Chemical Process Industries

Question 1

Chlorine, Caustic Soda, Soda Ash

Answer 1

Chlor-Alkali Industries

Question 2

Following electrochemistry

Answer 2

Electrolytical Industry

Question 2

Following electrochemistry

Answer 2

Electrolytical Industry

Question 3

industry that has all unit processes

Answer 3

Sugar Industry

Question 4

Scraper in rotary dryer

Answer 4

Doctor Blade

Question 5

folding machine in pulp and paper industry

Answer 5

Fourdrinier machine

Question 6

20% solid from net web of paper

Answer 6

Forming

Question 7

40% solid

Answer 7

Pressing

Question 8

90% solids (remaining water evaporated in steam heated cylinder)

Answer 8

Drying

Question 9

smoothening of paper

Answer 9

calendring

Question 10

industry that mostly uses furnaces and size reduction

Answer 10

cement, lime, plaster

Question 11

uses furnace and more on drying process

Answer 11

ceramics

Question 12

uses air with mold

Answer 12

blowing

Question 13

forming a sheet of glass to a curing liquid

Answer 13

floating

Question 14

shards of glass added to the plasma for glass production

Answer 14

cullet

Question 15

has very cheap raw materials that uses cryogenic principles

Answer 15

industrial gases

Question 16

backbone of fats and oils

Answer 16

glycerin

Question 17

when triglycerides are detached to the glycerine

Answer 17

rancidity

Question 18

free triglycerides

Answer 18

free fatty acids

Question 19

amount of KOH/1g of fat

Answer 19

Saponification Value

Question 20

pigment + solvent + ___

Answer 20

vehicle`

Question 21

in the contact process, SO3 is absorbed in 97% H2SO4 and not in water because

Answer 21

water forms an acid mist which is difficult to absorb

Question 22

Oxygen is produced by fraction of air using

Answer 22

both linde’s and claude’s process

Question 23

fat splitting catalyst is

Answer 23

ZnO

Question 24

builders are added in soap to

Answer 24

boost cleaning powder

Question 25

which of the following is a detergent

Answer 25

alkyl benzene sulfonate

Question 26

yellow glycerin is made into white, using

Answer 26

activated carbon

Question 27

oil is

Answer 27

a mixture of glycerides and fatty acids

Question 28

wax is

Answer 28

a mixture of esters of polyhydric alcohols except glycerin

Question 29

solvent used for the extraction of oil is

Answer 29

methyl ethyl ketone

Question 30

cement mainly contains

Answer 30

Cao, SiO2, Al2O3

Question 31

economics of ‘Solvay Process’ depends upon the efficiency of

Answer 31

ammonia, limestone, and coke

Question 32

gypsum is

Answer 32

calcium sulfate

Question 33

glauber’s salt

Answer 33

sodium sulfate decahydrate

Question 34

contact process

Answer 34

yields acid of higher concentration than chamber process

Question 35

Producer gas consists mainly of

Answer 35

CO, CO2, N2, H2

Question 36

permanent hardness of water is due to the presence of calcium and magnesium

Answer 36

sulfates and chlorides

Question 37

widely used method for conditioning of boiler feed water is

Answer 37

coagulation

Question 38

hydrazine is largely used

Answer 38

as rocket fuel

Question 39

trinitro-toluene is

Answer 39

an explosive

Question 40

metallic soap is

Answer 40

aluminum or calcium salt of fatty acids

Question 41

free alkali in toilet soap is

Answer 41

less than that in a laundry soap

Question 42

bio-degradable detergents

Answer 42

can readily be oxidized

Question 43

essential oils are usually obtained using

Answer 43

steam distillation

Question 44

plasticizers are added to paints to

Answer 44

give elasticity and prevent cracking of the film

Question 45

which oil is preferred for paint manufacture

Answer 45

drying oil

Question 46

function of a thinner in a paint is to

Answer 46

suspend pigments and dissolve film forming materials

Question 47

varnish does not contain

Answer 47

pigment

Question 48

enamels

Answer 48

give a glossy finish

Question 49

manufacture of paper from pulp employing foudrinier machine

Answer 49

kraft process