MCQOPTIONS
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MCQOPTIONS
This section includes 4 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. |
= cos-1(A.B/AB). What is the range of ? |
| A. | 0 < <90 |
| B. | 0 < <180 |
| C. | 90 < <180C |
| D. | 0 < <45 |
| Answer» C. 90 < <180C | |
| 2. |
What is {(i.i) + (-i.j) + (-k.k) + (k.i)}.(Ai +Bj + Cz)? |
| A. | 1 |
| B. | 0 |
| C. | A + B + C |
| D. | -1 |
| Answer» C. A + B + C | |
| 3. |
What is k.i? |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | |
| Answer» B. 1 | |
| 4. |
For two vectors A and B, what is A.B (if they have angle between them)? |
| A. | |A||B| cos |
| B. | |A||B| |
| C. | (|A||B|) cos |
| D. | |A||B| sin |
| Answer» B. |A||B| | |