For two diesel engines a and B, the power ratio of a and B is 2:1, the efficiency of a is 25%, and the efficiency of B is 20%. For the same work, the ratio of diesel consumed by a and B is 2:1

First of all, power represents the speed of work, which is related to time. Here, the fuel consumption ratio of two diesel engines has nothing to do with power
Let the work done by a and B diesel engines be "unit 1"
Then the fuel consumption for a and B to do these work is respectively as follows:
A: 1 / 25% = 4
B: 1 / 20% = 5
Therefore, the fuel consumption ratio is 4:5

RELATED INFORMATIONS

1. It costs 5.5 yuan per kilogram of vegetable oil. A barrel of vegetable oil weighs 23 kg. After half of the oil is sold, it weighs 14 kg. How much can this barrel of vegetable oil cost? No equations
2. It costs 5.5 yuan per kilogram of vegetable oil. A barrel of vegetable oil weighs 23 kg. After half of the oil is sold, it weighs 14 kg. How much can this barrel of oil cost?
3. A barrel of oil, even the barrel with oil 120kg, pour out 3 / 4 of the oil, even the barrel still weighs 45kg?
4. A diesel engine has a power of 70kw and a mechanical efficiency of 40%. It is known that the calorific value of diesel oil is 4.2 × 10 ^ 7J / kg. When it works normally, the amount of diesel oil consumed per minute is less Fs/mq*100%
5. When a diesel engine with an efficiency of 40% outputs 66000j of useful work, the amount of diesel consumed__ kg? When a diesel engine with 40% efficiency outputs 66000j of useful work, the amount of diesel consumed is very small_____ The calorific value of diesel oil is 4.3 × 107 J / kg 66000 / 0.4 or 66000 * 0. I'm dizzy.
6. What's the physical meaning of the efficiency of a diesel engine being 25 percent, The efficiency of diesel engine is 25%. What does it mean?
7. The efficiency of diesel engine is higher than that of gasoline engine because the calorific value of diesel engine is higher than that of gasoline engine Is that correct? Why?
8. The heat efficiency of a diesel engine is 25%. How much useful work can be done by completely burning 2kg diesel when this diesel engine works The thermal efficiency of a diesel engine is 25%. How much useful work can be done by completely burning 2kg diesel oil when the diesel engine works? (the heat released by completely burning 1kg diesel oil is 3.3 × 10 7J) Problem solving process
9. What is the horsepower of Leydig diesel engine with rated power of 20.58kw per hour and rated power of 19.12kw per hour
10. Conversion between physical density units These are the units t m.kg m.g cm Kg DM on the four. Conversion. Do not even wait. A group finished in the reverse. Please
11. Generally, the reason for the highest thermal efficiency of diesel engine is (). A diesel engine has high calorific value. B internal combustion. C compression ignition. D B + C
12. When a diesel engine consumes 3kg of diesel oil, it can do 450000 useful work to calculate the efficiency of a diesel engine [the calorific value of diesel oil is 330000]
13. 1. Diesel engine is a common heat engine in industrial and agricultural production. It is known that the efficiency of a certain type of diesel engine is 30%. It can release more heat if 2 kg diesel is completely burned in the diesel engine
14. A 195 type diesel engine consumes 0.2kg diesel per horsepower per hour. The calorific value of diesel is known to be 4.3x10 seventh power J / kg Find out the efficiency of this diesel engine
15. When a diesel engine consumes 3kg of diesel oil, it can do 4.5 * 10 of the seventh power J of useful work, and calculate the efficiency of the diesel engine The calorific value of diesel oil is 3.3 * 10 7 J / kg
16. When a diesel engine consumes 2kg of diesel oil, it outputs 3 * 10 seventh power work to calculate the efficiency of the diesel engine (the calorific value of diesel oil is 3.3 * 10 seventh power J / kg)
17. A barrel of oil uses 45, and then adds 15 kg. At this time, the gasoline in the barrel is exactly 12 times of that in the whole barrel. How many kg of gasoline is this barrel?
18. A barrel of diesel sells 75 kg, which is just 1.5 times of the rest. It costs 1.6 yuan per kilogram of diesel. How much yuan can this barrel of diesel sell?
19. A barrel of diesel oil, the first day to use it 2 / 3 less than 3 kg, the next day to use the remaining 40% more than 3 kg, this is the barrel of 15 kg left How many kilos are there in half a year
20. A barrel of diesel oil is continuously pumped. It weighs 20000 grams late. After half of it is used up, it still earns 65000 grams. How much oil is left in the barrel and how many kilograms are empty?