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Consider a flow of air in a duct (assume standard atmospheric pressure at 5000 ft altitude: P=12.228psi). At section 1 the pressure is P1=10psi and at section 2 it is at standard atmospheric pressure. The process was isothermal. What is the change in density (in %) of the air between the two sections?
An iceberg with specific gravity (SGice) of 0.92 is partially submerged in seawater whose specific gravity is SGw= 1.025. Determine the relative volume of the iceberg that appears above the surface of the sea.
An engine block with a surface area measured to be 0.90m2 generates a power output of 55 kW with a net engine efficiency of 35%. The engine block operates inside a compartment at 157oC and the average convection heat transfer coefficient of 60 W/m..
a construction crew lifts approximately 560 lb of material several times during a day from a flatbed truck to a 32 ft
405-N rightward force is use to drag a large box across the floor with a constant velocity of 0.678 ms-1. The coefficient of friction between the box and the floor is 0.795. Determine the mass of the box.
what are the properties of petrol that it makes particularly suitable for the use as afuel in a motor vehicle.
Consider just the vertical (y) response of the system when the beam is being stretched. Show that the spring constant, ka, is approximately 70.6 mN/m. What is the steady state amplitude of the vertical response? See Figure A below for an engine..
the 18 kg block starts from rest and moves upward when constant forces of 20 n and 40 n are applied to supporting
Compute the theoretical density of CaF2, which has the fluorite structure. Ionic radii of Ca2+ and F- are 0.100 nm and 0.133 nm respectively.
If I take measurements using a Pitot Tube and get results for pressures Horizontal In, Horizontal Out, Vertical In, and Vertical Out all in inches of mercury. How do I take these pressures and determine a Velocity using Bernoullis equation?
Determine the maximum speed at which the car with mass m can pass over the top point A of the vertical curved road and still maintain contact with the road.
the density of liquid water at 25 c is 997 kgm3 and the specific gravity of solid water ice at 0 c is 0.98. 100 kg of
an open feedwater heater operates steadily with 30 kghr of liquid water entering one inlet at 40 degcnbspand 700 kpa.
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