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Steam is leaving a pressure cooker whose operating pressure is 30 psia. It is observed that the amount of liquid in the cooker has decreased by 0.45 gal in 60 minutes after the steady operating conditions are established, and the cross-sectional area of the exit opening is 0.15 in^2. The mass flow rate is 9.8292 E-4, and the exit velocity is 12.974 ft/s.
Determine the total (a) and flow (b) energies of the steam per unit mass in Btu/lbm.
air enters the compressor of a regenerative gas-turbine engine at 300 k and 100 kpa where it is compressed to 800 kpa
, determine the speed of the boy at the instant = 4 . Neglect the size of the limb. When = 0, = 8 so that and are coincident, i. e., the rope is 16 long.
a gate having the cross section shown in fig. below closes an opening 5 ft wide and 9 ft high in a water reservoir. the
air enters an ideal diffuser operating at steady state at 1 bar -3degc and 260 ms and exits at with a velocity of 130
A reversible heat engine operates between 875 K and 310 K and drives a reversible refrigerator operating between 310 K and 225 K. the engine receives 2000 kJ of heat and the net work output from the arrangement equals 350 kJ. make calculations for..
a gas power cycle compresses air at 1 bar and 300 k state 1 through an adiabatic reversible compressor to 6 bar state
a centrifugal pump can provide a 20-m head rise at 75 revmin. if the rotation speed increases to 90 revmin what will be
steam enters a turbine at 9 mpa and 500 celcius with a velocity of 50 ms and leaves at 20 kpa with a quality of 90
a pole-vaulter is holding the vaulting pole parallel to the ground. the pole is 5 m long. the vaulter grips the pole
If the room temperature is 15C and the temperature of the air exiting the hair dryer is 50C, what is the percent increase in the air velocity as it passes through the dryer.
Chromium and Nickel in Welding Fumes
a carnot heat engine receives heat from a reservoir at 900c at a rate of 800 kjmin and rejects the waste heat to the
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