MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Determine the x coordinate of centroid of the area in the shape of circle as shown. |
| A. | 4R/π |
| B. | 2/π |
| C. | 2R/3 |
| D. | 2R/5 |
| Answer» B. 2/π | |
| 2. |
What is not the condition for the equilibrium for the calculations used for the determination of the centroid in three dimensional system of axis? |
| A. | ∑Fx=0 |
| B. | ∑Fy=0 |
| C. | ∑Fz=0 |
| D. | ∑F≠0 |
| Answer» E. | |
| 3. |
Determine the y coordinate of centroid of the area in the shape of circle as shown. |
| A. | 4R/π |
| B. | 2/π |
| C. | 2R/3 |
| D. | 2R/5View Answer |
| Answer» B. 2/π | |
| 4. |
Centroid determination involves the calculations of various forces. In that forces are having various properties. That is force is developed by a support that not allows the ________ of its attached member. |
| A. | Translation |
| B. | Rotation |
| C. | Addition |
| D. | Subtraction |
| Answer» B. Rotation | |
| 5. |
Centroid of a body does depends upon the small weights of tiny particles. Which statement is right for force acting by the small particles of the body having it’s vector form as = Ai + Bj + Ck? |
| A. | In rectangular components representation of any vector we have vector F = Ai + Bj + Ck |
| B. | In rectangular components representation of any vector we have vector F = Ax + By + Cz |
| C. | In rectangular components representation of any vector we have vector F = Fx + Fy + Fz |
| D. | In rectangular components representation of any vector we have vector F = Fi + Fj + Fk |
| Answer» D. In rectangular components representation of any vector we have vector F = Fi + Fj + Fk | |
| 6. |
CENTROID_DETERMINATION_INVOLVES_THE_CALCULATIONS_OF_VARIOUS_FORCES._IN_THAT_FORCES_ARE_HAVING_VARIOUS_PROPERTIES._THAT_IS_FORCE_IS_DEVELOPED_BY_A_SUPPORT_THAT_NOT_ALLOWS_THE__________OF_ITS_ATTACHED_MEMBER.?$ |
| A. | Translation |
| B. | Rotation |
| C. | Addition |
| D. | Subtraction |
| Answer» B. Rotation | |
| 7. |
4R/π$ |
| A. | 2/π |
| B. | 2R/3 |
| C. | 2R/5 |
| Answer» B. 2R/3 | |
| 8. |
Centroid of a body does depends upon the small weights of tiny particles. Which statement is right for force acting by the small particles of the body having it’s vector form as = Ai + Bj + Ck?# |
| A. | In rectangular components representation of any vector we have vector F = Ai + Bj + Ck |
| B. | In rectangular components representation of any vector we have vector F = Ax + By + Cz |
| C. | In rectangular components representation of any vector we have vector F = Fx + Fy + Fz |
| D. | In rectangular components representation of any vector we have vector F = Fi + Fj + Fk |
| Answer» D. In rectangular components representation of any vector we have vector F = Fi + Fj + Fk | |
| 9. |
If the force vector F acting along the centroid is having its x-axis component being equal to Z N, y-axis component be X N and z-axis component be Y N then vector F is best represented by? |
| A. | Xi + Yj + Zk |
| B. | Yi + Xj + Zk |
| C. | Zi + Yj + Xk |
| D. | Zi + Xj + Yk |
| Answer» E. | |
| 10. |
The centre of ____________ is the ratio of the product of centroid and volume to the total volume. |
| A. | Centroid axis |
| B. | Density |
| C. | Mass |
| D. | Volume |
| Answer» E. | |
| 11. |
The x axis coordinate and the y axis coordinate of the centroid are having different types of calculations to calculate them. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
The use of centroid comes in picture as if the non-Uniform loading is of the type of parabola then what will be the best suited answer among the following? |
| A. | The net load will not be formed as all the forces will be cancelled |
| B. | The net force will act the centre of the parabola |
| C. | The net force will act on the base of the loading horizontally |
| D. | The net force will act at the centroid of the parabola |
| Answer» E. | |
| 13. |
One of the uses of the centroid is as in the simplification of the loading system the net force acts at the ___________ of the loading body. |
| A. | Centroid |
| B. | The centre axis |
| C. | The corner |
| D. | The base |
| Answer» B. The centre axis | |
| 14. |
If solving the question in 3D calculations is difficult, then use the 2D system and then equate the ratio of the product of the centroid of the section to its mass to the total mass of the body to the centroid. |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
Density is best given by _______ |
| A. | Product of volume and density |
| B. | Ratio of mass to Volume |
| C. | Addition of mass and density |
| D. | Subtraction of mass and density |
| Answer» C. Addition of mass and density | |