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The rotor shafte of a helicopter drives the rotor blades that provide the lifting force and is subjected to a combination of torsion and axial loading. it is known that normal stress is 68 MPa and shear stress is -100 MPa. Using Mohr's circle, determine the following.
a) the stresses acting on an element oriented at a counterclockwise andgle is 22.5 from the x axis.
b) Find the maximum tensile stress, maximum compressive stress, and maximum shear stress in the shaft.
As part of the procurement or contracting department of this federal agency, you need to demonstrate your understanding of the different project delivery methods and contract types available to the agency.
Trips can be classified by productions/attractions or origins/destinations. Which classification provides the direction of travel. Describe the product/outcome (e.g., production-attraction matrix) after each of the 4-step transportation planning pr..
Discuss the following examples: a) Car overheating b) Personal budget deficit c) Shower too hot or too cold In all the cases discuss first the normal condition and after that the problem condition.
If the elevation difference between the water surfaces is y = 25 + x/11 metres, what minimum pipeline diameter will be required to convey the design discharge? Once your design is complete, determine the actual discharge. The value of x equals 23.
Precipitation station X was inoperative for part of a month during which a storm occurred. The respective storm at the three surrounding stations A,B and C were 98,80 and 110mm
The shaft diameter is 100 mm. Calculate the largest principal stresses and maximum shear stress that will occur in the shaft.
A driver with his passenger vehicle is driving at 35 mph, when the traffic signal in front of him changes to yellow. He is 100 feet from the intersection when he applies the brakes after a 1-second reaction time.
The volume flow rate of streams into the pipe is given by QA = 0.02t m 3 /s and that of stream B by QB = 0.008t 2 m 3 /s, where t is in seconds. The exit area of the pipe is 0.01m 2 . Find velocity and acceleration of the flow at exit at t = 1s.
At a specified point on a highway, vehicles are known to arrive according to a poisson process. Vehicles are counted in 20 second intervals, and vehicle counts are taken in 120 of these time intervals.
how much money today is equivalent to lump sum of $100,000 in 20 years with interest rate of 6% per year compounded (a)monthly, (b)quarterly, (c)semiannually
A body slides down a frictionless plane and during the third second after starting from rest if it travels 20.4m. What is the angle of inclination of the plane?
The pavement is on a base which has a modulus of subgrade reaction of 250 pci. A 17,000 lb corner load is applied (al is 7 inches). Using the revised Westergaard equations, find the modulus of elasticity of the pavement if a corner deflection of 0..
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