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This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Mathematics knowledge and support exam preparation. Choose a topic below to get started.
1. |
If f(t) = cos(at + b), its Laplace transform is given by? |
A. | ( frac{a}{s^2+a^2} ) |
B. | ( frac{2as}{(s^2+a^2)^2} ) |
C. | ( frac{scos(b)-asin(b)}{s^2+a^2} ) |
D. | Does not exist |
Answer» D. Does not exist | |
2. |
If f(t) = sin(at + b), its Laplace transform is given by? |
A. | Indeterminate |
B. | ( frac{(s)sin(b)+acos(b)}{s^2+a^2} ) |
C. | ( frac{s^2-a^2}{(s-a)^2} ) |
D. | ( frac{2a^3}{(s^2+a^2)} ) |
Answer» C. ( frac{s^2-a^2}{(s-a)^2} ) | |
3. |
If f(t) = cos(at) + atsin(at), its Laplace transform is given by? |
A. | ( frac{s+a}{s-a} ) |
B. | ( frac{a^3}{(s^2+a^2)^2} ) |
C. | ( frac{s(s^2+3a^2)}{(s^2+a^2)^2} ) |
D. | Does not exist |
Answer» D. Does not exist | |
4. |
If f(t) = cos(at) atsin(at), then its Laplace transform is given by? |
A. | sinat<sup>2</sup> |
B. | ( frac{s(s^2-a^2)}{(s^2+a^2)^2} ) |
C. | ( frac{ Gamma(p+1)}{s^{p+1}} ) |
D. | Does not exist |
Answer» C. ( frac{ Gamma(p+1)}{s^{p+1}} ) | |
5. |
If f(t) = sin(at) atcos(at), then its Laplace transform is given by? |
A. | Indeterminate form is encountered |
B. | a<sup>3</sup> (s<sup>2</sup> + a<sup>2</sup>)<sup>2</sup> |
C. | 2a<sup>3</sup> (s<sup>2</sup> a<sup>2</sup>)<sup>2</sup> |
D. | 2a<sup>3</sup> (s<sup>2</sup> + a<sup>2</sup>)<sup>2</sup> |
Answer» E. | |
6. |
If f(t) = tcos(at), its Laplace transform is given by? |
A. | 1 s-a |
B. | s<sup>2</sup> a<sup>2</sup> (s<sup>2</sup>+a<sup>2</sup>)<sup>2</sup> |
C. | Indeterminate |
D. | s<sup>2</sup>at |
Answer» C. Indeterminate | |
7. |
If f(t) = cos(at), its Laplace transform is given by? |
A. | s s<sup>2</sup>+a<sup>2</sup> |
B. | a s<sup>2</sup>+a<sup>2</sup> |
C. | 2 s |
D. | Does not exist |
Answer» B. a s<sup>2</sup>+a<sup>2</sup> | |
8. |
If f(t) = tp where p > 1, its Laplace Transform is given by? |
A. | 2 s |
B. | f(t) = tsin(at) |
C. | (p+1) s<sup>p+1</sup> |
D. | Does not exist |
Answer» E. | |
9. |
If f(t) = eat, its Laplace Transform is given by? |
A. | a s<sup>2</sup>+a<sup>2</sup> |
B. | 2 s |
C. | 1 s-a |
D. | Does not exist |
Answer» D. Does not exist | |
10. |
If f(t) = tsin(at) then its Laplace Transform is given by? |
A. | 2as (s<sup>2</sup>+a<sup>2</sup>)<sup>2</sup> |
B. | a s<sup>2</sup>+a<sup>2</sup> |
C. | Indeterminate |
D. | 2 s |
Answer» B. a s<sup>2</sup>+a<sup>2</sup> | |
11. |
If f(t) = sin(at), then its Laplace Transform is given by? |
A. | cos(at) |
B. | 1 a<sup>sin(at)</sup> |
C. | Indeterminate |
D. | a s<sup>2</sup>+a<sup>2</sup> |
Answer» E. | |
12. |
If f(t)= t, then its Laplace Transform is given by? |
A. | <sup>1</sup> <sub>2</sub> |
B. | <sup>1</sup> <sub>s</sub> |
C. | 2 s |
D. | Does not exist |
Answer» D. Does not exist | |
13. |
If f(t) = tn where, n is an integer greater than zero, then its Laplace Transform is given by? |
A. | n! |
B. | t<sup>n+1</sup> |
C. | n! s<sup>n+1</sup> |
D. | Does not exist |
Answer» D. Does not exist | |
14. |
If f(t) = 1, then its Laplace Transform is given by? |
A. | s |
B. | <sup>1</sup> <sub>s</sub> |
C. | 1 |
D. | Does not exist |
Answer» C. 1 | |