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1. Estimate the power that the human heart must impart to the blood to pump it through the two carotid arteries from the heart to the brain. List all assumptions and show all calculations.
2. The flowrate between tank A and tank B shown in Fig. P8.111 is to be increased by 30% (i.e., from Q to 1.30Q) by the addition of a second pipe (indicated by the dotted lines) running from node C to tank B. If the elevation of the free surface in tank A is 25 ft above that in tank B, determine the diameter, D, of this new pipe. Neglect minor losses and assume that the friction factor for each pipe is 0.02.
A high-speed elevator is being designed that must be able to travel at a maximum speed of 11.5 fts. You are asked to recommend the lift motor to use. The completely furnished carriage will have a mass of 3500 pounds. The design occupancy limit will b..
A causal discrete-time LTI system is described by y [ n ) - h [ n - 1) + !Y [ n - 2) = x [ n ) where x[ n ] and y[ n ] are the input and output of the system, respectively.
A 50 x 50 cm duct is 10 m in length. Nitrogen enters at M1 = 3.0 and leaves at M2 = 1.7, with T2 = 280 K and P2 = 7 x 104 N/m2. Find the static and stagnation conditions at the entrance.
a piston-cylinder device contains 10 kg of water 150 c . initially 2 kg it is vapour phase. the water is then heated
Determine the reactions that are created when the frame is connected to the support and the uniform load is applied to tnember Be praw the shear and moment diagrams and sketch; the deflected shape.
a propeller drive shaft is to transmit 2500 hp at 75 rpm. it is to be made of aisi 1040 wqt 1300 steel. use a design
Nitrogen flows steadily through a pipe with a constant cross-section area of 6cm^2. The nitrogen enters the pipe at 500 kPa and 50 degrees Celsius with a velocity of 15m/s. The nitrogen leaves the pipe at 200 kPa and 25 degrees Celsius. Assume that t..
Find the natural frequencies of the water tank considered in Problem 12.22 (Fig. 12.28) using a one-beam element idealization.
a steam turbine receives steam at 110 fts velocity and 1525 btuibm enthalpy. the steam leaves at 810 fts and 1300
Find the molar absorptivity of the complex.
a robotic rover on mars finds a spherical rock with a diameter of 10 centimeters. the rover picks up the rock and lifts
State whether each member is in tension or compression.
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