MCQOPTIONS
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MCQOPTIONS
This section includes 16 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. |
If two forces magnitude F each are acting in the Cartesian coordinate and are acting at the points A(3,3) and B(-3,3). They are heading towards negative z direction and positive z direction respectively. The distance between them is given as r. The radius vectors of the force at A and B are Ra and Rb respectively. Then the moment is given as:a) (Ra-Rb).Fb) (Rb-Ra).Fc) (Ra-Rb)xFd) (Rb-R |
| A. | (Ra-Rb).Fb) (Rb-Ra).Fc) (Ra-R |
| B. | .Fb) (Rb-Ra).F |
| C. | (Ra-Rb)xF |
| D. | (Rb-Ra)xF |
| Answer» E. | |
| 2. |
Determine the couple moment acting on the triangular plane shown. |
| A. | 1600Nm |
| B. | 100Nm |
| C. | 2600Nm |
| D. | 600NmView Answer |
| Answer» D. 600NmView Answer | |
| 3. |
The resultant couple moment is ____________ sum of various couples acting on the body. |
| A. | Vector |
| B. | Scalar |
| C. | Scalar Triple |
| D. | Dot |
| Answer» B. Scalar | |
| 4. |
Determine the couple moment acting on the pipe shown. |
| A. | -130Nm |
| B. | 130Nm |
| C. | -120Nm |
| D. | 120NmView Answer |
| Answer» B. 130Nm | |
| 5. |
A couple moment is a _______ vector. |
| A. | Gradient |
| B. | Scalar |
| C. | Del |
| D. | Free |
| Answer» E. | |
| 6. |
Determine the couple moment acting on the beam shown. |
| A. | 500Nm |
| B. | 1500Nm |
| C. | 740Nm |
| D. | 50NmView Answer |
| Answer» D. 50NmView Answer | |
| 7. |
20KNm$ |
| A. | 21KNm |
| B. | 22KNm |
| C. | 19KNm |
| Answer» B. 22KNm | |
| 8. |
If the forces acting on the couple are in the same direction, that is they are not in the opposite direction as always they are, then? |
| A. | The direction of the forces doesn’t determine the moment |
| B. | The couple moment will be maximum |
| C. | The couple is not possible |
| D. | No change occurs |
| Answer» D. No change occurs | |
| 9. |
Which_of_the_following_is_correct? |
| A. | The couple moment depends on the axis of rotation |
| B. | The couple moment depends directly on the radius vector of forces |
| C. | The couple moment depends only on the distance vector between the forces |
| D. | The couple moment’s direction is given by the left hand rule |
| Answer» B. The couple moment depends directly on the radius vector of forces | |
| 10. |
A couple moment is a _______ vector? |
| A. | Gradient |
| B. | Scalar |
| C. | Del |
| D. | Free |
| Answer» B. Scalar | |
| 11. |
Which of the following is correct for the moment of couple M caused by two forces of same magnitude F and are separated by a distance of r? |
| A. | M = rxF |
| B. | M = r.F |
| C. | M = -(rxF) |
| D. | M = -(r.F) |
| Answer» E. | |
| 12. |
A man is travelling in the car. He is driving the car. If he is taking a turn in the road. He is applying force to the steering wheel by holding the wheel with his both hands. The steering wheel is facing a moment of force. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
The resultant force acting in the couple is _________ |
| A. | Zero |
| B. | Infinite |
| C. | Twice the magnitude of the single force |
| D. | Half the magnitude of the single force |
| Answer» C. Twice the magnitude of the single force | |
| 14. |
The distance between the forces acting in the couple is ____________ |
| A. | Infinity |
| B. | Zero |
| C. | A finite distance |
| D. | A circular loop |
| Answer» B. Zero | |
| 15. |
500Nm |
| A. | 1500Nm |
| B. | 740Nm |
| C. | 50Nm |
| Answer» D. | |
| 16. |
Couple is having a combination of two forces. They are different in magnitude. |
| A. | True |
| B. | False |
| Answer» C. | |