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1. The hypodermic needle shown below contains a liquid serum (ρ = 1 g/cm3). If the serum is to be injected steadily at 6 cm3 /s, how fast should the plunger be advanced (a) if leakage in the plunger clearance is neglected and (b) if leakage is 10% of the needle flow?
2. Incompressible steady flow in the inlet between parallel plates is uniform, V0 = 8 cm/s, while downstream, the flow develops into the parabolic profile vx = az(z0 - z), where a is a constant. What is the maximum value of vx?
calculate the average density of an interply hybrid beam containing m layers of im7 carbon fiber- epoxy and n layers of
A deep freezer for hazardous chemicals is to be maintained at -20oF to insure a safe environment for the chemicals. The freezer is in a room that is kept at 60oF, and the inner and outer walls of the freezer are made of 26-gauge (0.0184-in) steel.
Filling of gas bottles is a part of a product line where the bottles are moved by pneumatic cylinders- Draw the position-sequence diagram. What kind of switches would you use (signals from actuators). So what is a type of the switch.
Steam at 550 lbf/in.2, 70 oF enters a turbine operating at steady state and exits at 1 lbf/in.^2. The turbine produces 500 hp. For the turbine, heat transfer is negligible as are kinetic and potential energy effects. Determine the quality of the stea..
A pump operating at steady state takes in saturated liquid water at 65 lbf/in.2 at a rate of 10 lb/s and discharges water at 1000 lbf/in.2 The isentropic pump efficiency is 80.22%. Heat transfer with the surroundings and the effects of motion and ..
a 50-lb sphere with a radius of qyration of 0.4 ft is accelerated about its centroidal axis. determine the torque
A 4 cm diameter pipe passes water at a rate of 1 m3/s. If we neglect viscous shear, what pressure drop per unit length must be imposed across this pipe to accelerate the volumetric flow rate by 1 m3/s2?
Design the shaft for fatigue loading. Use distortion energy theory and Soderberg criteria in the design. Note that the shaft is machined. The flywheel and the cranks are fixed to the shaft with sled runner type of keys.
If the cost of heat loss rises by $200 per year (uniform gradient) after the next year and the owner plans to keep the present building for 15 more years, what would you recommend if the interest rate is 10% per year?
a spur pinion has a pitch of 6 teethin 22 full-depth teeth and a 20 degree pressure angle. this pinion runs at a speed
To what value does this series converge when t = 1
Make use of dimensional analysis to determine how the pressure, p, will change when the fluid velocity, V, is doubled.
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