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Practice Final Exam
• A large rocket engine delivers hydrogen at 1500°C and 3 MPa to a nozzle with an exit pressure equal to the ambient pressure of 54 kPa. If the thrust of the rocket is 2 MN what is the exit velocity and mass flow rate of hydrogen? (use k = 1.41 and R = 4124 J/kgK)
• Air, with a stagnation condition of 450 K and 250 kPa flows through a nozzle. At the location where the cross-sectional area equals 15 cm2 there is a normal shock. If the mass flow rate is 0.4 kg/s estimate the Mach number and the stagnation pressure after the shock.
• A 5-mm capillary tube is used as a viscometer. When the flow rate is 0.71 m3/hr, the measured pressure drop is 375 kPa/m. Estimate the viscosity of the fluid? Is the flow laminar? Can you estimate the density?
• Hydrogen at 20 °C and 1 atm needs to be pumped through an 85 m duct with an aspect ratio of 5:1. The flow rate is 0.7 m3/s and the pressure drop cannot exceed 80 Pa. What should the height and width of the duct be?
Package Design Brief: Assume you are the packaging engineer for a large consumer products company. In this company, the Packaging Design Briefs are initiated by the marketing group and forwarded to the Package Engineering group.
Define dynamic viscosity, Determine the centroid, Pressure due to the height of liquid, Advantage of changing the liquid, Calculate the total moment about the hinge of the seal gate.
DOF system and Find the differential equation describing the system
Write a paper on Boyle's law and describe Compression and Combustion stroke . Also explain Charles's law and illustrate SI engine and CI engine.
To Verify the law for parallelogram of forces, law for triangle of forces and law of polygon of forces. These laws are very useful to calculate unknown forces in very short time.
What is the discharge revised discharge pressure of the compressor.
The role of IFRS in both developing and developed capital markets.
Wind turbines are becoming more and more common as a method of energy production, wind turbines by their very nature are dynamic and are subject to and create their own internal and external kinematics and kinetics.
8 x product engineering and design review (week 2 – 12), ~3 pages per item which must contain a brief description of the product then delve into concepts such as materials selection, manufacturing methods, life cycle analysis, recyclability and overa..
Design of absorption column and the cooler. Process design of other units should be completed along with pipe sizes.
Determine maximum total bending moment (static plus dynamic) of the beam under steady-state conditions.
Determine the magnitude of the horizontal and vertical components of the force of the water on the gate.
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