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An executive jet aircraft is in a rapid descent in a standard atmosphere. Its time rate of change of altitude (its climb rate) is - 15 ft/s.
(a) At the instant it passes through an altitude of 20,000 ft above sea level, what are the temperature, pressure, and density of the surrounding air?
(b) At the instant it passes through an altitude of 20,000 ft above sea level, what are the time rate of change of the temperature, pressure, and density of the surrounding air?
lf the contents of the vessel have a weight of 5.0 kN, determine the required specific weight of the material from which the vessel is made.
A “friend” asks you to construct the phase diagram for a new binary alloy of A and B. The clues are: (i) A and B are completely immiscible in each other and no solid solutions exist in the diagram, (ii) no stoichiometric compounds exist in the diagra..
Why does a car engine stop when we turn the key even when the vehicle is running? The engine should run on alternator in case of a petrol engine and on it's own in case of a diesel engine. Then how does it stop exactly?
Calculate the modulus of elasticity of the aluminium alloy. Use the modulus to determine the length of a 1.25 m bar to which a stress of 210 MPa is applied.
consider the cuau crystal structure. it can be described as a simple cubic lattice with a basis of cu 0 0 0 cu 1 2 1 2
1. determine the amount of excavation needed for the basement. a 2 foot working distance is required and the
certain system is able to exert an external force f according to the relationship.v velocityf 15000-500vn for v lt
H2O at 520 degrees celsius, 12 MPa(abs) enters a control volume operating at steady state with a volume flow rate of 40 m^3/min, 22% of the entering mass flow exits at 220 degrees celsius, 1 MPa(abs), with a velocity of 20m/s.
1. Determine the volume change, in ft3, when 1 lb of water, initially saturated liquid, is heated to saturated vapor while pressure remains constant at 1.0, 14.7, 100, and 500, each in lbf/in.2 Comment. 2. For H2O, determine the specified property..
air in a piston-cylinder assembly undergoes a process from state 1 where t1 300 k p1 100 kpa to state 2 where t2500 k
a vertical jet of water leaves a nozzle at a velocity of 10 ms and a diameter of 20 mm. it suspends a plate having a
A golf ball is driven off a tee that is elevated 30 ft above the fairway and hits the ground that is below 30 ft from the tee. The initial velocity of the ball is 120 ft/s at an angle of 40 degrees from the horizontal.
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