Which of the following is an additional step in the manufacture of
paper from bagasse as compared to that from bamboo?
(A) Depithing
(B) Digestion
(C) Bleaching
(D) None of these

1 Answer

Answer :

(A) Depithing

Related questions

Description : Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms ... both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Last Answer : (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor

Description : Pick out the wrong statement. (A) Kraft method of pulp manufacture can process all types of fibrous raw materials (B) Digestion time for bagasse is less than that for wood base materials (C) Both ... in case of the sulphite method as compared to that in the sulphate method (D) None of these

Last Answer : (D) None of these

Description : In the manufacture of viscose rayon, the raw material used industrially is (A) Eucalyptus wood (B) Bamboo (C) Bagasse (D) Fine teak wood

Last Answer : (D) Fine teak wood

Description : Which woody raw material is used for the manufacture of paper pulp? A. Cotton B. Poplar (Answer) C. Bagasse D. Rice straw

Last Answer : B. Poplar (Answer)

Description : . Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent. (A) 75 (B) < 10 (C) > 30 (D) 50

Last Answer : (B) < 10

Description : Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent. (A) 10 (B) 50 (C) 80 (D) 95

Last Answer : (B) 50

Description : Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process. (A) Mechanical (B) Sulphate/Kraft (C) Sulphite (D) Neutral sulphite semi-chemical

Last Answer : (D) Neutral sulphite semi-chemical

Description : The product used for manufacturing of Industrial alcohol is- (1) Khandasari (2) Bagasse (3) Molasses (4) Paper-pulp

Last Answer : (3) Molasses Explanation: Molasses is a viscous by-product of the beating of sugarcane, grapes or sugar beets into sugar. Blackstrap molasses is a source of calcium, magnesium, potassium, and iron; ... It is used in the manufacture of ethyl alcohol for industry and as an ingredient in cattle feed.

Description : Bagasse, a by-product of sugar manufacturing industry, is used for the production of - (1) Glass (2) Paper (3) Rubber (4) Cement

Last Answer : (2) Paper

Description : Explain drying step in the manufacture of paper.

Last Answer : After obtaining paper web, water is removed from it be using air or heat. Earlier method of drying was to hang paper sheets as clothes. Now steam heated can drier are used for drying paper.

Description : Digestion of wood-base materials (for manufacture of pulp) is done to (A) Remove lignin (B) Produce long fibres (C) Prevent deterioration on storage (D) None of these

Last Answer : (A) Remove lignin

Description : Bleaching of paper pulp is done with (A) Activated clay (B) Bromine (C) Chlorine or chlorine dioxide (D) Magnesium sulphite

Last Answer : (C) Chlorine or chlorine dioxide

Description : Equilibrium moisture of a solid is equal to the total moisture minus free moisture. Which of the following substances will have maxi-mum equilibrium moisture? (A) Anthracite coal (B) Rag paper (C) Bamboo (D) Inorganic solids

Last Answer : (C) Bamboo

Description : Paper grade bamboo contains about __________ percent cellulose. (A) 5 (B) 20 (C) 40 (D) 60

Last Answer : (A) 5

Description : Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood. (A) 1 (B) 2.5 (C) 5 (D) 10

Last Answer : (B) 2.5

Description : The first step in the refining process of many oils is ____. a. degumming c. bleaching b. refining d. winterization

Last Answer : a. degumming

Description : Which of the following is not present in bagasse fibre? (A) Cellulose (B) Lignin (C) Pentogens (D) None of these

Last Answer : (D) None of these

Description : Feedstock for the production of biodiesel is (A) Herbal plants (B) Used vegetable oils (C) LSHS (D) Bagasse

Last Answer : (B) Used vegetable oils

Description : Which of the following is not a manufactured fuel? (A) Furnace oil (B) Bagasse (C) Semi-coke (D) Kerosene

Last Answer : (B) Bagasse

Description : Which of the following is not a by-product fuel? (A) Sewage gas (B) Refinery gas (C) Producer gas (D) Bagasse

Last Answer : (C) Producer gas

Description : A cane sugar factory having sugar production rate of 10 tons/day will produce about __________ tons/day of bagasse (after consumption by the factory for heating etc.). (A) 1 (B) 10 (C) 25 (D) 40

Last Answer : (B) 10

Description : Which of the following is not present in bagasse fibre? (A) Cellulose (B) Lignin (C) Pentogens (D) None of these

Last Answer : (D) None of these

Description : Which one of the following is commonly used for pulp bleaching in the paper industry? (1) Mild sulphuric acid (2) Glucose isomerase (3) Hydrogen peroxide (4) Iodine and water

Last Answer : (3) Hydrogen peroxide Explanation: Bleaching of wood pulp is the chemical processing carried out to decrease the color of the pulp, so that it becomes whiter. Alkaline hydrogen ... responsible for absorbing visible light. The decomposition of hydrogen peroxide is catalyzed by transition metals.

Description : Which one of the following is commonly used for pulp bleaching in the paper industry? (1) Mild sulphuric acid (2) Glucose isomerase (3) Hydrogen peroxide (4) Iodine and water

Last Answer :  Hydrogen peroxide

Description : In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of (A) Cross linked polystyrene (B) Phenol formaldehyde resins (C) Polyesters (D) Polyamides

Last Answer : (A) Cross linked polystyrene

Description : The rate controlling step in the manufacture of silicone rubber is the (A) Polymer termination step (B) Condensation of siloxane to silicone (C) Initial hydrolysis of silicone monomer (D) None of these

Last Answer : (C) Initial hydrolysis of silicone monomer

Description : In the manufacture of H3 PO4 (ortho); strong H2 SO4 leaching wet process as compared to electric furnace process (A) Uses lower grade phosphate rock (B) Requires lower capital investment in the plant (C) Produces lower purity acid (D) Is very costly

Last Answer : (C) Produces lower purity acid

Description : Electric process as compared to wet process (for the manufacture of phosphoric acid) (A) Can use only high grade phosphate rock (B) Is used less frequently (C) Produces a valuable by-product called gypsum (D) Is weak acid process

Last Answer : (B) Is used less frequently

Description : Pick out the wrong statement pertaining to nitric acid. (A) About 90% of nitric acid is manufactured by Ostwald's process (B) It is a strong mono basic acid which reacts with almost all the ... (mainly NO2 ) (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

Last Answer : (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process

Description : Mercury cells for caustic soda manufacture, compared to diaphragm cells (A) Require lower initial investment (B) Require more power (C) Produce lower concentration NaOH (D) None of these

Last Answer : (D) None of these

Description : In the manufacture of H2SO4 , vanadium catalyst as compared to platinum catalyst (A) Gives higher conversion efficiency (B) Has a longer life and is not poisoned by arsenic (C) Handles lower SO2 content gas (7 -10% SO2 ), thus increasing the capital cost of the plant (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Description : What is the 2nd step of digestion ?

Last Answer : 2nd stage of digestion chemical reaction.

Description : The intitial step in digestion of milk in infant is carreid out by

Last Answer : The intitial step in digestion of milk in infant is carreid out by A. Lipase B. Trypsin C. Rennin D. Papsin

Description : The intitial step in digestion of milk in infant is carreid out by

Last Answer : The intitial step in digestion of milk in infant is carreid out by A. Lipase B. Trypsin C. Rennin D. Pepsin

Description : After digestion the next step is absorption done by cells of the mucous membrane of the intestine. For this task a large absorption surface is an advantage. How is it possible in the small internal space of the body of a pluricellular organism to present a large intestinal surface?

Last Answer : Evolution tried to solve this problem in two ways. The simplest is the long and tubular shape of the bowels (approximately eight meters in extension), making possible that numerous ... function of increasing the absorption surface too. Digestion System - Image Diversity: intestinal villi microvilli

Description : The initial step in the digestion of milk in humans is carried out by (a) lipase (b) trypsin (c) rennin (d) pepsin.

Last Answer : (c) rennin

Description : What do you understand by the bagasse? -SST 10th

Last Answer : Rejected cane after crushing is used for the manufacture of paper, cardboard and insulation board.

Description : Bagasse, a by-product of sugar manufacturing industry, is used for the production of which thing? -Do You Know?

Last Answer : answer:

Description : The residue left after extracting juice from sugar beet and sugarcane is called – (1) molasses (2) bagasse (3) whey (4) biomass

Last Answer : (2) bagasse Explanation: Bagasse is the fibrous matter that remains after sugarcane or sorghum stalks are crushed to extract their juice. It is currently used as a biofuel and in the manufacture of ... , the quantity of production in each country is in line with the quantity of sugarcane produced.

Description : A type of cardboard prepared by using bagasse as raw material is

Last Answer : celotex.

Description : Bagasse is used as a raw material to prepare cardboard known as

Last Answer : celotex.

Description : Bagasse is used as a raw material to prepare

Last Answer : cardboard.

Description : What is bagasse?

Last Answer : Bagasse is the cellulose material of the sugarcane residue.

Description : Bagasse is used in the manufacturing of

Last Answer : Paper

Description : The residue left after extracting juice from sugarbeet and sugarcane is called (1) molasses (2) bagasse (3) whey (4) biomass

Last Answer : bagasse

Description : In the Kraft (sulphate) process for the paper manufacture, the digestor is made of (A) Cast iron (B) Stainless steel (C) Karbate carbon (D) Wrought iron

Last Answer : (B) Stainless steel

Description : In the Kraft process of sulphate paper pulp manufacture, the black liquor and the white liquor storage tank is made of (A) Concrete (B) Wood (C) Steel (D) Porcelain

Last Answer : (C) Steel

Description : Black liquor generated during paper manufacture is concentrated in a (A) Single effect evaporator (B) Single effect evaporator followed by a crystalliser (C) Multiple effect evaporator (D) Multiple effect evaporators followed by a crystalliser

Last Answer : (C) Multiple effect evaporator

Description : Multiple effect evaporators are commonly used in the manufacture of P. Paper Q. Superphosphate R. Sugar S. Fats (A) P and Q (B) P and R (C) P and S (D) R and S

Last Answer : (C) P and S

Description : Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre. (A) Cutting (B) Fibrillation (C) Hydration (D) Strengthening

Last Answer : (D) Strengthening