MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Punj Lloyd knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An axial residual compressive stress due to a manufacturing process is present on the outer surface of a rotating shaft subjected to bending. Under a given bending-load, the fatigue life of the shaft in the presence of the residual compressive stress is(Mechnical Engg.) |
| A. | decreased |
| B. | increased or decreased, depending on the external bending load |
| C. | neither decreased nor increased |
| D. | Increased |
| Answer» E. | |
| 2. |
If a system is in equilibrium and the position of the system depends upon many independent variables, the principle of virtual work states that the partial derivatives of its total potential energy with respect to eaeh of the independent variable must be (Mechnical Engg.) |
| A. | -1.0 |
| B. | Zero |
| C. | 1.0 |
| D. | Infinite |
| Answer» C. 1.0 | |
| 3. |
Stokes theorem connects (Mechnical Engg.) |
| A. | a line integral and a surface integral |
| B. | a surface integral and a volume integral |
| C. | a line integral and a volume integral |
| D. | gradient of a function and its surface integral |
| Answer» B. a surface integral and a volume integral | |
| 4. |
A watershed got transformed from rural to urban over a period of time. The effect of urbanization on storm run-off hydrograph from the watershed is to (Civil Engg.) |
| A. | decrease the volume of run-off |
| B. | increase the time to peak discharge |
| C. | decrease the time base |
| D. | decrease the peak discharge |
| Answer» D. decrease the peak discharge | |