250+ TOP MCQs on Types of Supports and Answers

This set of Strength of Materials Multiple Choice Questions on “Types of Supports”.

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1. A simple support offers only _______ reaction normal to the axis of the beam.
a) Horizontal
b) Vertical
c) Inclined
d) Moment
Answer: b
Clarification: In a simple support there will not be any resistance to horizontal loads, moment or rotation. In fact, it only offers a vertical reaction normal to the axis of the beam.

2. To avoid _____ stresses in beams, one end of the beam is placed on the rollers.
a) Compressive
b) Pyro
c) Temperature
d) Tensile
Answer: c
Clarification: Roller support reaction is normal to the axis of the beam. In case the beam subjected to trust or to avoid temperature stresses in the beam, one end of the beam is placed on roller because it facilitate free horizontal movement of end. It is similar to simple support.

3. ________ support develops support moment.
a) Hinged
b) Simple
c) Fixed
d) Joint
Answer: c
Clarification: A fixed support offers resistance against horizontal and vertical movement and against the rotation of the member and that in turn developers support moment.

4. Hinge support is called as __________
a) Socket joint
b) Swivel joint
c) Ball joint
d) Pin joint
Answer: d
Clarification: Hinge support is one, in which the position is fixed but not the direction. In their words hinged support offers resistance against vertical and horizontal moments.it is fixed in such a way that it resembles like a pin joint.

5. Name the support from following figure.

a) Hinge support
b) Fixed support
c) Free support
d) Roller support
Answer: b
Clarification: In the above figure we can observe that the beam is supported at both the ends so the beam is fixed at both ends. Hence the support is a fixed support.

6. For a simply supported beam, the moment at the support is always __________
a) Maximum
b) Zero
c) Minimum
d) Cannot be determined
Answer: b
Clarification: As the moment is a product of force and perpendicular distance, the flexural moment at the support is zero because there is no distance at the support.

7. “Hinged support offers resistance against rotation”.
a) True
b) False
Answer: b
Clarification: A hinged support offers resistance against horizontal and vertical movement but not against rotation. It support offers a vertical and horizontal reaction only.

8. Find the reaction at simple support A?

a) 6.5 kN
b) 9 kN
c) 10 kN
d) 7.5 kN
Answer: d
Clarification: Total load = 10 kN
Taking moment at A = 0
4 × R @ B – 10 = 0
R @ B = 2.5 kN
Reaction at A = 10 – 2.5 = 7.5kN.

9. Roller support is same as _____
a) Hinged support
b) Fixed support
c) Simply support
d) Roller support
Answer: c
Clarification: The support reaction is normal to the axis of the beam. It facilitates the vertical support. It helps the beam to overcome the temperature stresses effectively. It is similar to simple support.

10. Hinged supports offers vertical and ________ reaction.
a) Horizontal
b) Moment
c) Rotation
d) Couple
Answer: a
Clarification: A hinged support offers a vertical and horizontal reaction. The pin jointed support offers resistance against horizontal and vertical movements but not against rotation movement.