Description : Furnace oil consumption in a furnace for a given duty employing preheated combination air (at 300°) may be reduced by about __________ percent as compared to the use of atmospheric combustion air. (A) 5 (B) 10 (C) 20 (D) 35
Last Answer : (C) 20
Description : 'Utilities' in a chemical process plant includes compressed air, steam, water, electrical power, oxygen, acetylene, fuel gases etc. Utility costs for ordinary chemical process plants ranges roughly from __________ percent of the total product ... 1 to 5 (B) 10 to 20 (C) 25 to 35 (D) 35 to 45
Last Answer : (B) 10 to 20
Description : Equipment installation cost in a chemical process plant ranges from __________ percent of the purchased equipment cost. (A) 10 to 20 (B) 35 to 45 (C) 55 to 65 (D) 70 to 80
Last Answer : (B) 35 to 45
Description : A typical yield of diesel in straight run distillation of crude oil may be about __________ percent. (A) 8 (B) 18 (C) 28 (D) 35
Last Answer : (A) 8
Description : High speed cutting tool steels contain about __________ percent of tungsten. (A) 6-8 (B) 18-20 (C) 30-35 (D) 50-55
Last Answer : (B) 18-20
Description : Abrasion index of blast furnace coke should be around __________ percent. (A) 20 (B) 35 (C) 55 (D) 80
Last Answer : (D) 80
Description : P2O5 content in superphosphate is about __________ percent. (A) 30-35 (B) 15-20 (C) 65-70 (D) 85-90
Last Answer : (B) 15-20
Description : The yield of straight run LPG from crude oil is about __________ weight percent. (A) 20-25 (B) 1-1.5 (C) 10-15 (D) 0.1-0.2
Last Answer : (B) 1-1.5
Description : Paper grade bamboo contains about __________ percent cellulose. (A) 5 (B) 20 (C) 40 (D) 60
Last Answer : (A) 5
Description : Average human body contains about __________ percent water by weight. (A) 20 (B) 40 (C) 70 (D) 85
Last Answer : (C) 70
Description : Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. (A) 0.02 (B) 0.2 (C) 0.35 (D) 0.5
Last Answer : (B) 0.2
Description : When the amount of chocolate liquor is greater than ____ percent, the product is bittersweet chocolate. a. 10 c. 20 b. 15 d. 35
Last Answer : d. 35
Description : Indian monazite sand contains __________ percent thorium. (A) 10 (B) 25 (C) 60 (D) 90
Last Answer : (A) 10
Description : In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill. (A) 35 (B) 50 (C) 70 (D) 85
Last Answer : (B) 50
Description : Carbon content in plain carbon steel is __________ percent. (A) 0.1 to 0.15 (B) 0.35 to 0.45 (C) 0.65 to 0.80 (D) 0.85 to 1.2
Last Answer : (B) 0.35 to 0.45
Description : Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent. (A) 15 to 25 (B) 35 to 45 (C) 55 to 75 (D) 75
Description : Average sulphur content in Indian pyrites is about __________ percent. (A) 15 (B) 35 (C) 55 (D) 70
Last Answer : (B) 35
Description : Relative cost of chemical process plants in India is about __________ percent more than the similar plants in U.S.A. (A) 15 (B) 35 (C) 55 (D) 75
Description : . Thermal efficiency of an internal combustion engine is around __________ percent. (A) 8 (B) 35 (C) 65 (D) 80
Last Answer : Option B
Description : Thermal efficiency of an internal combustion engine is around __________ percent. (A) 8 (B) 35 (C) 65
Description : Water content in the crude oil as it comes out of oil well may be upto __________ percent. (A) 2 (B) 5 (C) 10 (D) 25
Last Answer : (D) 25
Description : A typical yield of kerosene in straight run distillation of crude oil may be about __________ percent. (A) 4 (B) 10 (C) 18 (D) 26
Last Answer : (B) 10
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 : The human brain uses----- percent of the total oxygen and blood in the body? A. 20 (Answer) B. 12 C. 35 D. 48
Last Answer : A. 20 (Answer)
Description : Percent reduction in yield in case of onion due to weeds is a). 20-30 b). 30-35 c). 60-70 d).15-20
Last Answer : c). 60-70
Description : The DRVs for the energy-producing nutrients are calculated as fat based on ____ percent of calories. a. 30 c. 25 b. 20 d. 35
Last Answer : a. 30
Description : Crushing efficiency of a machine ranges between __________ percent. (A) 0.1 to 2 (B) 5 to 10 (C) 20 to 25
Last Answer : (A) 0.1 to 2
Description : Sugar content in sugarcane on cane basis is about __________ percent by weight. (A) 1 to 5 (B) 5 to 10 (C) 15 to 20 (D) 20 to 30
Last Answer : (B) 5 to 10
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 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 : Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel). (A) 0.03 (B) 3 (C) 35 (D) 70
Last Answer : (B) 3
Description : Cellulose content in bamboo fibre is about __________ percent. (A) 10 (B) 20 (C) 50 (D) 85
Last Answer : (C) 50
Description : The optimum moisture content in solids to be crushed/ground ranges from __________ percent. (A) 3 to 4 (B) 8 to 10 (C) 10 to 15 (D) 15 to 20
Last Answer : (A) 3 to 4
Description : Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively __________ percent. (A) 3 & 10 (B) 10 & 3 (C) 10 & 20 (D) 15 & 8
Last Answer : (B) 10 & 3
Description : Ringelmann chart No. 2 corresponds to __________ percent black smoke. (A) 10 (B) 20 (C) 40 (D) 80
Last Answer : (C) 40
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 : If the interest rate of 10% per period is compounded half yearly, the actual annual return on the principal will be __________ percent. (A) 10 (B) 20 (C) > 20 (D) < 20
Last Answer : (C) > 20
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 : 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 : 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
Description : A bag contains an equal number of one rupee, 50 paise and 25 paise coins. If the total amount in the bag is Rs. 35, how many coins of each type are there ? (A) 15 (B) 18 (C) 20 (D) 25
Last Answer : Answer: C
Description : American consumers use approximately ____ percent of the total world catch of fish and shellfish. a. 14 c. 20 b. 3 d. 8
Last Answer : d. 8
Description : Under Sprinkler Irrigation what is the Land Saving Percent? [a] 5-11% [b] 10-16% [c] 17-22% [d] 23-30% [e] 35-42%
Last Answer : [b] 10-16%
Description : The heat exhaust of an automobile with an internal combustion engine represents approximately what percent of the energy of the original fuel? w) 10 % x) 50 % y) 35 % z) 5 %
Last Answer : ANSWER: Y -- 35 %
Description : In a typical power plant used to generate electricity in the U.S., the percentage of energy in the fuel that is converted to electricity is about: w) 99 percent x) 50 percent y) 35 percent z) 10 percent
Last Answer : ANSWER: Y -- 35 PERCENT