MCQOPTIONS
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MCQOPTIONS
This section includes 75 Mcqs, each offering curated multiple-choice questions to sharpen your Materials Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
_____________ is used to reduce the time for hardening of concrete. |
| A. | Accelerators |
| B. | Super plasticizer |
| C. | Retarder |
| D. | Air entraining admixture |
| Answer» D. Air entraining admixture | |
| 2. |
_____ has a lower heat of hydration. |
| A. | Quarry dust |
| B. | Fly ash |
| C. | Ordinary Portland cement |
| D. | Bulk sand |
| Answer» C. Ordinary Portland cement | |
| 3. |
Calculate the slope in a simply supported beam subjected to point load at centre. Take the EI into consideration. |
| A. | Wl³/4EI |
| B. | Wl²/16EI |
| C. | Wl³/8EI |
| D. | Wl⁴/6EI |
| Answer» C. Wl³/8EI | |
| 4. |
Which of the following is a mechanical property of materials? |
| A. | Surface Tension |
| B. | Compressibility |
| C. | Elasticity |
| D. | Specific volume |
| Answer» D. Specific volume | |
| 5. |
Calculate the slope at supports, if the area is 180kNm². Take flexural rigidity as 50000. |
| A. | 0.0054 radians |
| B. | 0.0072 radians |
| C. | 0.0036 radians |
| D. | 0.108 radians |
| Answer» D. 0.108 radians | |
| 6. |
_____________ bricks are resistant to corrosion. |
| A. | silica bricks |
| B. | magnesia bricks |
| C. | bauxite bricks |
| D. | fire bricks |
| Answer» D. fire bricks | |
| 7. |
Slope is maximum at _______ in simply supported beams. |
| A. | Mid span |
| B. | Through out |
| C. | Supports |
| D. | At point of loading |
| Answer» B. Through out | |
| 8. |
Units of deflection are _________ |
| A. | kNm |
| B. | kN/m |
| C. | kN |
| D. | m |
| Answer» E. | |
| 9. |
__________ of a beam is a measure of its resistance against deflection. |
| A. | Strength |
| B. | Stiffness |
| C. | Slope |
| D. | Maximum bending |
| Answer» C. Slope | |
| 10. |
The finished product after burning magnesite is named as ___________ |
| A. | Perillax |
| B. | Hellyx |
| C. | Pyrolytaex |
| D. | Syrilax |
| Answer» B. Hellyx | |
| 11. |
Meander ratio is the ratio of meander belt to __________ |
| A. | Meander depth |
| B. | Meander width |
| C. | Meander length |
| D. | Meander cross-section |
| Answer» D. Meander cross-section | |
| 12. |
Elastic line is also called as ___________ |
| A. | Deflection curve |
| B. | Plastic curve |
| C. | Linear curve |
| D. | Hooke’s curve |
| Answer» B. Plastic curve | |
| 13. |
The factors that influence rate of hydration is _________ |
| A. | The fineness of cement |
| B. | Temperature of cement |
| C. | Quality of water |
| D. | Temperature of water |
| Answer» B. Temperature of cement | |
| 14. |
_____________ bricks are used in the lining of electric furnace. |
| A. | Frosterite |
| B. | Spinel |
| C. | Chrome |
| D. | Basic |
| Answer» C. Chrome | |
| 15. |
The horizontal platform in between any two flights of a staircase is called ___________ |
| A. | Landing |
| B. | Balustrade |
| C. | Nosing |
| D. | Stringer |
| Answer» B. Balustrade | |
| 16. |
______________ bricks are used in the lining of blast furnaces. |
| A. | Magnesia |
| B. | Dolomite |
| C. | Bauxite |
| D. | Fly ash |
| Answer» C. Bauxite | |
| 17. |
In simply supported beams, deflection is zero at _________ |
| A. | Mid span |
| B. | Supports |
| C. | Through out |
| D. | Point of action of load |
| Answer» C. Through out | |
| 18. |
Calculate the deflection if the slope is 0.0225 radians. Take the distance of centre of gravity of bending moment to free end as 2 metres. |
| A. | 45mm |
| B. | 35mm |
| C. | 28mm |
| D. | 49mm |
| Answer» B. 35mm | |
| 19. |
______ is part of a structure which transmits the load to the soil underneath. |
| A. | Basement |
| B. | Plinth |
| C. | Lentils |
| D. | Foundation |
| Answer» E. | |
| 20. |
Full form of LEED ________ |
| A. | Leadership in Energy and Efficiency Development |
| B. | Leadership in Environmental and Energy Design |
| C. | Leadership in Energy and Environmental Design |
| D. | Leadership in Efflorescence and Energy Demand |
| Answer» D. Leadership in Efflorescence and Energy Demand | |
| 21. |
Scaffolding you generally adopted when the height of structure is above ___________ |
| A. | 1.3 m |
| B. | 1.5 m |
| C. | 1.7 m |
| D. | 2.2 m |
| Answer» C. 1.7 m | |
| 22. |
In cantilever beams, the slope is _____________ at fixed end. |
| A. | Maximum |
| B. | Zero |
| C. | Minimum |
| D. | Uniform |
| Answer» C. Minimum | |
| 23. |
A cantilever beam subjected to a point load at free end of span “l” m and possess flexural rigidity (EI). |
| A. | Wl³ / 6EI |
| B. | Wl⁴/ 8EI |
| C. | Wl²/ 2EI |
| D. | Wl⁴/ 5EI |
| Answer» D. Wl⁴/ 5EI | |
| 24. |
The slope is denoted by _______ |
| A. | k |
| B. | y |
| C. | i |
| D. | c |
| Answer» D. c | |
| 25. |
The maximum induced ___________ stresses should be within the safe permissible stresses to ensure strength of the beam. |
| A. | Tensile |
| B. | Compressive |
| C. | Bending |
| D. | Lateral |
| Answer» D. Lateral | |
| 26. |
The steel suits best to reinforcement with concrete. |
| A. | True |
| B. | False |
| C. | May be True or False |
| D. | Can't say |
| Answer» B. False | |
| 27. |
Which of the following is not an example of Malleability? |
| A. | Wrought Iron |
| B. | Ornamental silver |
| C. | Torsteel |
| D. | Ornamental gold |
| Answer» D. Ornamental gold | |
| 28. |
______________ provides employment to the cultivators at the time of famine. |
| A. | Productive canal |
| B. | Link canal |
| C. | Protective canal |
| D. | Inundation canal |
| Answer» D. Inundation canal | |
| 29. |
In cantilever beams, the deflection is zero at ___________ |
| A. | Free and |
| B. | Fixed end |
| C. | At supports |
| D. | Through out |
| Answer» C. At supports | |
| 30. |
Cantilever scaffolding is also known as ____________ |
| A. | mason’s scaffolding |
| B. | suspended scaffolding |
| C. | needle scaffolding |
| D. | ladder scaffolding |
| Answer» D. ladder scaffolding | |
| 31. |
In simply supported beam deflection is maximum at ____________ |
| A. | Midspan |
| B. | Supports |
| C. | Point of loading |
| D. | Through out |
| Answer» B. Supports | |
| 32. |
The first solar cooker was developed in the year ____________ |
| A. | 1947 |
| B. | 1953 |
| C. | 1945 |
| D. | 1960 |
| Answer» D. 1960 | |
| 33. |
The average crushing strength of precast concrete blocks as per CAI is __________ |
| A. | 4.5 N/mm² |
| B. | 5 N/mm² |
| C. | 3.5 N/mm² |
| D. | 4 N/mm² |
| Answer» D. 4 N/mm² | |
| 34. |
The ultimate bearing capacity/factor of safety = ____________ |
| A. | Bearing capacity |
| B. | Allowance bearing capacity |
| C. | Safe bearing capacity |
| D. | Soil consolidation capacity |
| Answer» D. Soil consolidation capacity | |
| 35. |
In a cantilever of span “L” subjected to a concentrated load of “W” at a distance of L/3 from free end. The deflection is ________ |
| A. | WL³/3EI |
| B. | 14WL³/81EI |
| C. | WL³/81EI |
| D. | 8WL³/81EI |
| Answer» E. | |
| 36. |
Mohr’s theorem -¡¡ states? |
| A. | Ax/EI |
| B. | A/Ex |
| C. | A/EI |
| D. | Ae=Ix |
| Answer» B. A/Ex | |
| 37. |
Mohr’s theorem- 1 states ________ |
| A. | E/AI |
| B. | I/EA |
| C. | A/EI |
| D. | A=EI |
| Answer» D. A=EI | |
| 38. |
Deflection is denoted by _______ |
| A. | i |
| B. | y |
| C. | h |
| D. | e |
| Answer» C. h | |
| 39. |
Which of the following method is used to determine the slope and deflection at a point? |
| A. | Arithmetic increase method |
| B. | Mathematical curve setting |
| C. | Macaulay’s method |
| D. | Lacey’s method |
| Answer» D. Lacey’s method | |
| 40. |
Calculate the maximum deflection of a simply supported beam if the maximum slope at A is 0.0075 radians and the distance of centre of gravity of bending moment diagram to support A is 1.33 metres. |
| A. | 9.975 mm |
| B. | 9.5 mm |
| C. | 9.25 mm |
| D. | 9.785 mm |
| Answer» B. 9.5 mm | |
| 41. |
In simply supported beams, the slope is _____________ at supports. |
| A. | Minimum |
| B. | Zero |
| C. | Maximum |
| D. | Uniform |
| Answer» D. Uniform | |
| 42. |
Solar arrays are defined in terms of ____________ |
| A. | Circuits |
| B. | Diodes |
| C. | Kernel |
| D. | Panels |
| Answer» B. Diodes | |
| 43. |
______ bridge any opening like a window, door, cupboard etc in a building. |
| A. | Sunshade |
| B. | Lintel |
| C. | Footings |
| D. | Stairs |
| Answer» C. Footings | |
| 44. |
_____ is measured on percentage basis. |
| A. | Camber |
| B. | Formation width |
| C. | Super elevation |
| D. | Shoulder |
| Answer» B. Formation width | |
| 45. |
Which of the following is not a cross drainage work? |
| A. | Aqueduct |
| B. | Level crossing |
| C. | Head regulator |
| D. | Super passage |
| Answer» D. Super passage | |
| 46. |
Full form of NBC ___________ |
| A. | Nominal Building Centre |
| B. | National Building Code |
| C. | National Building Cluster |
| D. | Nominal Buoyance Centre |
| Answer» C. National Building Cluster | |
| 47. |
The ratio of maximum load to the unit area is ________ |
| A. | Ultimate bearing capacity |
| B. | Allowable bearing capacity |
| C. | Safe bearing capacity |
| D. | Bearing capacity |
| Answer» E. | |
| 48. |
____________ is the best example for accelerator (admixture). |
| A. | Sulphonated formaldehyde |
| B. | Calcium chloride |
| C. | Sulphonated naphthalene |
| D. | Polyglycolesters |
| Answer» C. Sulphonated naphthalene | |
| 49. |
Contour canals are also called as ______ |
| A. | Single bank canal |
| B. | Ridge canal |
| C. | Side slope canal |
| D. | Watershed canal |
| Answer» B. Ridge canal | |
| 50. |
Using Mohr’s theorem, calculate the maximum slope of a cantilever beam if the bending moment area diagram is 90kNm². Take EI = 4000 kNm². |
| A. | 0.0225 radians |
| B. | 0 0367 radians |
| C. | 0.0455 radians |
| D. | 0.066 radians |
| Answer» B. 0 0367 radians | |