of element
Decrease resistance for bending moment only of element
In case of application compressive axial force only for bar, could be
Lateral buckling only
Flexural buckling about weak axis, torsional buckling
Flexural buckling about weak axis only
Lateral buckling and flexural-torsional buckling only
Flexural-torsional buckling named lateral buckling
Thanks to Cauchy hammer test we can determine: (Charpy)
Susceptibility to brittle cracking
Dynamic resistance
Yield strength
Fatigue resistance
Weldability
Difference between local stiffness of joint and global stiffness of joint is:
Global is completely not important
Local is important for type of joint (rigid, semi-rigid, hinge), global defines critical length of elements
Local is important for type of joint (rigid, semi-rigid, hinge), global one is important for its resistance
No answer is true
Type of joint (rigid, semi-rigid, hinge) comes from proportion between both stiffness
Data presented on sigma-epsylon relationship are:
1 β Young modulus, 2 β yield strength, 3 β Kirchhoff modulus
Tg(1) β Young modulus, 2 β yield strength, 3 β ultimate strength, 4 β Kirchhoff modulus
Tg(1) β Young modulus, 2 β yield strength, 3 β ultimate strength
Tg(1) β Young modulus, 2 β yield strength, 3 β ultimate strength, 4 β Kirchhoff modulus
1 β Young modulus, 2 β yield strength, 3 β ultimate strength
{"name":"Metal", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Test your knowledge and understanding of structural steel concepts with our comprehensive quiz designed for professionals and students alike. Dive into 48 challenging questions covering various aspects of steel design, stability, and construction techniques.Discover your strengths and areas for improvement in:Steel cross-section analysisWeldability and joint performanceInstability modes in structural elementsPlastic and elastic analysis","img":"https:/images/course4.png"}