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An engineering member is to be made of 18-Ni maraging steel (vacuum melted). The member is a plate loaded in tension, and it may have a crack in one edge. The dimensions are width b=35 and t=5.0mm, and the crack may be as long as a=7.0 mm. The member must resist a tension force of P=60KN. Determine
A) the safety against the brittle fracture.
B) the safety factor against fully plastic yielding.
C) the overall (controlling safety factor..
a hypersonic gun tunnel is used to generate short-duration high-speed flows and typically consists of two cylindrical
A conditioned space has a latent load of 12,000 Btu/hr and a sensible load of 20,000 Btu/hr. The space is to be maintained at 75 deg F, 40% rh. Determine the required flow rate of air through the chiller in CFM, and the humidity ratio of the supply a..
Company wants to use a 100 m long steel cable to pull an airplane glider. If the glider has a mass of 1000 kg, and assuming the load is given by F=mg = 9800 N, and if the Young’s modulus of steel is 200 GPa (200,000,000,000 Pa), and Poisson’s ratio i..
Decorative water fountains consist of a water reservoir and underground piping to and from a pump. One such system is shown schematically in the figure. The pipe material is PVC(a table is provided). The outlet line from the pump is 18 m and the inle..
a model rocket weight 0.50ibf is launched vertically from level ground. the thrust of its motor is t3.0ibf and lasts
A 15cm cube of mass 3kg is lubricated with SAE 10 oil at 20oC (dynamic viscosity of 0.104Ns/m2) slides down a 10o inclined plane at a constant velocity. Estimate the speed of the body if the oil film has a thickness of 2mm and the velocity distrib..
A pneumatic displacement gage has d1=0.762 mm and d2=1.575 mm. The supply pressure is 68919.7 Pa with a random fluctuation of ±483 Pa, and the differential pressure Pd-Pa is measured with a water manometer that may be read with an uncertainty of 12.4..
a valve in a cylinder has a cross sectional area of 11 cm2 with a pressure of 735 kpa inside the cylinder and 99 kpa
a 100 lbm liquid-vapor mixture of water in a rigid container with a volume of 3 ft3 at a temperature of 100of is heated
The literature review on fabrication and construction of a modified Co 2 single stroke positive displacement pump driven with electric motor
10 mol of an ideal gas at 5 atm at 298 k is stored in an insulated piston and cylinder arrangement. at these condition
the san vicente reservoir north of san diego currently has a residence time for water of approximately 14 days. the
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