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 : Cellulose content in bamboo fibre is about __________ percent. (A) 10 (B) 20 (C) 50 (D) 85
Last Answer : (C) 50
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 : On a test consisting of 500 questions, Dhivya answered 80% of the first 250 questions correctly. What percent of the other 250 questions does she need to answer correctly for her grade on the entire exam to be 60% ? a) 20 b) 60 c) 45 d) 80 e) 40
Last Answer : Answer: E 60% of 500 = 300 80% of 250 = 200 No. of correct answers in remaining 250 questions = 300 – 200 = 100 Percentage = 100 x 100/ 250 = 40%
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 percentage in bamboo fibre is about (A) 10 (B) 20 (C) 50 (D) 85
Description : Cost of instrumentation in a modern chemical plant ranges from __________ percent of the total plant cost. (A) 5 to 10 (B) 20 to 30 (C) 40 to 50 (D) 60 to 70
Last Answer : (B) 20 to 30
Description : Thermal efficiency of blast furnace stoves used for heating blast (air) may be about __________ percent. (A) 20 (B) 40 (C) 60 (D) 80
Last Answer : (D) 80
Description : Purchased cost of equipments for a chemical process plant ranges from __________ percent of the fixed capital investment. (A) 10 to 20 (B) 20 to 40 (C) 45 to 60 (D) 65 to 75
Last Answer : (B) 20 to 40
Description : Iron content in Indian iron ore is about __________ percent. (A) 80-85 (B) 60-65 (C) 40-45 (D) 20-25
Last Answer : (B) 60-65
Description : Average human body contains about __________ percent water by weight. (A) 20 (B) 40 (C) 70 (D) 85
Last Answer : (C) 70
Description : An upper limit of oil content is limited to about __________ percent for achieving efficient and satisfactory level of wax sweating. (A) 5 (B) 15 (C) 40 (D) 60
Last Answer : (C) 40
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 : Indian monazite sand contains __________ percent thorium. (A) 10 (B) 25 (C) 60 (D) 90
Last Answer : (A) 10
Description : Yield of elemental phosphorous from rock phosphate is about __________ percent. (A) 1-2 (B) 15-25 (C) 40-45 (D) 60-65
Last Answer : (B) 15-25
Description : The ideal pulp for the manufacture of paper should have high __________ content. (A) Cellulose (B) Lignin (C) Both (A) & (B) (D) None of these
Last Answer : (A) Cellulose
Description : The percent of total iron in body in hemoglobin is (A) 10–20 (B) 20–30 (C) 30–40 (D) 60–70
Last Answer : Answer : D
Description : Fish contains about __________ percent oil. (A) 5 (B) 10 (C) 20 (D) 35
Last Answer : (C) 20
Description : . Sucrose content in the raw juice extracted from sugar cane is about __________ percent (B) 15 - 20 (A) 1 - 2285 (C) 50 - 60 (D) 80 - 85
Last Answer : (B) 15 - 20
Description : The ratio of working capital to total capital investment for most chemical plants (except for non-seasonal based products) is in the range of __________ percent. (A) 0.1 to 1 (B) 1 to 2 (C) 10 to 20 (D) 50 to 60
Last Answer : (C) 10 to 20
Description : Thermal efficiency of a limestone calcination rotary kiln may be around __________ percent. (A) 20 (B) 40 (C) 65 (D) 80
Last Answer : (B) 40
Description : Oxygen content in a flue gas was found to be 4%. It implies that excess air used for combustion was around __________ percent. (A) 4 (B) 96 (C) 20 (D) 40
Description : Ringelmann chart No. 2 corresponds to __________ percent black smoke. (A) 10 (B) 20 (C) 40 (D) 80
Description : Alcohol content in freshly prepared natural and fortified wine may be respectively around __________ percent. (A) 7-14 and 14-30 (B) 7-14 and 40-50 (C) 14 - 30 and 40-50 (D) 10 - 20 and 40 - 50
Last Answer : (A) 7-14 and 14-30
Description : Purity of electrical grade aluminium should be ≥ __________ percent. (A) 95 (B) 99.5 (C) 85 (D) 90
Last Answer : (B) 99.5
Description : Combustion of furnace oil in a furnace (soaking pit) with preheated combustion air at 400°C results in saving of about __________ percentfurnace oil as compared to its combustion with atmospheric air, if the flue gas outlet temperature from the soaking pit is 1200°C. (A) 5 (B) 60 (C) 20 (D) 40
Description : Trommels are revolving screens which normally operate in the range of __________ rpm. (A) 1 - 2 (B) 15 - 20 (C) 40 - 50 (D) 60 - 75
Description : Three materials A, B and C of equal thickness and of thermal conductivity of 20, 40 & 60 kcal/hr. m. °C respectively are joined together. The temperature outside of A and C are 30°C and 100°C respectively. The interface ... C will be at a temperature of __________ °C. (A) 40 (B) 95 (C) 70 (D) 50
Description : Which of the following represents hardest grade of bitumen? (A) 30/40 (B) 60/70 (C) 80/100 (D) 100/120
Last Answer : Answer: Option A
Description : The ultimate average anchorage bond stress for plain bars in tension is _______ if the grade of concrete is M20 [ A ] 1.60 N/mm2 [ B ] 1.92 N/mm2 [ C ] 2.24 N/mm2 [ D ] 2.40 N/mm2
Last Answer : [ B ] 1.92 N/mm2
Description : A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. mxylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture? (A) The mixture exhibits ... : o-xylene 30, p-xylene 60 and m-xyoene 10 (D) The mixture contain optical isomers
Last Answer : (A) The mixture exhibits an azeotrope at 101.3 kPa
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 : 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
Last Answer : (A) Depithing
Description : The Minimum amount of steel for Main reinforcement in slab should be (Fe 415- grade of steel) [ A ] 0.12 percent of gross cross sectional area [ B ] 0.15 percent of gross cross sectional area [ C ] 0.20 percent of gross cross sectional area [ D ] 0.25 percent of gross cross sectional area.
Last Answer : [ A ] 0.12 percent of gross cross sectional area
Description : why........Emily's family loves to work together in the garden. They have a slight preference for flowers, as 60, percent of their plants are flowers and 40, percent are vegetables. They have 50 plants growing in the garden.?
Last Answer : If you are asking how many of their plants are flowers and how many are vegetables I believe the answer is 30 flowers and 20 vegetables.50 (total number of plants) * 60% (percentage that are flowers) = 30 flowers50 (total number of plants) * 40% (percentage that are vegetables) = 20 vegetables
Description : A seller mixes 52 kg of ragi at Rs. 40 per kg with 60 kg of ragi of other variety at Rs.72per kg and sells the mixture at Rs.60 per kg. His profit percent is:
Last Answer : C.P. of 112 kg rice = Rs. (52x 40 + 60 x 72) = Rs. (2080+4320) = Rs. 6400. S.P. of 112 kg rice = Rs. (112 x 60) = Rs. 6720 Gain=320 Gain %= 320*100/6400 Gain %=5
Description : In a plot of 18000 sq. m., only 13500 sq. m. is allowed for construction. What percent of the plot is to be left without construction? a) 25 b) 60 c) 45 d) 40 e) 98
Last Answer : Answer: A Percentage of plot allowed for construction = (13500/18000 × 100) = 75 %. Thus, the percentage of plot to be left without construction = 100 % - 75 % = 25 %.
Description : Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. (A) 1.5-2 (B) 3.5-4.5 (C) 7-9 (D) 12-14
Last Answer : (D) 12-14
Description : High carbon steel contains more than __________ percent carbon. (A) 0.5 (B) 2.2 (C) 2.5 (D) 2.8
Last Answer : (A) 0.5
Description : Pure rectified spirit contains about __________ percent alcohol. (A) 45 (B) 70 (C) 95 (D) 99.5
Last Answer : (C) 95
Description : Natural water contains approximately __________ percent of heavy water. (A) 0.015 (B) 0.71 (C) 1.2 (D) 3.5
Last Answer : A) 0.015
Description : Cast iron contains __________ percent carbon. (A) 2.5 (B) 3.75 (C) 4.75 (D) 5.25
Last Answer : Option A
Description : A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The ... will be (A) 20 kg/tonne (B) 30 kg/tonne (C) 40 kg/tonne (D) 50 kg/tonne
Last Answer : (C) 40 kg/tonne
Description : Grinding efficiency of a ball mill is of the order of __________ percent. (A) 1-5 (B) 40-50 (C) 75-80 (D) 90-95
Last Answer : (A) 1-5
Description : Shatter index of metallurgical coke on 2 inches and 0.5 inch screen should be respectively around __________ percent. (A) 80 and 97 (B) 95 and 100 (C) 40 and 70 (D) 25 and 97
Last Answer : (A) 80 and 97
Description : The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about __________ percent. (A) 60 (B) 30 (C) 95 (D) 100
Last Answer : (A) 60
Description : Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235. (A) 1 (B) 2 (C) 3 (D) 7
Last Answer : (C) 3
Description : The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. (A) 0.2 (B) 2 (C) 4 (D) 8
Last Answer : (C) 4
Description : Photographic plates are covered with black paper because (a) the cellulose acetate of the paper must remain fresh (b) sunlight is easily absorbed by black paper and it helps develop the film ... paper prevents contact with light (d) the conversion of silver bromide to metallic silver is essential
Last Answer : Ans:(c)