MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp Paper knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The flow capacity of a valve is calculated by the _________ Cv, the flow of water through a wide—open valve in U.S. gal/min for a pressure gradient of 1 psi. For a given nominal valve size the highest Cv is achieved with ball valves followed by (in decreasing order) gate, plug, and globe valves. |
| A. | Hydraulic valve coefficient |
| B. | Constant for flow conditions |
| C. | Boltzmann constant |
| D. | Kraft’s constant |
| Answer» B. Constant for flow conditions | |
| 2. |
__________ valves utilise a flexible diaphragm (disk) against a fixed seat. Both of these allow the control mechanism to be completely sealed from the fluid without the utilization of seals or glands, although they are limited to relatively low temperatures and pressures. |
| A. | Globe |
| B. | Gate |
| C. | Throttling |
| D. | Diaphragm |
| Answer» E. | |
| 3. |
What is the type of the valve? |
| A. | Plug |
| B. | Gate |
| C. | Globe |
| D. | Throttle |
| Answer» C. Globe | |
| 4. |
What is this hydraulic valve coefficient value for? |
| A. | Solid |
| B. | Liquid |
| C. | Steam |
| D. | GasView Answer |
| Answer» C. Steam | |
| 5. |
What is the value of C ? |
| A. | Hydraulic valve coefficient |
| B. | Constant for flow conditions |
| C. | Boltzmann constant |
| D. | Kraft’s constantView Answer |
| Answer» C. Boltzmann constant | |
| 6. |
Solid |
| A. | Liquid |
| B. | Steam |
| C. | Gas |
| Answer» C. Gas | |