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A certain ceramic has a fracture toughness of Kic, of 5 MN/m^3/2. A batch of samples of this material contains surface flaws, existing along the circumferences and depth 10 um. Estimate the (a) The tensile strength (b) The compressive strength of the samples.
assuming cold air standard assumptions for a spark ignition engine cycle otto and given the following data compression
nloadnmotor 3 inertia of motor1.2 kgm2 inertia of load 10 kgm2 dampening and load torque can be neglected.draw the
Explain what is meant by an overall heat transfer coefficient and explain what is mean by failing and what its effect will be on the value of the overall heat transfer coefficient.
the bar in the picture is subjected to a distributed force fx and tensile forces at the both ends. derive the governing
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
the 65-mm diameter steel shaft is subjected to the two loads that act in the directions shown. if the journal bearings
a cross section of a rotating bearing is shown. the spherical member rotates with angular speed omega a small distance
use constant specific heats at room temperature. round all answers to one decimal place. a simple brayton cycle
air initially at 150 kpa 500k and occupying a volume of .02m3 undergoes two processes. first the air undergoes a
a steam power plant has a high pressure of 3mpa and it maintains 60c in the condenser. a condensing turbine is used but
Finding the volume of hydrogen, A hydrogen filled balloon of the type used in cosmic ray studies is to be expanded to its full size which is a 100-ft diameter sphere, without stress in the wall at an altitude of 150,000 ft.
An air conditioner in the airport of Timbuktu runs a cooling system using R-410a with a high pressure of 1500 kPa and a low pressure of 200 kPa. It should cool the desert air at 45 degrees C down to 15 degrees C. Find the cycle COP. Will the syste..
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