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Basically a block is slid down from left side of the circle and when it reaches the middle of the bottom the speed of the block is √(2Rg). the block has mass m. What is the force applied the g
For the ideal air standard diesel cycle with a volumetric compression ratio of 17: 1, calculate the efficiencies for cutoff ratios of 1,2, and 4. Take y = 1.4.
Determine the stresses acting on an element inclined at 45 degrees. Show this element properly oriented with the associated stresses.
If a 10-kg box is dropped from a height of 0.5 m above the pan, determine the maximum vertical displacement d. Initially each spring has a tension of 50 N.
The diameter of the hollow core of a solid-propellant grain remains axially uniform during burning. The length is 5 m, and initially its inner diameter is 0.37 m; the outer diameter of the grain is
A refrigerator with an avg COP of 2.8 is used to cool a container with contents equal to 12kg of water from 40deg to 10deg. When running the fridge uses 400w of power. How long will it take to acco
Consider a supersonic flow of free stream velocity of Mach 3 is flowing over a diamond-wedge airfoil with half angle ε=10 degrees and air foil has angle of attack of α=15 deg. Calcula
Determine the center and surface temperatures of the apples in 1 hr. Also, determine the amount of heat transfer from each apple.
The turbine of a steam power plant operating on a simple ideal Rankine cycle produces 1750 kW of power when the boiler is operated at 800 psia, the condenser at 3 psia, and the temperature of the tu
Air at a pressure of 400KPa and a temperature of 700 degree Celsius expands in a turbine at steady state to a pressure of 100KPa. The work output is 260KJ/Kg, and the heat transfer from the turbine
Find area (m2) at the exit of the diffuser. What is the rate of heat transfer (kW) for the diffuser? Is the heat transfer into or out of the diffuser?
What is the moment as the bottom of a telegraph pole that is 50m high adn 25cm in diameter in a 34m/s wind? The atmospheric pressure is 101kPa, and the temperature is 20 C.
The vale is open and the two gases are allowed to mix thoroughly until both the temperature and pressure are the same in both tanks. a) Determine the final temperature and pressure.
The radiator of a car is a heat exchanger that uses air to cool the coolant (assume water) from the engine. The heat that must be transferred to the air is 150 kW and the coolant experiences a 10 C
Air is compressed in a piston-cylinder device from 90 kPa and 22 deg Celsius to 900 kPa in a reversible, adiabatic process. Determine the final temperature and the work done during this process, ass
Sketch a fatigue crack growth curve based on the Paris law. How does a change in the ratio of the minimum stress/maximum stress affect the threshold values?
Find compare the torsional strength and stiffness of this square tube with and without the longitudinal slot (use open section membrane analogy vs. shear flow)
The peak of the mountain, while travelling horizontally with a velocity of 300 km/hr. How far down the mountain 's' will the supplies strike and how long (time) does the flight take?
Determine the minimum pipe diameters required to restrict the maximum inlet velocity to 50 m/s, the maximum extraction velocities each to 75 m/s and the turbine oulet velocity to 130 m/s.
A truck traveling at Vo= 60mph when the driver applies the brakes to come to stop, the deceleration of the truck is constant, and the truck completely stops after 350 ft, treat as the crated as a pa
Consider a concentric circular-tube annulus, with outer diameter 2.5cm and inner diameter 1.25cm, in which air is flowing under fully developed, heat rate conditions. Heat is supplied to the inner t
If 0.02 kg leaks out and the temperature drops to 27OC, find the gage pressure in the tank if the barometric pressure is 98.8 kPa.
If the discharge piping of the pump runs vertically upward, what is the maximum elevation above the pump could deliver water if the velocity is to be maintained?
There are so-called "unwritten laws of engineering" that recommend acceptable conduct and behavior for engineers in industry.
Does the job of managing a high-technology function (e.g., an engineering design department) differ from that of managing a low-technology function (e.g., a hotel)? Explain the specific details of