MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Operations knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the maximum value of m? |
| A. | 4 |
| B. | 6 |
| C. | 7 |
| D. | 5 |
| Answer» E. | |
| 2. |
The ‘P’ dimensionless groups are related as ____ |
| A. | Φ (π1, π2, π3, π4…) = 0 |
| B. | α (π1, π2, π3, π4…) = 0 |
| C. | β (π1, π2, π3, π4…) = 0 |
| D. | µ (π1, π2, π3, π4…) = 0 |
| Answer» B. α (π1, π2, π3, π4…) = 0 | |
| 3. |
The working rule for the Buckingham π method is? |
| A. | p=m-n |
| B. | p=n-m |
| C. | p=m-1 |
| D. | p=n-1 |
| Answer» C. p=m-1 | |
| 4. |
For Rayleigh’s Criteria, Minimum number of unrestricted components are ___ |
| A. | (n-r-3) |
| B. | (n-r-2) |
| C. | (n-r-1) |
| D. | (n-r) |
| Answer» C. (n-r-1) | |
| 5. |
THE_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚Àւ§P‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•_DIMENSIONLESS_GROUPS_ARE_RELATED_AS_____?$# |
| A. | Φ (π1, π2, π3, π4…) = 0 |
| B. | α (π1, π2, π3, π4…) = 0 |
| C. | β (π1, π2, π3, π4…) = 0 |
| D. | µ (π1, π2, π3, π4…) = 0 |
| Answer» B. ‚âà√≠¬¨¬± (‚âà√¨‚àö√ë1, ‚âà√¨‚àö√ë2, ‚âà√¨‚àö√ë3, ‚âà√¨‚àö√ë4‚Äö√Ñ√∂‚àö√묨‚àÇ) = 0 | |
| 6. |
What_is_the_maximum_value_of_m?$ |
| A. | 4 |
| B. | 6 |
| C. | 7 |
| D. | 5 |
| Answer» E. | |
| 7. |
The working rule for the Buckingham π method is?# |
| A. | p=m-n |
| B. | p=n-m |
| C. | p=m-1 |
| D. | p=n-1 |
| Answer» C. p=m-1 | |
| 8. |
The dimensions of density is? |
| A. | [M/L]            |
| B. | [T/L<sup>2</sup>]            |
| C. | [M/L<sup>3</sup>]            |
| D. | [L/Ө]            |
| Answer» D. [L/‚Äö√Ñ√π¬¨√Ü]¬¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тĆ | |
| 9. |
For Rayleigh’s Criteria, Minimum number of unrestricted components are ___$ |
| A. | (n-r-3) |
| B. | (n-r-2) |
| C. | (n-r-1) |
| D. | (n-r) |
| Answer» C. (n-r-1) | |
| 10. |
Pressure drop can be dimensionally written as ____ |
| A. | [D/Ө<sup>-1</sup>]            |
| B. | [F/L<sup>2</sup>]            |
| C. | [MӨ<sup>-1</sup>]            |
| D. | [MLӨ<sup>-1</sup>]            |
| Answer» C. [M‚Äö√Ñ√π¬¨√Ü<sup>-1</sup>]¬¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тĆ | |
| 11. |
On which of the listed, Reynold Number of flow depends upon? |
| A. | Capacity, Mass and Diameter |
| B. | Diameter, Length and Capacity |
| C. | Diameter, Velocity and Viscosity |
| D. | Velocity, Capacity and Pressure |
| Answer» D. Velocity, Capacity and Pressure | |
| 12. |
Flow rate can be expressed in dimensional formula as ____ |
| A. | M”®<sup>-1</sup> |
| B. | MLT<sup>-1</sup> |
| C. | M<sup>-1</sup>L |
| D. | TL<sup>-2</sup> |
| Answer» B. MLT<sup>-1</sup> | |
| 13. |
The exponents of the formula can be _____ |
| A. | Only positive integers |
| B. | Any Value |
| C. | Only Fractions |
| D. | Only Negative |
| Answer» C. Only Fractions | |
| 14. |
Each dimensional formula is in which form? |
| A. | [MLT]            |
| B. | [MDT]            |
| C. | [SDT]            |
| D. | [SVT]            |
| Answer» B. [MDT]¬¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тƬ¨¬®‚Äö√тĆ | |