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- The pressure drop across a turbine is 200kPa. The flow rate is 0.25m3/min. WHat is most nearly the power output of the turbine?A piston PDP has a 5-in diameter and a 2-in stroke andoperates at 750 r/min with 92 percent volumetric effi ciency.(a) What is its delivery, in gal/min? (b) If the pump deliversSAE 10W oil at 20°C against a head of 50 ft, what horsepoweris required when the overall effi ciency is 84 percent?In Fig. there are 125 ft of 2-in pipe, 75 ft of 6-inpipe, and 150 ft of 3-in pipe, all cast iron. There are three90° elbows and an open globe valve, all flanged. If the exitelevation is zero, what horsepower is extracted by the turbinewhen the flow rate is 0.16 ft3/s of water at 20°C?
- An idealized radial turbine is shown in Fig. . Theabsolute flow enters at 30 ° and leaves radially inward. The flowrate is 3.5 m3/s of water at 20 °C. The blade thickness is constantat 10 cm. Compute the theoretical power developed.A centrifugal pump developing 9 ft head at 1200 rpm is driven by a 3 hp motor. Impeller diameter is 6-in. Discharge is 1300 gpm. Determine the critical cavitation parameter ?The centrifugal pump of Fig. develops a fl owrate of 4200 gal/min of gasoline at 20°C with near-radialabsolute inflow. Estimate the theoretical (a) horsepower,(b) head rise, and (c) appropriate blade angle at the innerradius.
- Francis and Kaplan turbines are often provided with drafttubes, which lead the exit fl ow into the tailwater region, asin Fig. . Explain at least two advantages in using adraft tube.A 5 MW turbine is developed under an effective head of 320 m. The turbine efficiency is85%. Velocity coefficient of the nozzle is 99%.(a)Select which is the appropriate turbine based on effective head. (b)What should be the wheel diameter in meters assuming it is 12 times the diameter of the jet?Q-- Consider the following data relating toperformance of a centrifugal pump:speed 1200 rpm, flow rate 30 L/s, head 20 m, and power 5 kW. If the speed of the pump is increased to 1500 rpm, assuming the efficiency isunaltered, Find the new flow rate and head.
- Each stage of an axial-flow compressor is 0.5 reaction,, has the same blade speed and the same flow outlet angle of 30 deg relative to the blades. the mean flow coeficcient is constant for all stages at 0.5. At entry to the first stage the stagnation temperature is 278 K, the stagnation pressure 101.3 kPa, the static pressure is 87.3 kPa and the flow area 0.372 m2. Using compressoble flow analysis determine the axial velocity and the mass flow rate. Determine also the shaft power needed to drive the compressor when there are 6 stages and the mechanical efficiency is 0.99.Fast pls solve this question correctly in 5 min pls I will give u like for sure Mnty If you are running 3500lbs PSI of steam thru the turbine and your governor trips at 4200 PSI. What is your percentage of increase pressure required to reach the High Limits?A fi reboat pump delivers water to a vertical nozzle with a3:1 diameter ratio, as in Fig. If duct and nozzle frictionare neglected and the pump provides 12.3 ft of head tothe fl ow, what will be the outlet fl ow rate?( a ) 85 gal/min, ( b ) 120 gal/min, ( c ) 154 gal/min,( d ) 217 gal/min, ( e ) 285 gal/min