It was found that 44 kg of oil could be extracted from 100 kg of copra...
It was found that 44 kg of oil could be extracted from 100 kg of copra containing 30% water. If the same copra is dried to 3.5% moisture, calculate the kilograms of dried copra that will give 2000 kg of oil.
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It was found that 44 kg of oil could be extracted from 100 kg of
copra...
What is the maximum mass of pure tungsten that could be extracted from 6.5 kg of...
What is the maximum mass of pure tungsten that could be extracted from 6.5 kg of hubnerite, a tungsten ore with the chemical formula MnWOL? Be sure your answer has a unit symbol, if necessary, and is rounded to 2 significant digits. x 6 ?
4. In the production of soybean oil, beans containing 18.0 wt% oil and 82.0 wt% solids...
4. In the production of soybean oil, beans containing 18.0 wt% oil and 82.0 wt% solids are ground and fed to a stirred tank (also called an extractor), along with a stream of liquid n containing recycled hexane and fresh hexane. The feed ratio is 4.2 kg hexane/kg beans. ground beans are suspended in the liquid, and essentially all of the oil in the beans is ex into the hexane. The stream exiting the extractor (also called the effluent) passes...
56. Fresh air is introduced into a room at such a rate that the air in...
56. Fresh air is introduced into a room at such a rate that the air in the room is changed every 5 minutes. The room is 30 by 30 by 10 ft and the air in the room is at 70 °F with a percentage humidity of 60. Outside air at a temperature of 60 °F is used as air supply. The outside air is heated to the room temperature by a heat exchanger. How many BtU per hour must...
Consider an oil of density p 800 kg/m3, viscosity u 0.01 Pa.s (10 times the viscosity of water), ...
Consider an oil of density p 800 kg/m3, viscosity u 0.01 Pa.s (10 times the viscosity of water), heat capacity of Cp 2 k]/(kg K) and thermal conductivity of Koll -0.15 W/(mk). This oil flows at mass flowrate of 30 kg/minute through a copper pipe of d- 2 cm inner diameter, with wall thickness of t-1 mm. At the relevant conditions, copper has thermal conductivity of ke 400 W/(m.K). The copper pipe loses heat to the surroundings of Tsurr 20°C...
Question 1 (5 Points) Determining the dispersed oil content in the effluent water from a CPI plat...
Question 1 (5 Points) Determining the dispersed oil content in the effluent water from a CPI plate separator Given: water flow rate25,000 bbl/day 125°F, Feed water specific gravity 1.06 125°F, Feed water viscosity Dispersed oil concentration 650 mg/l, Dissolved oil concentration= 10 mg/l. Total oil & grease -0.65 cp @125°F =660 mg/l. The dispersed oil droplet size distribution in feed water is as follows: 40-60 60-80 80-100 100-120 120 100% Microns <40 Vol. % 914 30 35 10 A vendor...
Daily oil production in Mexico and daily U.S. oil imports from Mexico during 2005-2009 could be approximated by P(t) 3.9 - 0.10t million barrels (5 <t<9) (t) - 2.1 0.11t million barrels (5s ts...
Daily oil production in Mexico and daily U.S. oil imports from Mexico during 2005-2009 could be approximated by P(t) 3.9 - 0.10t million barrels (5 <t<9) (t) - 2.1 0.11t million barrels (5s ts 9), where tis time in years since the start of 2000 3.5 Production 2.5 Imports 1.5 .5 5 5.5 6 6.5 77.5 8 8.5 9 (a) What are represented by the functions P) - () and Kt/P(t)? Pro-K) represents the daily production of oil in Mexico...
1. Engine oil (c-2100 J/kg- C) is to be heated from 20 °C to 60 °C...
1. Engine oil (c-2100 J/kg- C) is to be heated from 20 °C to 60 °C at a rate of 0.3 kg/s in a 2-cm diameter thin-walled copper tube by condensing steam outside at a temperature of 130 °C (hfs 2174 kJ/kg) a. For an overall heat transfer coefficient of 650 W/m2-°C, determine the rate of heat transfer and the length of tube required to achieve it. Determine also the rate of steam condensation, in kgsteam/sec. (Ans: 25.2 kW; 7.0...
A 100 kg man stands up in a 50-kg boat of length 5m. He walks from...
A 100 kg man stands up in a 50-kg boat of length 5m. He walks from a point 2 m from the right end to a point 1 m from the left end. If resistance to motion of the boat in the water can be neglected, how far does the boat move during the process? Please give steps!
Please could you answer ALL sub-questions 70 kg/h of a concentrate from an evaporation system containing...
Please could you answer ALL
sub-questions
70 kg/h of a concentrate from an evaporation system containing 55 wt.% CaCl2 at 90 °C and 101 kPa enters a continuous crystallizer. The saturated crystals of CaCl2. H20 leave at 10 °C. At 10 °C the solution contains 12.5 kg CaCl2/100 kg H20 and during the cooling 2% of the water entering the crystallizer is lost by evaporation. Additional information: 1. Atomic mass Ca = 40 g/mol, Cl = 35.5 g/mol, O =...
An oil engine develops 300 kW and the specific fuel consumption is 0.21 kg/kWh. The exhaust...
An oil engine develops 300 kW and the specific fuel consumption is 0.21 kg/kWh. The exhaust from the engine is used in a tubular water heater, flowing through 25 mm diameter tubes, entering with a velocity of 12 m/s, at 340 °C and leaving at 90 °C. The water enters the heater at 10 °C and leaves at 90 °C, flowing in counter-flow to the hot gases. The air-fuel ratio of the engine is 20, and the exhaust pressure is...
What is the maximum mass of pure tungsten that could be extracted from 6.5 kg of hubnerite, a tungsten ore with the chemical formula MnWOL? Be sure your answer has a unit symbol, if necessary, and is rounded to 2 significant digits. x 6 ?
4. In the production of soybean oil, beans containing 18.0 wt% oil and 82.0 wt% solids are ground and fed to a stirred tank (also called an extractor), along with a stream of liquid n containing recycled hexane and fresh hexane. The feed ratio is 4.2 kg hexane/kg beans. ground beans are suspended in the liquid, and essentially all of the oil in the beans is ex into the hexane. The stream exiting the extractor (also called the effluent) passes...
56. Fresh air is introduced into a room at such a rate that the air in the room is changed every 5 minutes. The room is 30 by 30 by 10 ft and the air in the room is at 70 °F with a percentage humidity of 60. Outside air at a temperature of 60 °F is used as air supply. The outside air is heated to the room temperature by a heat exchanger. How many BtU per hour must...
Consider an oil of density p 800 kg/m3, viscosity u 0.01 Pa.s (10 times the viscosity of water), heat capacity of Cp 2 k]/(kg K) and thermal conductivity of Koll -0.15 W/(mk). This oil flows at mass flowrate of 30 kg/minute through a copper pipe of d- 2 cm inner diameter, with wall thickness of t-1 mm. At the relevant conditions, copper has thermal conductivity of ke 400 W/(m.K). The copper pipe loses heat to the surroundings of Tsurr 20°C...
Question 1 (5 Points) Determining the dispersed oil content in the effluent water from a CPI plate separator Given: water flow rate25,000 bbl/day 125°F, Feed water specific gravity 1.06 125°F, Feed water viscosity Dispersed oil concentration 650 mg/l, Dissolved oil concentration= 10 mg/l. Total oil & grease -0.65 cp @125°F =660 mg/l. The dispersed oil droplet size distribution in feed water is as follows: 40-60 60-80 80-100 100-120 120 100% Microns <40 Vol. % 914 30 35 10 A vendor...
Daily oil production in Mexico and daily U.S. oil imports from Mexico during 2005-2009 could be approximated by P(t) 3.9 - 0.10t million barrels (5 <t<9) (t) - 2.1 0.11t million barrels (5s ts 9), where tis time in years since the start of 2000 3.5 Production 2.5 Imports 1.5 .5 5 5.5 6 6.5 77.5 8 8.5 9 (a) What are represented by the functions P) - () and Kt/P(t)? Pro-K) represents the daily production of oil in Mexico...
1. Engine oil (c-2100 J/kg- C) is to be heated from 20 °C to 60 °C at a rate of 0.3 kg/s in a 2-cm diameter thin-walled copper tube by condensing steam outside at a temperature of 130 °C (hfs 2174 kJ/kg) a. For an overall heat transfer coefficient of 650 W/m2-°C, determine the rate of heat transfer and the length of tube required to achieve it. Determine also the rate of steam condensation, in kgsteam/sec. (Ans: 25.2 kW; 7.0...
Please could you answer ALL
sub-questions
70 kg/h of a concentrate from an evaporation system containing 55 wt.% CaCl2 at 90 °C and 101 kPa enters a continuous crystallizer. The saturated crystals of CaCl2. H20 leave at 10 °C. At 10 °C the solution contains 12.5 kg CaCl2/100 kg H20 and during the cooling 2% of the water entering the crystallizer is lost by evaporation. Additional information: 1. Atomic mass Ca = 40 g/mol, Cl = 35.5 g/mol, O =...
An oil engine develops 300 kW and the specific fuel consumption is 0.21 kg/kWh. The exhaust from the engine is used in a tubular water heater, flowing through 25 mm diameter tubes, entering with a velocity of 12 m/s, at 340 °C and leaving at 90 °C. The water enters the heater at 10 °C and leaves at 90 °C, flowing in counter-flow to the hot gases. The air-fuel ratio of the engine is 20, and the exhaust pressure is...
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