# Strength of Materials Questions and Answers – Analyse Propped Cantilever

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This set of Strength of Materials Multiple Choice Questions & Answers (MCQs) focuses on “Analyse Propped Cantilever”.

1. In cantilever beams, the extra support is known as ____________
a) Hinch
b) Prop
c) Cripple
d) Indeterminate end

Explanation: In case of cantilever beam, some support other than existing ones may be provided to reduce the amount of bending moment developed. The additional support is known as prop.

2. Prop reduces ___________ in the beam.
a) Deflection
b) Slope
c) Shear
d) Moment

Explanation: The extra support provided in case of cantilever beam excluding the existing ones is known as prop. It is provided in order to avoid excessive deflection caused due to unequal loading.

3. Which of the following is indeterminate structure?
a) Singly rereinforced beam
b) Propped cantilever beam
c) Over hanging beam
d) Simply supported beam

Explanation: The statically indeterminate structures are not capable of being analysed by using equation of statics. We need some more extra conditions for finding unknowns like €i and €y etc. A propped cantilever beam is an example of indeterminate structures.
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4. ____________ is used to produce due to temperature variation in indeterminate structures.
a) Stresses
b) Strains
c) Deflections
d) Moment

Explanation: Statically indeterminate structures need some extra conditions for the further simplification. Normally stresses are produced due to variation in indeterminate beams.

5. In cantilever beams, the maximum deflection occurs at ___________
a) Fixed end
b) Free end
c) Through out

Explanation: The maximum deflection in cantilever beam occurs at free end. To resist that excessive deflection, the beam has to be supported by an extra support known as prop.

6. As per IRC, maximum width of lane considered as ____________
a) 2.44 m
b) 2.35 m
c) 3.5 m
d) 3.4 m

Explanation: As per IRC, the maximum width be 2.44 m. For a single lane, the width considered is 3.8 m. The pavement having two or more lanes the weight of 3.5 metre per lane is considered sufficient.

7. ______ is the area of land acquired and reserved for future development.
a) Right of pier
b) Carriage way
c) Right of way
d) Camber

Explanation: It is desirable to acquire more land because of the cost of adjoining land in variable increases after laying the road. The right of way is area of land acquired and reserved for future development.

8. Stability of high rise vehicles will be affected due to ____________
a) Camber
c) Super elevation
d) Formation Width

Explanation: The rise given to the centre portion of the proposed carriageway with reference to its peripheral edge is called camber. Road users use more in the central portion of road and get worn out. The stability of high rise vehicles will be affected due to heavy camber.

9. The longitudinal rise or fall off road surface along its length is _________
a) Camber
b) Super elevation
d) Carriage way

Explanation: The gradient is defined as the longitudinal rise or fall off road surface love its length is expressed as ratio 1 vertical: n horizontal or as a percentage.

10. Which of the following gradient is usually used in the construction of roads?

Explanation: Ruling gradient may be used as isolated over in flat country roads carrying a large volume of slow moving traffic. Gradient up to the ruling gradient for different terrains. It is to be adopted in normal course of design.

11. According to IRC, the height of the object is taken to the height of ___________ mm.
a) 200 mm
b) 100 mm
c) 450 mm
d) 600 mm

Explanation: Sight distance is an important requirement for the safety of travel on highways the height of the object is taken to be at a depth of 100 mm above road.

12. What is the minimum shoulder width provided for village roads?
a) 1.25 m
b) 1.4 m
c) 0.5 m
d) 1 m

Explanation: The minimum shoulder width provided for village roads is 0.5m.

Class of Road Minimum Shoulder Width(Hilly Terrain)
NH & SH ways 1.25 m

13. In case of vertical curves, the ____________ are taken above the road.
b) Super elevation
c) Earth quantities
d) Summit

Explanation: The line of sight of a driver above the road is taken as 1.2m. The height of the object is taken to be height of 100 mm. Sight distance is an important resource requirement for the safety of travel. The designing layout plays a very vital role.

14. The time required for overtaking ___________ seconds.
a) 9 to 14
b) 8 to 10
c) 11 to 15
d) 14 to 19

Explanation: In the case of vertical curves, the sight distance is an important requirement for the safety of travel. It it is necessary that sight distance of adequate length should be available in different situations to permit driver enough time and distance to control their vehicles so that there are no unwarranted accidents.

15. _____ provide gradual introduction of super elevation.
a) Transition curves
b) Summit curves
c) Joint curves

Explanation: The transition curves are necessary for a vehicle to have smooth entry of straight section into circular curve. They provide aesthetic experience of the road. They provide a graduate introduction of super elevation.

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