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A rocket boosts the speed of a spacecraft from 7500 m/s to 10 500 m/s with a thrust of 890 kN. Calculate the rocket power.
Determine the molecular weight of a poly(ethylene-propylene) with a degree of polymerization of 25,000 given that 20% of the mers (by number) are ethylene and 80% are propylenel.
Assuming the plant operates on the ideal vapor-compression cycle using refrigerant 134-a between the pressure limits of 120 and 700 kPa, determine
the air velocity in a duct is measured by a Pitot-static probe connected to a differential pressure gage. if the air is at 13.4 psia absolute and 70 degrees C and the reading of the differential pressure gage is 0.15 psi, determine the air velocit..
Consider a supersonic wind tunnel with test section Mach number of 2 and fixed geometry diffuser designed to operate with minimum stagnation pressure losses (smallest diffuser area).
the gate in the is hinged at H.the gate is 2 m wide and normal to the palne of the diagram.calculate the force required to hold the gate closed.
Calculating temperature, water evaporation, and heat in a power plant cooling situation. In a nuclear power plant the cooling tower system must be run on a closed cycle.
If the filling is done rapidly, calculate the final temperature in the small cylinder, (a) assume that oxygen is an ideal gas with Cv= 5R/2 and (b) using accurate thermodynamic data for oxygen.
What of diameter of steel rod is required to support a tension load of 44.5kn?assume that the allowable stress for the steel is F=165n/mm.
Immediately before failure, the testing machine records a force (F) of 50N, and a deformation (δ) of 2mm. We need to determine the maximum flexural strength (σ)
Design value for the molded friction material and steel disks to be used 0.06 and pressure max=1400kpa. Determine appropriate values for the disk inside dimmeter, the total number of disks and the actuating force?
Design life is 9630 hours, rotating at 250 rpm, load of 880 lbs, what is the basic design load rating (assuming no axial loads)?
Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 18 MPa. The condenser pressure is 6 kPa. How do I determine the quality of the fluid at the turbine exit
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