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WorksheetsMOM CA2
Total questions: 20
Worksheet time: 10mins
Practical beams fail when
σ exceeds permissible limit
Curvature becomes large
Shear failure
All
Max M for a point load P at midspan, span L
PL/4
PL/8
PL/2
PL
The distribution of bending stress across a beam section is
Linear
Parabolic
Constant
Exponential
Linear strain distribution assumption is valid up to:
Yield point
Elastic limit
Failure point
Fatigue limit
Neutral axis location is determined by
Material Type
Cross-section geometry
Span length
Bending moment
Bending stress at extreme fibre derived from
M/Z
σ=E/R
σ=yM/I
Both a and c
The basic equation of simple bending
M/I=σ/y=E/R
M/I=EI
σ/M=I/y
M/Z=q
Stiffness of beam is defined as
Stress/Load
Load/Deflection
Moment/Deflection
None
In bending equation, I mean
Inertia (about NA)
Area
Section modulus
None
If allowable σ = 100 N/mm², Z = 200 × 10³ mm³, safe M =
40 kNm
10 kNm
20 kNm
200 kNm
Point load is also called
Triangular Load
Trapezoidal Load
Step Load
Concentrated Load
A simply supported beam is supported on
One fixed and one roller support
Two roller supports
One hinged and one roller support
One fixed and one hinged support
Which one of the following is an example of statically determinate beam?
Cantilever beam
Fixed beam
Propped cantilever beam
Continuous beam
For a beam subjected to a uniformly distributed load (UDL), the shear force diagram is:
Rectangular
Triangular
Parabolic
Trapezoidal
For a cantilever beam with a point load at its free end, the shear force diagram will be a
Triangle
Rectangle
Parabola
Cubic parabola
In case of simply supported beam, the bending moment at the two supports is
Zero
Maximum
Minimum
Positive
A cantilever beam of span l carries a uniformly distributed load ‘w’ throughout its length, the maximum bending moment ‘M’ is
Wl²/4
Wl²/5
Wl²/8
Wl²/2
A beam is said to be statically determinate when
Number of reactions > Number of equilibrium equations
Number of reactions = Number of equilibrium equations
Number of reactions < Number of equilibrium equations
None of these
A hinged support is also known as
Fixed support
Roller support
Pinned support
Simple support
A load which increases from zero at one end to maximum at the other end is called
Point Load
Triangular Load
Trapezoidal Load
Step Load
