MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
___________ is recovered by acidification and used dispersants, phenol-formaldehyde adhesive extenders, and binders in printing inks. |
| A. | tWhite liquor |
| B. | tBrown liquor |
| C. | tBlack liquor |
| D. | tGreen liquor |
| Answer» D. tGreen liquor | |
| 2. |
___________ is a mixture of volatile extractives collected during digester heating. |
| A. | tKraft lignin |
| B. | tTall oil |
| C. | tWax |
| D. | tTurpentine |
| Answer» E. | |
| 3. |
Tall oil is a by-product mixture of the saponified fatty acids, resin acids and unsaponifiables which are derived from the wood extractives of ___________ |
| A. | tHardwood |
| B. | tSoftwood |
| C. | tTurpentine |
| D. | tLignin |
| Answer» C. tTurpentine | |
| 4. |
About 65% of the methanol and BOD is concentrated in 6% of the entire condensate stream in the upper portion of the plates just to release __________ |
| A. | tFour condensate segregation |
| B. | tFine copper segregation |
| C. | tFoul condensate segregation |
| D. | tFree condensate segregation |
| Answer» D. tFree condensate segregation | |
| 5. |
Falling film evaporators are used in conventional evaporators except for the mechanism for evaporation in each stage is of different unit. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 6. |
What is the full form of L.T.V? |
| A. | tLong tube vertical |
| B. | tLess tube vertical |
| C. | tLeakage tube vent |
| D. | tLombarda tube vent |
| Answer» B. tLess tube vertical | |
| 7. |
Stream economy equals water mass evaporated by the mass of stream used. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 8. |
If 100lb of black liquor containing 15lb of solids and 85lb of water is evaporated to 30lb; with a stream economy of 5 it would take 14lb of steam to remove the 70lb of water. The steam economy is about 0.8 per effect. An overall steam economy of the system is ? |
| A. | t9-10 |
| B. | t4-5 |
| C. | t20-25 |
| D. | t16-17 |
| Answer» C. t20-25 | |
| 9. |
What is the full form of M.E.E? |
| A. | tMultiple-effect evaporators |
| B. | tMolecular-energy evaporators |
| C. | tMultiple entropy evaporators |
| D. | tMolecular-engineering evaporators |
| Answer» B. tMolecular-energy evaporators | |