MCQOPTIONS
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MCQOPTIONS
This section includes 19 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 line in the shape of a parabola as shown. |
| A. | 0.410m |
| B. | 1.410m |
| C. | 2.410m |
| D. | 0.10mView Answer |
| Answer» B. 1.410m | |
| 2. |
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 | |
| 3. |
We use sometimes the measures to know the direction of moment. It is done by right handed coordinate system. Which is right about it(consider the mentioned axis to be positive)? |
| A. | Thumb is z-axis, fingers curled from x-axis to y-axis |
| B. | Thumb is x-axis, fingers curled from z-axis to y-axis |
| C. | Thumb is y-axis, fingers curled from x-axis to z-axis |
| D. | Thumb is z-axis, fingers curled from y-axis to x-axis |
| E. | ?a) Thumb is z-axis, fingers curled from x-axis to y-axisb) Thumb is x-axis, fingers curled from z-axis to y-axisc) Thumb is y-axis, fingers curled from x-axis to z-axisd) Thumb is z-axis, fingers curled from y-axis to x-axis |
| Answer» B. Thumb is x-axis, fingers curled from z-axis to y-axis | |
| 4. |
Volume is best given by ___________ |
| A. | Product of mass and density |
| B. | Ratio of mass to density |
| C. | Addition of mass and density |
| D. | Subtraction of mass and density |
| Answer» C. Addition of mass and density | |
| 5. |
Determine the y coordinate of centroid of the line in the shape of parabola as shown. |
| A. | 0.514m |
| B. | 1.410m |
| C. | 2.410m |
| D. | 0.10mView Answer |
| Answer» B. 1.410m | |
| 6. |
The centre of volume is the ratio of ________ to _________ |
| A. | The product of centroid and mass to the total weight |
| B. | The addition of centroid and weight to the total weight |
| C. | The subtraction of centroid and volume to the total weight |
| D. | The product of centroid and volume to the total volume |
| Answer» E. | |
| 7. |
A body’s all small particles have a small weight which is being applied by them to the body, which adds up to the total weight of the body. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
514m$ |
| A. | 1.410m |
| B. | 2.410m |
| C. | 0.10m |
| Answer» B. 2.410m | |
| 9. |
If the force vector F acting along the centre of gravity 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» B. Yi + Xj + Zk | |
| 10. |
If A is any vector with Ai + Bj + Ck then what is the y-axis component of the vector if we are using the vector math to calculate the centre of gravity? |
| A. | B units |
| B. | A units |
| C. | C units |
| D. | Square root of a sum of squares of the three, i.e. A, B and C |
| Answer» D. Square root of a sum of squares of the three, i.e. A, B and C | |
| 11. |
We use sometimes the measures to know the direction of moment. It is done by right handed coordinate system. Which is right about it(consider the mentioned axis to be positive)? |
| A. | Thumb is z-axis, fingers curled from x-axis to y-axis |
| B. | Thumb is x-axis, fingers curled from z-axis to y-axis |
| C. | Thumb is y-axis, fingers curled from x-axis to z-axis |
| D. | Thumb is z-axis, fingers curled from y-axis to x-axis |
| Answer» E. | |
| 12. |
Volume_is_best_given_by____________ |
| A. | Product of mass and density |
| B. | Ratio of mass to density |
| C. | Addition of mass and density |
| D. | Subtraction of mass and density |
| Answer» B. Ratio of mass to density | |
| 13. |
The centre of mass is the ratio of ________ to _________ |
| A. | The product of centroid and mass to the total weight |
| B. | The addition of centroid and weight to the total weight |
| C. | The subtraction of centroid and weight to the total weight |
| D. | The product of centroid and mass to the total mass |
| Answer» E. | |
| 14. |
The x axis coordinate and the y axis coordinate of the centre of gravity are having different types of calculations to calculate them. |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
The centre of gravity is the ratio of ________ to _________ |
| A. | The product of centroid and weight to the total weight |
| B. | The addition of centroid and weight to the total weight |
| C. | The subtraction of centroid and weight to the total weight |
| D. | The product of centroid and weight to the total mass |
| Answer» B. The addition of centroid and weight to the total weight | |
| 16. |
The total of all the weights of small particles adds up to give the total body weight. This weight is the force vector which is being passed by ________ |
| A. | Axis of rotation |
| B. | Axis of rolling |
| C. | Centre of Gravity |
| D. | Centre of mass |
| Answer» D. Centre of mass | |
| 17. |
The all small weights that are being applied by all the infinite particles of the body act __________ to each other. |
| A. | Parallel |
| B. | Perpendicular |
| C. | Collinear |
| D. | Divergent |
| Answer» B. Perpendicular | |
| 18. |
A body’s all small particles have a small weight which is being applied by them to the body, which adds up to the total weight of the body.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 19. |
A body is consisted of __________ number of particles. |
| A. | Infinite |
| B. | Finite |
| C. | Hundreds |
| D. | Thousands |
| Answer» B. Finite | |