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a ship 450 m long moves in in sea water where density is 1030 kg/m.a 1:80 scaled ship model is tested in wind tunnel with velocity of 30 m/s and the resistance developed by the model is 40 n.determine the velocity of ship in sea water and also the resistance in sea water if density of air 1.3 kg/m and kinematic viscosity of sea water and air as 0.012 and 0.018 stokes respectively.
The annual holding cost rate for this type of item has been estimated at 28%. What option is more economical?
Steam at 15 bar and 350 degrees C is expanded through a 50% reaction turbine to a pressure of 0.14 bar. The stage efficiency is 80% for each stage and the reheat factor is 1.05.
Cantilever Beam with maximum tensile strength. A cantilever beam is to be made using a symmetrical I section beam. The cantilever is to carry a load of 40kN at a distance 2.5m from the fixed end. The situation allows for a depth of I beam to be no..
Mechnical Vibration Analysis, How do I deduce the value of the viscous damping factor? How do I deduce the value of the viscous damping coefficient c?
Examine the influence of the vibration on the grain size, microstructure and mechanical properties of aluminium-silicon alloys (Al-Si) during solidification.
Both cars undergo constant acceleration. Determine the time when the two cars pass each other on the highway.
Finding exit velocity from air nozzle, Air enters a nozzle operating at steady state at 800 ºR with a negligible velocity and exits the nozzle at 570 ºR.
The force exerted on the cue ball by the cue is horizontal. Determine the value of h for which the ball rolls without slipping. (Assume that the frictional force exerted on the ball by the table is negligible.)
A 0.4 W cylindrical electronic component with a diameter of 0.3 cm and length 1.8 cm is mounted horizontally on a circuit board. To cool the component air is flowing across the board at a velocity of 150 m/min. If the air temperature is T∞= 45°C, ..
Knowing that in the position shown the rod has angular velocity of 4 rad/s clockwise; determine the angular velocity of the rod after it has rotated through a 90°.
A large stationary Brayton cycle gas-turbine power plant delivers a power output of 100MW to an electric generator. The minimum temperature in the cycle is 300K
A horizontally oriented copper rod length of l=1m is rotated about avertical axis passing through its middle. what is number of rps at wich this rod ruptures?
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