MCQOPTIONS
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MCQOPTIONS
This section includes 32 Mcqs, each offering curated multiple-choice questions to sharpen your Building Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
_____________ arches can be constructed of the precast cement concrete blocks or Monolithic concrete. |
| A. | Cement concrete arches |
| B. | Cement arches |
| C. | Concrete arches |
| D. | Rubble arches |
| Answer» D. Rubble arches | |
| 2. |
____________ arches can be constructed from ordinary bricks or purpose made bricks or soft bricks. |
| A. | Crushes arches |
| B. | Stone arches |
| C. | Brick arches |
| D. | Concrete arches |
| Answer» D. Concrete arches | |
| 3. |
__________ arches can be constructed in rubble masonry or ashlar masonry. |
| A. | Stone arches |
| B. | Wooden arches |
| C. | Brick arches |
| D. | Concrete arches |
| Answer» B. Wooden arches | |
| 4. |
____________ type of arch is constructed from bricks which are finely cut by means of wire saw. |
| A. | Wire cut arch |
| B. | Gauged arch |
| C. | Rough arch |
| D. | Saw cut arch |
| Answer» C. Rough arch | |
| 5. |
_________ types of arches are constructed from bricks which are cut to a wedge shaped by means of an axe. |
| A. | Rough cut arch |
| B. | Rough arch |
| C. | Gauged arch |
| D. | Cut arch |
| Answer» B. Rough arch | |
| 6. |
___________ type of arch is constructed from ordinary un-cut bricks. |
| A. | Rough arch |
| B. | Axed arch |
| C. | Rough cut arch |
| D. | Gauged arch |
| Answer» B. Axed arch | |
| 7. |
The pointed Arch of the Tudor period is an example of __________ arch. |
| A. | Three centred arch |
| B. | Four centred arch |
| C. | Two centred arch |
| D. | Five centred arch |
| Answer» C. Two centred arch | |
| 8. |
A symmetrical parabolic arch of span 19 m and rise 4 m is hinged at the springings. It supports a uniformly distributed load of 1.5 tonnes per meter run of the span. The horizontal thrust in tonnes at each of the springing is - |
| A. | 20.63 |
| B. | 16.92 |
| C. | 8.5 |
| D. | Zero |
| Answer» C. 8.5 | |
| 9. |
A three-hinged parabolic arch of span 20 m and rise 4 m carries a concentrated load of 150 kN at 4 m from left support 'A'. Calculate the vertical reaction and the horizontal thrust, respectively, at support 'A'. |
| A. | VA = 40 kN and HA = 80 kN |
| B. | VA = 75 kN and HA = 120 kN |
| C. | VA = 80 kN and HA = 50 kN |
| D. | VA = 120 kN and HA = 75 kN |
| Answer» E. | |
| 10. |
A three-hinged parabolic arch has a span of 30 m and the central rise is 5 m. It is subjected to a point load of 40 kN at a distance of 20 m from the right hinge. Calculate the vertical reaction component at its left support. |
| A. | 35.35 kN |
| B. | 40 kN |
| C. | 13.13 kN |
| D. | 26.67 kN |
| Answer» E. | |
| 11. |
In a two-hinged parabolic arch (consider arch to be initially unloaded) an increase in temperature induces - |
| A. | no bending moment in the arch rib. |
| B. | uniform bending moment in the arch rib. |
| C. | maximum bending moment at the crown. |
| D. | minimum bending moment at the crown. |
| Answer» D. minimum bending moment at the crown. | |
| 12. |
A three hinged symmetric parabolic arch of span 20 meters and rise 5 meters is hinged at the crown and springing. It supports a uniformly distributed load of 2 tonnes per meter run of the span. The horizontal thrust in tonnes at each of the springing is |
| A. | 8 |
| B. | 16 |
| C. | 20 |
| D. | 0 |
| Answer» D. 0 | |
| 13. |
A three-hinged parabolic arch of span ‘l’ and rise ‘h’ is subjected to u.d.l. of intensity ‘ω’, then the horizontal thrust at the supports is |
| A. | \(\frac{{\omega {l^2}}}{{8h}}\) |
| B. | \(\frac{{\omega l}}{h}\) |
| C. | \(\frac{{\omega l}}{{8{h^2}}}\) |
| D. | \(\frac{{\omega hl}}{8}\) |
| Answer» B. \(\frac{{\omega l}}{h}\) | |
| 14. |
A symmetrical two-hinged parabolic arch when subjected to a uniformly distributed load on the entire horizontal span, is subjected to |
| A. | radial shear alone |
| B. | normal thrust alone |
| C. | normal thrust and bending moment |
| D. | normal thrust, radial shear and bending moment |
| Answer» C. normal thrust and bending moment | |
| 15. |
For given two hinged semi circular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and carrying concentrated crown load 'W', ratio of horizontal thrust at their support will be - |
| A. | \(2: 1\frac{1}{2} : 1\) |
| B. | \(1 : 1\frac{1}{2} : 2\) |
| C. | \(1 : 1 : 2\) |
| D. | 1 : 1 : 1 |
| Answer» E. | |
| 16. |
For a 2-hinged arch, if one of the supports settles down vertically then the horizontal thrust |
| A. | is increased |
| B. | is decreased |
| C. | remains unchanged |
| D. | becomes zero |
| Answer» C. remains unchanged | |
| 17. |
A two hinged semi-circular arches of radius R carries a concentrated load W at the crown. Assuming uniform flexural rigidity The horizontal thrust at each support will be: |
| A. | \( \frac{W}{2\pi} \) |
| B. | \( \frac{W}{\pi} \) |
| C. | \(\frac{4}{3}\left( {\frac{{wR}}{\pi }} \right)\) |
| D. | \( \frac{W}{2} \) |
| Answer» C. \(\frac{4}{3}\left( {\frac{{wR}}{\pi }} \right)\) | |
| 18. |
Match the following:a. Three-hinged archI. Statically indeterminate to third-degreeb. Two-hinged archII. Statically indeterminate to first degreec. Hinge less archIII. Statically determinate |
| A. | a – I, b – II, c - III |
| B. | a – III, b – II, c - I |
| C. | a – II, b – I, c - III |
| D. | a – II, b – III, c - I |
| Answer» C. a – II, b – I, c - III | |
| 19. |
A parabolic three hinged arch ABC is supporting Uniformly Distributed Load of 500 N/m over its entire span of 100 m. The centre point ‘B’ is vertically 25 m high from supports A and C. The reactions shall be ______. |
| A. | 50 kN horizontal and vertical reactions at each support |
| B. | 25 kN horizontal and 50 kN vertical reactions at each support |
| C. | 50 kN horizontal and 25 kN vertical reactions at each support |
| D. | 25 kN horizontal and vertical reactions at each support |
| Answer» E. | |
| 20. |
A three-hinged parabolic arch ABC has a span of 20 in and a central rise of 4.0 in. The arch has hinges at the ends and at the crown. A train of two point loads of 20 kN and 10 kN, 5 m apart, crosses this arch from left to right, with the 20 kN load leading. The maximum thrust induced at the supports is |
| A. | 25.0 kN |
| B. | 28.13 kN |
| C. | 31.26 kN |
| D. | 32.81 kN |
| Answer» D. 32.81 kN | |
| 21. |
A three hinged parabolic arch subjected to a load ω at L/4 distance from left support. The rise of the crown is 4 m, span is 20 m and ω is 80 kN, the horizontal thrust at the support is |
| A. | 40 kN |
| B. | 25 kN |
| C. | 50 kN |
| D. | 80 kN |
| Answer» D. 80 kN | |
| 22. |
If the span and dip of a parabolic cable are L and h respectively, then the length of the cable is approximately equals to |
| A. | L + 3/8 h |
| B. | L + 8/3 h |
| C. | L + 3/8 h2/L |
| D. | L + 8/3 h2/L |
| Answer» E. | |
| 23. |
For a three-hinged parabolic arch, what will be the ratio L/R to satisfy H= W? |
| A. | 0.50 |
| B. | 1.50 |
| C. | 2.00 |
| D. | 4.00 |
| Answer» E. | |
| 24. |
A three-hinged arch has a span of 30 m and arise of 10 m. The arch carries UDL of 60 kN/m on the left half of its span. It also carries two concentrated loads of 160 kN and 100 kN at 5 m and 10 m from the right end. The horizontal thrust will be nearly |
| A. | 446 kN |
| B. | 436 kN |
| C. | 428 kN |
| D. | 418 kN |
| Answer» D. 418 kN | |
| 25. |
________TYPE_OF_ARCH_IS_CONSTRUCTED_FROM_BRICKS_WHICH_ARE_FINELY_CUT_BY_MEANS_OF_WIRE_SAW.?$ |
| A. | Wire cut arch |
| B. | Gauged arch |
| C. | Rough arch |
| D. | Saw cut arch |
| Answer» C. Rough arch | |
| 26. |
______TYPES_OF_ARCHES_IS_CONSTRUCTED_FROM_BRICKS_WHICH_ARE_CUT_TO_A_WEDGE_SHAPED_BY_MEANS_OF_AN_AXE.?$ |
| A. | Rough cut arch |
| B. | Rough arch |
| C. | Gauged arch |
| D. | Cut arch |
| Answer» B. Rough arch | |
| 27. |
_______ arches can be constructed from ordinary bricks or purpose made bricks or soft bricks.$ |
| A. | Crushes arches |
| B. | Stone arches |
| C. | Brick arches |
| D. | Concrete arches |
| Answer» D. Concrete arches | |
| 28. |
__________ arches can be constructed in rubble masonry or ashlar masonry.$ |
| A. | Stone arches |
| B. | Wooden arches |
| C. | Brick arches |
| D. | Concrete arches |
| Answer» B. Wooden arches | |
| 29. |
________ arches can be constructed of the precast cement concrete blocks or Monolithic concrete. |
| A. | Cement concrete arches |
| B. | Cement arches |
| C. | Concrete arches |
| D. | Rubble arches |
| Answer» D. Rubble arches | |
| 30. |
________ type of arch is constructed from ordinary un-cut bricks? |
| A. | Rough arch |
| B. | Axed arch |
| C. | Rough cut arch |
| D. | Gauged arch |
| Answer» B. Axed arch | |
| 31. |
The pointed Arch of the Tudor period is an example of ______ arch. |
| A. | Three centred arch |
| B. | Four centred arch |
| C. | Two centred arch |
| D. | Five centred arch |
| Answer» C. Two centred arch | |
| 32. |
The flat, segmental, semicircular, horse-shoe and Stilted arches are _____ |
| A. | Two centred arch |
| B. | Three centred arch |
| C. | Five centred arch |
| D. | One centred arch |
| Answer» E. | |