MCQOPTIONS
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MCQOPTIONS
This section includes 24 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. |
On differentiating M wrt X we will get:- |
| A. | W |
| B. | -W |
| C. | V |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
First step to solve complex truss using Method of substitute members is to convert it into unstable simple truss.State whether the above statement is true or false. |
| A. | true |
| B. | false |
| Answer» C. | |
| 3. |
How many equilibrium equations are used in method of sections? |
| A. | 2 |
| B. | 4 |
| C. | 3 |
| D. | 5 |
| Answer» D. 5 | |
| 4. |
The system of the collinear and the parallel force are simplified as: |
| A. | The simplified collinear force system gives us a net force and the parallel force system gives us a simplified force, and then we add it vectorially |
| B. | Such simplification is not possible |
| C. | The simplification is usually done by not considering the directions of the both |
| D. | The simplification is done by considering the rotations only |
| Answer» B. Such simplification is not possible | |
| 5. |
Determine the force in members QR. |
| A. | 1980N |
| B. | 800N |
| C. | 2200N |
| D. | 1100NView Answer |
| Answer» D. 1100NView Answer | |
| 6. |
Determine the force in members UR. |
| A. | 1980N |
| B. | 800N |
| C. | 2200N |
| D. | 1100NView Answer |
| Answer» B. 800N | |
| 7. |
Determine the force in members UT. |
| A. | 1980N |
| B. | 800N |
| C. | 2200N |
| D. | 1100NView Answer |
| Answer» C. 2200N | |
| 8. |
The free body diagram of which part of the section of the truss is made to make use of the method of sections? |
| A. | Joints |
| B. | Truss |
| C. | The whole structure |
| D. | Any section can be used |
| Answer» E. | |
| 9. |
We have three method to solve for the unknown force in the trusses. They are method of section, method of joints and rotational vector method. |
| A. | The first part of the statement is false and other part is true |
| B. | The first part of the statement is false and other part is false too |
| C. | The first part of the statement is true and other part is false |
| D. | The first part of the statement is true and other part is true too |
| Answer» C. The first part of the statement is true and other part is false | |
| 10. |
The free diagram of the section of the truss is made for the section having the least number of the forces. This is done as to make the calculations easy. |
| A. | The first part of the statement is false and other part is true |
| B. | The first part of the statement is false and other part is false too |
| C. | The first part of the statement is true and other part is false |
| D. | The first part of the statement is true and other part is true too |
| Answer» E. | |
| 11. |
The determination of the truss’s support reaction is done first and then the section is isolated for the method of the section. |
| A. | The first step is right but the second one is wrong |
| B. | The first step is wrong and the second one is wrong too |
| C. | The first step is right and the second one is right too |
| D. | The first step is wrong but the second one is right |
| Answer» D. The first step is wrong but the second one is right | |
| 12. |
1980N |
| A. | 800N |
| B. | 2200N |
| C. | 1100N |
| Answer» D. | |
| 13. |
We have three method to solve for the unknown force in the trusses. They are method of section, method of joints and rotational vector method? |
| A. | The first part of the statement is false and other part is true |
| B. | The first part of the statement is false and other part is false too |
| C. | The first part of the statement is true and other part is false |
| D. | The first part of the statement is true and other part is true too |
| Answer» C. The first part of the statement is true and other part is false | |
| 14. |
On differentiating V wrt X we will get:- |
| A. | W |
| B. | -W |
| C. | M |
| D. | None of the mentioned |
| Answer» C. M | |
| 15. |
Why the determination of the support reaction needs to be done before isolating the section? |
| A. | This reduces the calculation and also the labour |
| B. | This makes the isolated section more complicated |
| C. | This results in reduction on the formulas used |
| D. | This procedure is not done at all, it of no need |
| Answer» B. This makes the isolated section more complicated | |
| 16. |
First step to solve complex truss using Method of substitute members is to convert it into unstable simple truss. |
| A. | |
| B. | true |
| Answer» C. | |
| 17. |
The determination of the truss’s support reaction is done first and then the section is isolated for the method of the section.$ |
| A. | The first step is right but the second one is wrong |
| B. | The first step is wrong and the second one is wrong too |
| C. | The first step is right and the second one is right too |
| D. | The first step is wrong but the second one is right |
| Answer» D. The first step is wrong but the second one is right | |
| 18. |
Method of substitute members is use for which type of trusses? |
| A. | complex |
| B. | compound |
| C. | simple |
| D. | simple and compound |
| Answer» B. compound | |
| 19. |
Method of section cuts the whole structure of trusses into a section and then uses the cut out portion for the calculations of the unknown forces. For this method, at most two forces must be collinear. |
| A. | The first part of the statement is false and other part is true |
| B. | The first part of the statement is false and other part is false too |
| C. | The first part of the statement is true and other part is false |
| D. | The first part of the statement is true and other part is true too |
| Answer» D. The first part of the statement is true and other part is true too | |
| 20. |
In method of sections, what is the maximum no. of unknown members through which the imaginary section can pass? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 21. |
The method of joints helps us to find out the unknown force in the trusses joint. And the method of section helps us to make the calculation of the direction of the zero members. |
| A. | The first part of the statement is false and other part is true |
| B. | The first part of the statement is false and other part is false too |
| C. | The first part of the statement is true and other part is false |
| D. | The first part of the statement is true and other part is true too |
| Answer» D. The first part of the statement is true and other part is true too | |
| 22. |
In trusses, a member in the state of tension is subjected to:- |
| A. | push |
| B. | pull |
| C. | lateral force |
| D. | either pull or push |
| Answer» C. lateral force | |
| 23. |
The method of section cuts the whole structure of trusses into section and then uses the cut out portion for the calculations. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 24. |
We use the method of joints when the members on which the force to be found are few in number. |
| A. | True |
| B. | False |
| Answer» B. False | |