# Multiple Choice Questions (MCQ) with Answers on Shear Force and Bending Moment diagram

**Multiple Choice Questions (MCQ) with Answers on Shear Force and Bending Moment diagram**

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**1-A beam is a structural member which is subjected to**

- Axial tension or compression
- Transverse loads and couples
- Twisting moment
- No load, but its axis should be horizontal and x-section rectangular or circular

(Ans: b)

**2-Which of the following are statically determinate beams?**

- Only simply supported beams
- Cantilever, overhanging and simply supported
- Fixed beams
- Continuous beams

(Ans: b)

**3-A cantilever is a beam whose**

- Both ends are supported either on rollers or hinges
- One end is fixed and other end is free
- Both ends are fixed
- Whose both or one of the end has overhang

(Ans: b)

**4-In a cantilever carrying a uniformly varying load starting from zero at the free end, the shear force diagram is**

- A horizontal line parallel to x-axis
- A line inclined to x-axis
- Follows a parabolic law
- Follows a cubic law

(Ans: c)

**5-In a cantilever carrying a uniformly varying load starting from zero at the free end, the Bending moment diagram is**

- A horizontal line parallel to x-axis
- A line inclined to x-axis
- Follows a parabolic law
- Follows a cubic law

(Ans: d)

**6-In a simply supported beam, bending moment at the end**

- Is always zero if it does not carry couple at the end
- Is zero, if the beam has uniformly distributed load only
- Is zero if the beam has concentrated loads only
- May or may not be zero

(Ans: a)

**7-For any part of the beam, between two concentrated load Shear force diagram is a **

- Horizontal straight line
- Vertical straight line
- Line inclined to x-axis
- Parabola

(Ans: a)

**8-For any part of a beam between two concentrated load, Bending moment diagram is a **

- Horizontal straight line
- Vertical straight line
- Line inclined to x-axis
- Parabola

(Ans: c)

**9-For any part of a beam subjected to uniformly distributed load, Shear force diagram is**

- Horizontal straight line
- Vertical straight line
- Line inclined to x-axis
- Parabola

(Ans: c)

**10-For any part of a beam subjected to uniformly distributed load, bending moment diagram is**

- Horizontal straight line
- Vertical straight line
- Line inclined to x-axis
- Parabola

(Ans: d)

**11-A sudden jump anywhere on the Bending moment diagram of a beam is caused by**

- Couple acting at that point
- Couple acting at some other point
- Concentrated load at the point
- Uniformly distributed load or Uniformly varying load on the beam

(Ans: a)

**12-In a simple supported beam having length = l and subjected to a concentrated load (W) at mid-point.**

- Maximum Bending moment = Wl/4 at the mid-point
- Maximum Bending moment = Wl/4 at the end
- Maximum Bending moment = Wl/8 at the mid-point
- Maximum Bending moment = Wl/8 at the end

(Ans: a)

**13-In a simply supported beam subjected to uniformly distributed load (w) over the entire length (l), total load=W, maximum Bending moment is**

- Wl/8 or wl
^{2}/8 at the mid-point - Wl/8 or wl
^{2}/8 at the end - Wl/4 or wl
^{2}/4 - Wl/2

(Ans: a)

**14-In a cantilever subjected to a concentrated load (W) at the free end and having length =l, Maximum bending moment is**

- Wl at the free end
- Wl at the fixed end
- Wl/2 at the fixed end
- Wl at the free end

(Ans: b)

**15-An axle is subjected to loads as shown**

**Maximum bending moment is**

- Wl
- W(l-a)
- Wa
- W(l+a)

(Ans: c)

**16-At a point in a simply supported or overhanging beam where Shear force changes sign and = 0, Bending moment is**

- Maximum
- Zero
- Either increasing or decreasing
- Infinity

(Ans: a)

**17-In a cantilever subjected to a combination of concentrated load, uniformly distributed load and uniformly varying load, Maximum bending moment is**

- Where shear force=0
- At the free end
- At the fixed end
- At the mid-point

(Ans: c)

**18-Point of contra-flexure is a**

- Point where Shear force is maximum
- Point where Bending moment is maximum
- Point where Bending moment is zero
- Point where Bending moment=0 but also changes sign from positive to negative

(Ans: d)

**19-Point of contra-flexure is also called**

- Point of maximum Shear force
- Point of maximum Bending moment
- Point of inflexion
- Fixed end

(Ans: c)

**20-The slope of shear force line at any section of the beam is also called**

- Bending moment at that section
- Rate of loading at that section
- Maximum Shear force
- Maximum bending moment

(Ans: b)