MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Food Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is true about On-Off Control? |
| A. | On-Off valves are called Plug Cocks |
| B. | The size of the valve path is as big as the pipe itself |
| C. | Pressure drop in these is the least compared to all other valves |
| D. | All of the mentioned |
| Answer» E. | |
| 2. |
Statement 1: When an additional connection such as a valve/ tap is to be added, _____ is used.Statement 2: Bents have more pressure drop than elbows. |
| A. | Union joint, True |
| B. | Union joint, False |
| C. | T- joint, True |
| D. | T- joint, False |
| Answer» D. T- joint, False | |
| 3. |
Statement 1: Two pipes are joined using _____Statement 2: The sealing material between two pipes to be joined is called _____ |
| A. | Union Joint, Coupling |
| B. | Coupling, Gasket |
| C. | Coupling, Thread cuttings |
| D. | Thread cuttings, Gasket |
| Answer» C. Coupling, Thread cuttings | |
| 4. |
Pipes are described in the form of _____ |
| A. | None of the mentioned |
| B. | Formation Number |
| C. | All of the mentioned |
| D. | Schedule Number |
| Answer» E. | |
| 5. |
Statement 1: Non-Newtonian fluids have a linear relationship between shear stress and shear strain.Statement 2: Tubes are larger than pipes in diameter and have thicker walls. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» D. False, True | |
| 6. |
Which of the following pumps is this pump- It has no rotating or reciprocating parts involved. No leakage. Air/gas used to impart energy. |
| A. | Piston pump |
| B. | Diaphragm pump |
| C. | Gear pump |
| D. | Air-lift pump |
| Answer» E. | |
| 7. |
Statement 1: Friction factor ‘f’ is an important factor in turbulent flow.Statement 2: ‘f’ is the ratio of shear stress (ϩw) to kinetic energy head ((ρv2)⁄2g). |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» C. False, False | |
| 8. |
The energy loss due to the friction at the walls of a pipe is called _____ |
| A. | Kinetic friction |
| B. | Skin friction |
| C. | Static friction |
| D. | None of the mentioned |
| Answer» C. Static friction | |
| 9. |
Statement 1: Reynolds number is the ratio of viscous force to Inertial Force.Statement 2: The thickness of Boundary layer increases with the increase in distance from the surface. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» D. False, True | |
| 10. |
In Bernoulli’s equation, the friction correction factor is added to the LHS and the energy contributed by the pump is written on the RHS. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
What is Kinetic Energy Factor in the Bernoulli’s equation? |
| A. | It is because friction varies |
| B. | It is because friction stays constant |
| C. | It is because the velocity in every layer varies and only the average velocity is accounted hence a correction factor is a need |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 12. |
Statement 1: Bernoulli’s equation can be applied to flow through pipes both, with and without friction.Statement 2: Air is an incompressible fluid. |
| A. | True, False |
| B. | True, True |
| C. | False, False |
| D. | False, True |
| Answer» B. True, True | |