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A new design is proposed for an automobile. It is suggested that a 1:5 scale model study be done to access the proposed design for a speed of 90 km=h. What speed should be selected for the model study and what drag force would be expected on the prototype if a force of 80 N were measured on the model?
create a presentation that takes you 12 mins to 14 mins to explain the topic iskosher and halal versus genetically
A conventional coal fired power plant has a thermodynamic efficiency of 30%. If coal burns at 400C, what's the max theoretical efficiency of a coal fired plant.
Design a hollow steel shaft to transmit 225 kw of power at 80 rpm without exceeding a shearing stress of 60 MPa. Consider only torsion and assume that there are no stress concentrations. Make the ratio of the outside diameter to the inside diameter t..
air at 80oc and a pressure of approximately 1350 kpa abs flows in a 20-mm-diameter tube. what is the minimum turbulent
A 800 cm3 sample of oil is compressed in a cylinder until its pressure is increased from 1 atm to 100 atm. If the bulk modulus equals 2300 MPa, find the final volume of the oil in cm3
a horizontal 500 lb force performs at a point d of crankshaft ab which is held in static equilibrium by a twisting
Air at 90 kpa and -7 C enters an adiabatic diffuser steadily with a velocity of 180 m/s and leaves with a low velocity at a pressure of 100 kpa. The exit area of the diffuser is 5 times the inlet area. Determine (a) the exit temperature and (b) th..
A two-story building frame is modeled as shown in Fig. The girders are assumed to be rigid, and the columns have flexural rigidities El1 and El2, with negligible masses. The stiff¬ness of each column can be computed as
the hydraulic actuator moves the pin p upward with velocity v 2j ms. determine the velocity of the pin in terms of
the flow of an ideal gas may be considered incompressible if the mach number is less than 0.3. determine the velocity
the ice cap at the north pole may be 1000 m think with a density of 920 kgm3. find the pressure at the bottom and the
A small dam, which may be idealized by a large slab 1.2 m thick, is to be completely poured in a short period of time. The hydration of the concrete results in the equivalent of a distributed source of constant strength of 100 W/m3.
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