A gasoline engine takes in 1.53×104 J and delivers 3500 J of work per cycle. The...
A gasoline engine takes in 1.53×104 J and delivers 3500 J of work per cycle. The heat is obtained by burning gasoline with a heat of combustion of 4.60×104 J/g.
Part A
What is the thermal efficiency?
Express your answer as a percentage. e=?
Part B
How much heat is discarded in each cycle?
Express your answer in joules. Q=?
Part C
What mass of fuel is burned in each cycle?
Express your answer in grams. m=?
Part D
If the engine goes through 70.0 cycles per second, what is its power output in kilowatts? P=?
Part E
If the engine goes through 70.0 cycles per second, what is its power output in horsepower? P?
Homework Answers
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A gasoline engine takes in 1.53×104 J and
delivers 3500 J of work per cycle. The...
Let's begin with an efficiency analysis of a gasoline engine. The engine in a large truck...
Let's begin with an efficiency analysis of a gasoline engine. The engine in a large truck takes in 2500 J of heat and delivers 500 J of mechanical work per cycle. The heat is obtained by burning gasoline with heat of combustion Le = 5.0 x 104 J/g. (a) What is the thermal efficiency of this engine? (b) How much heat is discarded in each cycle? (c) How much gasoline is burned during each cycle? (d) If the engine goes...
A gasoline engine in a large truck takes in 10,000 J of heat and deliver 2,000...
A gasoline engine in a large truck takes in 10,000 J of heat and deliver 2,000 J of mechanical work. per cycle. The heat is obtained by burning gasoline with heat of combustion L-5.0 10* J/g. Heat of combustion of gasoline is how much energy gasoline produces by combustion per g.(20 points) a) What is the thermal efficiency of this engine? (4 points) b) How much heat is discard in each cycle? (4 points) c) How much gasoline is burned...
Please show your work step by step and make sure the answers are correct because I...
Please show your work step
by step and make sure the answers are correct because I cannot do
it twice
part C
What mass of fuel is
burned in each cycle?
Part D
If the engine goes through 70.0
cycles per second, what is its power output in
kilowatts?
Part E
If the engine goes through 70.0
cycles per second, what is its power output in
horsepower?
Exercise 20.3-Enhanced- with Solution Constants es 0233 A gasoine engine takes in 1.72...
A four-cylinder gasoline engine has an efficiency of 22 % and delivers 180 J of work...
A four-cylinder gasoline engine has an efficiency of 22 % and delivers 180 J of work per cycle per cylinder. Part A If the engine runs at 25 cycles per second (1500 rpm), determine the work done per second. Express your answer to two significant figures and include the appropriate units. Part B What is the total heat input per second from the gasoline. Express your answer to two significant figures and include the appropriate units. Part C If the...
A four-cylinder gasoline engine has an efficiency of 25 % and delivers 210 J of work...
A four-cylinder gasoline engine has an efficiency of 25 % and delivers 210 J of work per cycle per cylinder. A) If the engine runs at 25 cycles per second (1500 rpm), determine the work done per second. Express your answer to two significant figures and include the appropriate units. W/t = ________ B) What is the total heat input per second from the gasoline. Express your answer to two significant figures and include the appropriate units. QH/t = ________...
A four-cylinder gasoline engine has an efficiency of 28 % and delivers 280 J of work...
A four-cylinder gasoline engine has an efficiency of 28 % and delivers 280 J of work per cycle per cylinder. A) If the engine runs at 25 cycles per second (1500 rpm), determine the work done per second. B)What is the total heat input per second from the gasoline. C) If the energy content of gasoline is 130 MJ per gallon, how long does one gallon last?
In each cycle (stroke), a heat engine absorbs 400 J of heat and performs 37.5 J...
In each cycle (stroke), a heat engine absorbs 400 J of heat and performs 37.5 J of work. If it makes 10 cycles per second, find the power output of this engine?
Q10 A four-cylinder gasoline h per cylinder. Igine has an efficiency of 0.22 and delivers 180...
Q10 A four-cylinder gasoline h per cylinder. Igine has an efficiency of 0.22 and delivers 180 J of work per cycle (a) thework done per second, and the engine runs at 25 cycles per second (1 500 rpm), determine (o) the total heat input per second fom the gasoline. (c) If the energy content of gasoline is 130 MJ per gallon, how long does one gallon last?
Q10 A four-cylinder gasoline en per cylinder. Ife has an efficiency of 0.22 and delivers 180...
Q10 A four-cylinder gasoline en per cylinder. Ife has an efficiency of 0.22 and delivers 180 J of work per cycle (a) thework done per second, and the engine runs at 25 cycles per second (1500 rpm), determine (b) the total heat input per second from the gasoline. (c) If the energy content of gasoline is 130 MJ per gallon, how long does one gallon last?
Q10 A four-cylinder gasoline h per cylinder. Igine has an efficiency of 0.22 and delivers 180...
Q10 A four-cylinder gasoline h per cylinder. Igine has an efficiency of 0.22 and delivers 180 J of work per cycle (a) thework done per second, and the engine runs at 25 cycles per second (1 500 rpm), determine (o) the total heat input per second fom the gasoline. (c) If the energy content of gasoline is 130 MJ per gallon, how long does one gallon last?
Let's begin with an efficiency analysis of a gasoline engine. The engine in a large truck takes in 2500 J of heat and delivers 500 J of mechanical work per cycle. The heat is obtained by burning gasoline with heat of combustion Le = 5.0 x 104 J/g. (a) What is the thermal efficiency of this engine? (b) How much heat is discarded in each cycle? (c) How much gasoline is burned during each cycle? (d) If the engine goes...
A gasoline engine in a large truck takes in 10,000 J of heat and deliver 2,000 J of mechanical work. per cycle. The heat is obtained by burning gasoline with heat of combustion L-5.0 10* J/g. Heat of combustion of gasoline is how much energy gasoline produces by combustion per g.(20 points) a) What is the thermal efficiency of this engine? (4 points) b) How much heat is discard in each cycle? (4 points) c) How much gasoline is burned...
Please show your work step
by step and make sure the answers are correct because I cannot do
it twice
part C
What mass of fuel is
burned in each cycle?
Part D
If the engine goes through 70.0
cycles per second, what is its power output in
kilowatts?
Part E
If the engine goes through 70.0
cycles per second, what is its power output in
horsepower?
Exercise 20.3-Enhanced- with Solution Constants es 0233 A gasoine engine takes in 1.72...
Q10 A four-cylinder gasoline h per cylinder. Igine has an efficiency of 0.22 and delivers 180 J of work per cycle (a) thework done per second, and the engine runs at 25 cycles per second (1 500 rpm), determine (o) the total heat input per second fom the gasoline. (c) If the energy content of gasoline is 130 MJ per gallon, how long does one gallon last?
Q10 A four-cylinder gasoline en per cylinder. Ife has an efficiency of 0.22 and delivers 180 J of work per cycle (a) thework done per second, and the engine runs at 25 cycles per second (1500 rpm), determine (b) the total heat input per second from the gasoline. (c) If the energy content of gasoline is 130 MJ per gallon, how long does one gallon last?
Q10 A four-cylinder gasoline h per cylinder. Igine has an efficiency of 0.22 and delivers 180 J of work per cycle (a) thework done per second, and the engine runs at 25 cycles per second (1 500 rpm), determine (o) the total heat input per second fom the gasoline. (c) If the energy content of gasoline is 130 MJ per gallon, how long does one gallon last?
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