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

Chemistry Fsc Part 2 Chapter 15 Online Test

Sr. #	Questions	Answers Choice
1	During pulp making, the pH of digester is maintained at.	1-2 3-5 6-8 7-9
2	The diameter of rotary kiln in the manufacture of Portland cement is.	1 to 2 feet 2 to 4 feet 4 to 8 feet 8 to 15 feet
3	In Pakistan, the total consumption of paper per person per year is.	2 kg 5 kg 7 kg 10 kg
4	Usually the percentage of moisture is paper is	1- 3% 4-6% 6-8% 5%
5	What is the function of Head box in paper making machine.	It reduces the thickness of paper It dry the paper It discharge teh pulp at the screen of fourdrinier table Web structure is consolidated
6	Which substance is used ot bleach the pulp.	Na2SO3 NaCl NaClO NaOH
7	The temperature of digester is main tained at	100<sup>o</sup>C 160-180<sup>o</sup>C 200<sup>o</sup>C 200-240<sup>o</sup>C
8	Which process of pulp making is mostly used in Pakistan.	Kraft process Sulphite process Neutral sulphite semi chemical process Wet process
9	Which one of the followings is woody raw material used for making pulp and paper	Eucalyptus Wheat straw Bagasse Cotton linter
10	In which country first of all paper was invented	USA China Egypt Germany
11	During manufacturing of cement , the temperature of pre heating zone is.	500 <sup>o</sup>C 900<sup>o</sup>C 1000<sup>o</sup>C 1500<sup>o</sup>C
12	The percentage of clay and liem stone in cement is in the ratio of.	1 : 1 1 :2 1:3 3:1
13	Setting process of cement is based upon	Hydrolysis Hydration Dehydration Botha a and b
14	The composition mixture of clay and lime stone in the raw material.	75% lime stone and 25% clay 25% lime stone and 75% clay 15% lime stone and 55% clay 55% lime stone and 15% clay
15	Which one of the following is calcareous material	Marine shells clay Shale Blast furnace slag
16	Which one of the following raw materials is not present in the cement.	Lime stone Gypsum Blast furnace slag Red lead
17	What is clinker	Roasted calcareous material Roasted argillaceous material Roasted calcareous and argillaceous material Roasted gyposum

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