MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Strength of Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the actual velocity of jet if the coefficient of velocity is 0.97. The head of water on the orifice of diameter 2 cm is 6 m. |
| A. | 11 m/s |
| B. | 12 m/s |
| C. | 10.5 m/s |
| D. | 13 m/s |
| Answer» D. 13 m/s | |
| 2. |
The relation between hydraulic coefficients is Cd = Cc Cv. |
| A. | False |
| B. | True |
| Answer» C. | |
| 3. |
Coeffecient of discharge varies from ___________ to __________ |
| A. | 0.64 to 0.68 |
| B. | 0.61 to 0.65 |
| C. | 0.63 to 0.67 |
| D. | 0.67 to 0.7 |
| Answer» C. 0.63 to 0.67 | |
| 4. |
The Cv taken for sharp edged orifice generally is _________ |
| A. | 0.97 |
| B. | 0.98 |
| C. | 0.95 |
| D. | 0.99 |
| Answer» C. 0.95 | |
| 5. |
The value of Cv varies _______ to ________ |
| A. | 0.95 0.99 |
| B. | 0.93 0.95 |
| C. | 0.97 1 |
| D. | 0.94 0.96 |
| Answer» B. 0.93 0.95 | |
| 6. |
Theorotical velocity = _______ |
| A. | (2gh)<sup>1/3</sup> |
| B. | (2gh)<sup>1/2</sup> |
| C. | (2gh)<sup>1/4</sup> |
| D. | 2gh |
| Answer» C. (2gh)<sup>1/4</sup> | |
| 7. |
Bell mouthed orifices can be categorised in according to ___________ |
| A. | Size |
| B. | Shape |
| C. | Shape of upstream |
| D. | Nature of discharge |
| Answer» D. Nature of discharge | |
| 8. |
The section which has a minimum cross sectional are in a flow is known as _______ |
| A. | Vena contracta |
| B. | Thyrocade |
| C. | Submergent |
| D. | Upstream edge |
| Answer» B. Thyrocade | |
| 9. |
A mouthpiece is a short length of a pipe which is not more than __________ times its diameter. |
| A. | 3-4 |
| B. | 5-6 |
| C. | 1 -2 |
| D. | 2-3 |
| Answer» E. | |
| 10. |
A propped cantilever beam carrying total load W distributed evenly over its entire length calculate the vertical force required in the prop. |
| A. | 3/4 W |
| B. | W |
| C. | 5/8 W |
| D. | 3/8 W |
| Answer» E. | |
| 11. |
A fixed beam of the uniform section is carrying a point load at the centre, if the moment of inertia of the middle half portion is reduced to half its previous value, then the fixed end moments will ______ |
| A. | Increase |
| B. | Remains constant |
| C. | Decrease |
| D. | Change their direction |
| Answer» B. Remains constant | |
| 12. |
The maximum negative bending moment in fixed beam carrying udl occurs at ________ |
| A. | Mid span |
| B. | 1/3 of the span |
| C. | Supports |
| D. | Half of the span |
| Answer» D. Half of the span | |