Q1). (SOL1,4)=24 marks. Multiple choice 1. The gasification of coal involves the conversion of coal to high content gas a. CO and H2. b. CO and H2O. c. CO2 and H2. d. CO and HF. 2. Which type of the coal is preferred for metallurgical coal? a. Lignite b. Bituminous coal c. Anthracite coal d. Peat 3. Which of the following term is not used in pulping? a. Kappa number b. Bromine Number c. Copper number d. Permanganate number 4. For coal gasification, then coal must have the following properties a. High calorific value, high carbon content with low ash content, low sulphur, low moisture, low cost. b. High calorific value, low carbon content with low ash content, low sulphur, low moisture, high cost. c. High calorific value, high carbon content with high ash content, low sulphur, low moisture, high cost. d. High carbon content, low calorific value, with low ash content, high sulphur, low moisture, low cost. 5. A disadvantage of using hard wood is a. Low rejection b. Easy chipping c. Uniform bleach requirement d. Shade variation 6. In proximate analysis of coal various parameters determined which are a. Moisture, ash, fixed carbon, and volatile matter b. Moisture, ash, and volatile matter c. Moisture, fixed carbon, and volatile matter d. Ash, fixed carbon, and volatile matter 7. Refining include a. Fibre bonding b. Fibre separation and cutting c. Fibrillation d. Stuining effect of the fibre