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1) A window of building loses 1.2 jules/sec of heat during 24 hours period time. Determine heat loss during this in KJ?
2) A rocket is launched through a thrust force of 7,000,000 lbf. What power is produced when the rocket velocity is 100ft/s?
a 20 mm id steel tube carries liquid at 10 mpa. assume that the tubing is very long. determine the principal stresses
determine if a simple supported w12 x 26 a36 steel beam has the capacity to support loads that produce 50ksi of
Air enters a turbine at 40 kN/m2, 900 C, and leaves at 10 kN/m2. The flow is reversible and adiabatic. Inlet velocity is quite low and outlet velocity is 150 m/s through a cross-sectional area of 0.20 m2. Calculate the power output in kW.
A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
a spherical container with volume 0.05m3 is pressurized up to 800kpa absolute pressure. air is released suddenly
What are the percentages of the total heat absorption taking place in the economizer, boiler drum and the superheater, respectively? Assume cp of air and water as 1.005 kJ/kg K and 4.2 kJ/kg K, respectively.
a rigid tank contains 20 lbm of air at 50 psia and 80o f. the air is now heated until its pressure doubles. determine
Two infinite parallel plates are separated by a distance h. The space between them is filled with a Newtonian fluid: density (rho), viscosity (mu). The lower plate is fixed
Prepare the statement of financial position
Acceleration was uniform. If it assumed that the acceleration was uniform where the magnitute of the volocity of an airplane was changed from 120mph to 360mph in 6 seconds.
in a piston cylinder device 5kg of air at 200kpa and 227oc is compressed to 500kpa at 100oc. determine the entropy
The nominal breaking strength of the rope is 10,000 lbs. Calculate how much payload this assembly can allowably pick up. Show your work.
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