Q1 A sugar commonly used for fermentation in wine brew is
Q2 For an echo to form properly the distance between the source of
sound and the reflection should be at least (how many metres)
Q3 What charge is on the metal being used to plate an item?
Q4 In elecroplating the item to be plated is located at the
Q5 What is another name for electroplating?
Q6 The chemical formula for fuming sulphuric acid is
Q7 The process of twisting threads together into cloth is called
Q8 is a production method where the yarns are spread into thin tapes and then the tapes are woven as warp and weft.
Q9 Interlacing loops of yarn is reffered to as
Q10 is used to increase the shines of certain fabrics
Q11 The first oil well wad drilled in the year
Q12 Wool is made from
Q13 What is the first processing unit in petroleum refinery?
Q14 All clothes that we wear are made from plants. TRUE/FALSE
Q15 Basalt fibre can be used for vinyl tiles. TRUE/FALSE
Q16 Textiles can be made from animals. TRUE/FALSE
Q17 fibre is used in all types of clothing.
Q18 Paint is useful for identification. TRUE/FALSE
Q19 is apolylactide blended with other fibres such as cotton and used in clothing.
Q20 Resin is a raw material used for the production of paint. TRUE/FALSE
Q21 The dimensions of reverb for metal ores is , , (lenghth, breadth hight)
Q22 The age of lead casting in Turkey dated back to
Q23 provide a molten cover on the purified metal
Q24
is a catalytic, higher-pressure process that converts a wide range of
hydrocarbons to lighter, cleaner and more valuable products
Q25 A common ore of copper is primarily
Q26 was the man who drilled the first oil well.
Q27 The ratio of speed of light in the air to that of speed of light in a medium is called
Q28 A mixture sand, cement and gravel with water is called
Q29 A room completely designed to completely absorb reflections of either sound or electromagnetic waves is called
Q30 The first application of modern scientific methods to architectural acoustic was carried out by
Q31 Optical fibres are more expensive than copper wires. TRUE/FALSE
Q32 An explosive was released 218m from a hill. If the operator heard
the echo of the explosive after 2seconds. Calculatethe velocity of the
sound
Q33 Echo is anormal phenomenon of every situation. TRUE/FALSE
Q34 For a clear echo the original sound should be of short duration. TRUE/FALSE
Q35 The reflection of sound from a large obstacle is called
Q36 A disadvantage of electroplating is toxicity and corrosiveness. TRUE/FALSE
Q37 is the application of electrolytic cells in which a thin layer of metals is deposited onto an electrically conductive surface
Q38 Another name for fuming sulphuric acid is
Q39 In the production of sulphuri acid, Le Chatelier's Principle demands that increasing the concentration of in the mixture causes the position of equilibrum to shift towards the right
Q40 Balance the equation below by writing the values of a, b and c: 4FeSO2+aO2------> bFe2O3 + cSO2 , ,
Q41 Sulphuric Acidcan be manufactured through process
Q42 In the forward reactionthe production of ammonia is reaction
Q43 The reaction between nitrogen and hydrogen is represented as N2(g)
+xH2(g) <=====> yNH3(g). The values of x and y under equilibrium
condition are __ and
Q44 what is the length of a reverb of a metal ore?
Q45 is an example of animal textile
Q46 refers to the reduction in amplitude and intensity of wave
Q47 is the number of oscillation per seconds of the particle in the medium responding to the wave passing through it
Q48 An instrument used to measure the depth of water is
Q49 Monosodium glutamate and sulphur dioxide are preservatives. TRUE/FALSE
Q50
is the passage of water molecule from their region of their higher
concentration to a region of their lower concentration through a
partially permeable membrane.
Q51 What is the average percentage of ethanoic acid present in Vinegar
Q52 Processing of food can incease its nutritional density. TRUE/FALSE
Q53 What does WHO stands for?
Q54 What is the full meaning of FAO
Q55 Fresh materials such as fresh produce and raw meats are more likely to harbour pathogenic micro-organisms
Q56 Food processing can increase the incidence of food borne disease
Q57 Advantage of food processing is that it increases food supply. TRUE/FALSE
Q58 There is a fertilizer called NPK. What does this represent? _, ,
Q59 The first cement manufactured in the USA was produced by of Coplay
Q60 The brand of Portland cement was patented by
Q61 _________ is used to speed up reactions
Q62 The interpretationof the persistance of sound after a sound is produced is known as _____
Q63 What is the critical angle for the incidence in glass
Q64 The following are the conditions for formation except of echo
Q65 In an isosceles prism what is the value of incidence in the denser medium?
Q66 what is the speed of sound
Q67 Optical fibre are used for _______
Q68 where is the item to be plated located in an electolitic cell
Q69 The following are the protective coating resins except
Q70 The following are the hazards of electroplating except
Q71 What is used in treating sewage and detection of pollution
Q72 what kind of coating increases a metal's resistance to wear
Q73 Which of the following metals occurs regularly in nature forrm
Q74 What kind of metal should be used as the anode in jewelry and table ware making
Q75 What is the technicque involved of light or sent
down a thin glass rod and the total reflection traps the light inside
the rod
Q76 which of the acid can be used for treatments of metals as well as elecrolytes in heavy duty vehicles
Q77 __________ is used to make pig iron
Q78 which of these process make use of sulpur dioxide
Q79 What process involves roasting, reduction flance
Q80 Whivh of the following will you manufacture through contact process?
Q81 What process drives out the unwanted carbon or sulphur
Q82 In what ratio of volume is nitogen to hydogen required in Haber process
Q83 The following are examples of foods preserved through chemicals except
Q84 which of these is the right order in Haber
process I Recovery of Amonnia II supply and purification of the gas III
compression of the gases and convertion into ammonia
Q85 Paint provides the following axcept
Q86 Which of these is/are chemical processes? I contact process II Bayer process III Ostwald process
Q87 Texiles are formed by the followwing except
Q88 The length of a reverb of metal ore is __
Q89 The height of a reverb metal ore is
Q90 Paint can be used for I) Decoration II) Coatings III)Sanitation
Q91 Textiles can be used for I) flag II)backpacks III) tents
Q92 Animal textiles are made from: I)fur II) hair III) silk
Q93 In the industrial manufacture of fertilizer,
which of these processes are involved? I. Haber process. II) Bayer
process III) Contact process
Q94 Kerosine is ____ distillate of petroleum product
Q95 Sugar confectionery items include the following axcept
Q96 _______ foods are suited for long distance transportation
Q97 The following are the benefits of food processes axcept
Q98 What method was used to preserve food in place of salting
Q99 In pottassium fertilzers component _______ is supplied to fertilizer manufacturers
Q100 The process involved in manufacturing of fertilizers are the following except
Q101 The following are examples of secondary nutrients
Q102 ________ is used to improve plant growth and yeild
Q103 What process is involved in a non hydraulic cement
Q104 What process is used when clay are marl are included in cement production
Q105 _______ as used to blast rocks from underground
Q106 The following are cement production process except
Q107 What name is given to a cement paste mixed with sand and gravel
Q108 _______ is used to smooth a surface of the wall
Q109 The following are end product of light distillation except
Q110 Which of the following facilities convrfts natural gas into hydro crackers
Q111 The frist processing unit in all petroluem refineris is
Q112 The following are the process used in refinery except
Q113 Mordern petroleum refineries produces _______ to ________ barrel of oil per day
Q114 What process is used in transforming crude oil into useful product
Q115 Fibers made from plants stalk, hem, flanc are refered to as
Q116 Animal textiles are commonly made from the following except
Q117 Fibers made from stands thinner than one denier is
Q118 Textiles used for industrial purpose are refered to as
Q119 The following are the uses of textiles in the household except
Q120 Textiles are made from the following materials except