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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?
A 120cm x 80cm plate is rolled into a 120cm long cylindrical shell (Using a 2cm overlap joint to create the cylinder). The shell wall thickness is 1.2mm. The material is AL-2024-T4. Calculate the maximum axial compressive force that may be applied on..
Design brief provided to produce a design proposal for an experimental rig which will measure the mass properties of a bicycle wheel.
A spring-loaded piston-cylinder device is initially filled with 0.13 lbm of an R-134a liquid-vapor mixture whose temperature is ?30°F and whose quality is 80 percent. The spring constant in the spring force relation F = kx is 37 lbf/in, and the pisto..
if the force exerted on cable ab by the motor is f 100t32 n where t is in seconds determine the 50-kg crates velocity
a water heater operating under steady-flow conditions delivers 10 litersmin at 75 c and 370 kpa. the input conditions
a pipe in a manufacturing plant is transporting superheated vapor at a mass flow rate of 0.3 kgs. the pipe is 10 m long
the pressure of 200 kgs of water is to be increased from 1 atm to 4 mpa. the water enters through a 20-cm-diameter pipe
If F =10 N, what are the magnitudes of the forces exerted on the nail by the hammer and the reaction forces exerted on the floor by the hammer?
a machine of mass 125kg supported by springs of total stiffness k750knm. the rotating parts have a mass of 2.5kg which
a team of astronomers have proposed io construct a large parabolic telescope mirror by spinning a cylindrical container
A meteorologist uses a pitot -static tube to measure the wind speed in a tornado. Based on the damage caused by the storm, the tornado is rated as EF5 on the enhanced Fujita Scale. This means that the wind speed is estimated to be in the range of 261..
a gasoline powergen consists of a gasoline engine designed to convert the chemical energy chee of gasoline to
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