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.
| 51. |
Specific weight of water at 4°C is ____________ N/m³. |
| A. | 9810 |
| B. | 9760 |
| C. | 9950 |
| D. | 9865 |
| Answer» B. 9760 | |
| 52. |
_______ fluids are practical fluids |
| A. | Ideal |
| B. | Real |
| C. | Vortex |
| D. | Newtonian |
| Answer» C. Vortex | |
| 53. |
Air and water are the examples of ___________ |
| A. | Non Newtonian fluids |
| B. | Vortex fluids |
| C. | Real fluids |
| D. | Ideal fluids |
| Answer» E. | |
| 54. |
In an ideal fluid, the ____________ stresses are pretend to be absent. |
| A. | Bending |
| B. | Shearing |
| C. | Tensile |
| D. | Compressive |
| Answer» C. Tensile | |
| 55. |
In cantilever beam the deflection occurs at ______ |
| A. | Free end |
| B. | Point of loading |
| C. | Through out |
| D. | Fixed end |
| Answer» B. Point of loading | |
| 56. |
The inverse of specific weight of a fluid is __________ |
| A. | Specific gravity |
| B. | Specific Volume |
| C. | Compressibility |
| D. | Viscosity |
| Answer» C. Compressibility | |
| 57. |
Compute the maximum deflection at free end of a cantilever beam subjected to udl for entire span of l metres. |
| A. | wl⁴/8EI |
| B. | wl⁴/4EI |
| C. | wl³/8EI |
| D. | wl²/6EI |
| Answer» B. wl⁴/4EI | |
| 58. |
Calculate the maximum deflection of a cantilever beam with udl on entire span of 3m the intensity of you udl be 25 kN/m. Take EI as 4000 kN/m². |
| A. | 0.052m |
| B. | 0.063m |
| C. | 0.076m |
| D. | 0.09m |
| Answer» C. 0.076m | |
| 59. |
Specific gravity of water is __________ |
| A. | 0.8 |
| B. | 1 |
| C. | 1.2 |
| D. | 1.5 |
| Answer» C. 1.2 | |
| 60. |
Nutrients like ca, mg, si, al, S, K are lost due to ____________ |
| A. | Soil erosion |
| B. | Percolation |
| C. | Water logging |
| D. | Watershed |
| Answer» C. Water logging | |
| 61. |
Calculate the specific gravity of mercury. |
| A. | 12.5 |
| B. | 14.7 |
| C. | 13.6 |
| D. | 11.8 |
| Answer» D. 11.8 | |
| 62. |
Which of the following is not a soil moisture conservation method? |
| A. | Spreading manure |
| B. | Crop rotation |
| C. | Recharge to ground water |
| D. | By mulches |
| Answer» D. By mulches | |
| 63. |
____________ reduces storm water discharge. |
| A. | Rain water harvesting |
| B. | Water harvesting |
| C. | Watershed |
| D. | Watershed management |
| Answer» C. Watershed | |
| 64. |
The land where all the water comes from ___________ |
| A. | Ridge dam |
| B. | Watershed |
| C. | Meander |
| D. | Groynes |
| Answer» C. Meander | |
| 65. |
Tail escape is also called as ___________ |
| A. | Outlet |
| B. | Cross regulator |
| C. | Weir type escape |
| D. | Surplus escape |
| Answer» D. Surplus escape | |
| 66. |
The maximum ____ should not exceed the permissible limit to the span of the beam. |
| A. | Slope |
| B. | Deflection |
| C. | Load |
| D. | Bending moment |
| Answer» C. Load | |
| 67. |
The ratio of maximum deflection of a beam to its ___________ is called stiffness of the beam. |
| A. | Load |
| B. | Slope |
| C. | Span |
| D. | Reaction at the support |
| Answer» D. Reaction at the support | |
| 68. |
Stiffness of the beam is inversely proportional to the _____ of the beam. |
| A. | Slope |
| B. | Support reaction |
| C. | Deflection |
| D. | Load |
| Answer» D. Load | |
| 69. |
Gold, Copper and lead are the examples of ______ |
| A. | Ductility |
| B. | Creep |
| C. | Plasticity |
| D. | Malleability |
| Answer» D. Malleability | |
| 70. |
Warabandi has been practiced in India for more than ____________ years. |
| A. | 130 years |
| B. | 125 years |
| C. | 140 years |
| D. | 145 years |
| Answer» C. 140 years | |
| 71. |
The maximum deflection in cantilever beam of span “l”m and loading at free end is “W” kN. |
| A. | Wl³/2EI |
| B. | Wl³/3EI |
| C. | Wl³/4EI |
| D. | Wl²/2EI |
| Answer» C. Wl³/4EI | |
| 72. |
Which of the following method is not used for determining slope and deflection at a point? |
| A. | Moment area method |
| B. | Double integration method |
| C. | Isoheytal method |
| D. | Macaulay’s method |
| Answer» D. Macaulay’s method | |
| 73. |
Elastic curve is also known as __________ |
| A. | Refraction curve |
| B. | Reflection curve |
| C. | Deflection curve |
| D. | Random curve |
| Answer» D. Random curve | |
| 74. |
A simply supported beam of span as shown in the figure is subjected to a concentrated load w at its metre span and also to a uniformly distributed load equality w what is the total diffraction it its midpoint. |
| A. | 18 Wl³ /384 EI |
| B. | 13 Wl³/ 384 EI |
| C. | 5 Wl³/ 384 EI |
| D. | 18 Wl³/ 384 EI |
| Answer» C. 5 Wl³/ 384 EI | |
| 75. |
Slope in the beam at any point is measured in ____________ |
| A. | Degrees |
| B. | Minutes |
| C. | Radians |
| D. | Metric tonnes |
| Answer» D. Metric tonnes | |