A 200-hp engine can deliver, in SI units, an average power of ____. (1 hp = 746 W)
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- 2. A diesel engine with a stroke of 4.72 inches and a displacement of 5.9 liters develops a peak torque of 600 lbft at 1600 rpm. What is the average piston speed in feet per minute at peak torque?The modules of elasticity can be defined in terms of Mach number as ________.(d) A generator spins at 3600 rpm. Convert that rotational speed to units of rev/s. (e) A generator spins at 3600 rpm with a torque of 200 N m. In SI units what is the power? (f) An automobile engine produces 94 kW at 6300 rpm. In SI units, what is the torque? (g) An automobile engine produces 221 lb ft of torque at 1800 rpm. In Hp, how much power does this engine produce?
- Industrial Main List at least three advantages that fluid power has over mechanical power.If an engine that throws 200 kW of heat energy into the atmosphere produces 150 horsepower (hp), what is the efficiency of this engine? TIP: Horsepower is not included in the international unit system, you must convert it to kW.1. If 1 gallon of oil = 1.4 therm, how many gallons have been wasted by heat loss in Feb? (1 therm = 100,000 BTU)_____________________________________________________________________________________2. If $1.30 per therm, how much did you waste from house heat loss in Feb?
- The torque (in N-m) exerted on the crank shaft of a two stroke engine can be described as T = 10000 1000 sin2θ − 1200 cos 2θ , where θ is the crank angle as measured from inner dead center position. Assuming the resisting torque to be constant, the power (in kW) developed by the engine at 100 rpm is_____Describe horsepower and list the three quantities needed to determine horsepower.3. At a load of 43,000 KW in a steam turbine generating set, 3600 RPM, the following data appear in the log sheet. Steam flow -190 Metric Tons/hour Steam pressure - 8.93 MPaa Steam temperature - 535C Feed-water temperature - 230 C Fuel Flow: Bunker Oil -3.4 Metric Tons/hr HHV=10,000 Kcal/hr Local coal -18 Metric Tons/hr HHV = 5350 Kcal/hr Determine the overall boiler efficiency. h at 8.93 MPa and 535°C -3475.7 KJ/kg hf at 230°C-990.12 KJ/kg
- Problems 1. A database lists an equation for Û as Û= 1.10+ 0.8107+4.75 × 1047² where Û is in kilojoules per kilogram and 7 is in degrees Celsius. What are (a) the corresponding equation for Cv and (b) the reference temperature for Û? 2. Use the steam tables to calculate the change in internal energy between liquid water at 1000 kPa and 450 K, and steam at 3000 kPa and 800 K. How did you take into account the phase change in the water?01- Draw the wind turbine power curve characteristics and discuss the regions of the curve. What is the value of wind turbine power when the power coefficient (cp) =16/27 and wind power =100kW?.Diogram height, cm The bore diameter of each cylinder in a six-cylinder four-stroke petrol engine is 25 mm and the stroke length for each cylinder piston is 275 mm. During engine testing, the engine runs at 4250 revolutions per minute (rpm) with a pressure-volume indicator diagram showing a mean net area of 7.85 cm2 and diagram length of 3.25 cm. For a pressure scale set at 525 kN/m2 per cm on the indicator diagram, calculate the indicated power developed by the engine. Give your answer in kilowatts (kW) to 2 decimal places. Pressure veru Volume indicator Diagram (Pressure scale350 AN per cm) Peok Pressure Enclosed net orea for engine work done mep Diagram length cm