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What would be the horse power of a steam engine with average pressure of steam 9x 104 Nm-2 , the area of cross section of the piston is 0.2 m2, length of stroke is 0.6 m and piston makes 5 revolutions per second?
a)150 h.p.
b)140.7 h.p.
c)104.7 h.p.
d)144.77 h.p.?
Most Upvoted Answer
What would be the horse power of a steam engine with average pressure ...
Given Information

- Average pressure of steam: 9 × 10^4 N/m^2
- Area of cross-section of the piston: 0.2 m^2
- Length of stroke: 0.6 m
- Piston makes 5 revolutions per second

Calculating Force on the Piston

The force on the piston can be calculated using the formula:
Force = Pressure × Area

Given that the average pressure of steam is 9 × 10^4 N/m^2 and the area of the cross-section of the piston is 0.2 m^2, we can substitute these values into the formula:

Force = (9 × 10^4 N/m^2) × (0.2 m^2) = 1.8 × 10^4 N

Calculating Work Done per Second

The work done per second can be calculated using the formula:
Work Done per Second = Force × Distance

In this case, the distance is the length of the stroke, which is given as 0.6 m. Substituting the values into the formula, we get:

Work Done per Second = (1.8 × 10^4 N) × (0.6 m) = 1.08 × 10^4 Nm/s

Calculating Horsepower

Horsepower is a unit of power and can be calculated using the formula:
Horsepower = Work Done per Second / 746

Substituting the value of work done per second into the formula, we get:

Horsepower = (1.08 × 10^4 Nm/s) / 746 = 14.477 horsepower

Answer

Therefore, the horsepower of the steam engine is approximately 14.477 horsepower.
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What would be the horse power of a steam engine with average pressure of steam 9x 104 Nm-2 , the area of cross section of the piston is 0.2 m2, length of stroke is 0.6 m and piston makes 5 revolutions per second?a)150 h.p.b)140.7 h.p.c)104.7 h.p.d)144.77 h.p.? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about What would be the horse power of a steam engine with average pressure of steam 9x 104 Nm-2 , the area of cross section of the piston is 0.2 m2, length of stroke is 0.6 m and piston makes 5 revolutions per second?a)150 h.p.b)140.7 h.p.c)104.7 h.p.d)144.77 h.p.? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What would be the horse power of a steam engine with average pressure of steam 9x 104 Nm-2 , the area of cross section of the piston is 0.2 m2, length of stroke is 0.6 m and piston makes 5 revolutions per second?a)150 h.p.b)140.7 h.p.c)104.7 h.p.d)144.77 h.p.?.
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