Fsc Part 2 Chemistry Online Test-Chapter 15 Common Chemical Industries in Pakistan

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Sr.#	Question	Answer
1	One of following is argillaceous material	A. Marble B. Clay C. Lime D. Marine Shell
2	How many zones through which the charge passes in a rotary kiln	A. 4 B. 3 C. 2 D. 5
3	The composition mixture of clay and lime stone in the raw material.	A. 75% lime stone and 25% clay B. 25% lime stone and 75% clay C. 15% lime stone and 55% clay D. 55% lime stone and 15% clay
4	The percentage of clay and liem stone in cement is in the ratio of.	A. 1 : 1 B. 1 :2 C. 1:3 D. 3:1
5	Micro-nutrient is required in quantity for plant growth ranging from	A. 4-40 gm B. 6-200 gm C. 6-200 kg D. 4-40 kg
6	Usually the percentage of moisture is paper is	A. 1- 3% B. 4-6% C. 6-8% D. 5%
7	Phosphorus helps the growth of	A. Root B. Leaf C. Steam D. Seed
8	During pulp making, the pH of digester is maintained at.	A. 1-2 B. 3-5 C. 6-8 D. 7-9
9	What is the function of Head box in paper making machine.	A. It reduces the thickness of paper B. It dry the paper C. It discharge teh pulp at the screen of fourdrinier table D. Web structure is consolidated
10	The diameter of rotary kiln in the manufacture of Portland cement is.	A. 1 to 2 feet B. 2 to 4 feet C. 4 to 8 feet D. 8 to 15 feet