MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
A sample of wet Douglas-fir wood 20 mm thick, 50 mm wide and 10 cm long weighs 90.21 g. It is then dried at 105 Celcius to constant weight and re-weighed after cooling in a desiccator. The oven-dry weight is 44.37 g. What are the MCGR, MCQD, and basic specific gravity of the wood sample? |
| A. | t1%, 10%, and 0.333 |
| B. | t75.2%, 103.8%, and 1.555 |
| C. | t4.8%, 106.2%, and 6.254 |
| D. | t50.8%, 103.8%, and 0.444 |
| Answer» E. | |
| 2. |
The _________of wood s a measure of the H2O content relative to either the total wet weight of material or to the weight of oven dried wood material. |
| A. | tOver-dry weight |
| B. | tSpecific gravity |
| C. | tMoisture content |
| D. | tGreen weight |
| Answer» D. tGreen weight | |
| 3. |
The viscosity of a material s defined as the mass/unit volume. |
| A. | tTrue |
| B. | tFalse |
| Answer» C. | |
| 4. |
The basic sp. gr. of woods is commonly b/w 0.35 and 0.60, but can change from 0.2 0.7. |
| A. | tTrue |
| B. | tFalse |
| Answer» B. tFalse | |
| 5. |
The specific gravity (specific gravity) of wood s the oven-dry weight of wood divided by the weight of _________ of H2O. |
| A. | tMass |
| B. | tDensity |
| C. | tVolume |
| D. | tViscosity |
| Answer» D. tViscosity | |