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A three-point bend test is performed on a block of silicon carbide that is 10 cm long, 1.5 cm wide, and 0.6 cm thick and is resting on two supports 7.5 cm apart. The sample breaks when a deflection of 0.09 mm is recorded. The flexural modulus for silicon carbide is 480 GPa. Assume that no plastic deformation occurs. Calculate
(a) the force that caused the fracture; and
(b) the flexural strength.
air at 80 degrees fahrenheit and 80 percent relative humidity is cooled to 51 degrees fahrenheit at a constant pressure
at a amusement park there are 180kg bumper cars a b and c that have riders as shown with masses 40 kg 60kg and 30 kg
A piston-cylinder device initially contains 0.4 m3 of air at 100 kPa and 80°C.The air is now compressed to 0.1 m3 in such a way that the temperature inside the cylinder remains constant. Determine the work done during this process.
water behind a dam enters an intake pipe at 24psia 5 fts flow through a turbine and exits 200ft below at 19psia 45 fts
a rankine power cycle operates with an open feedwater heater. the boiler pressure is 6.0 mpa. a superheater provides a
Saturated ethylene glycol at 1 atm is heated by a horizontal chromium-plated surface which has a diameter of 200 mm and is maintained at 480 K. Estimate the heat- ing power requirement and the rate of evaporation.
a stack was sampled for 8 minutes. the gas velocity at stack conditions through the sampler was 15.0 ms and the area
What is a supersaturated solution? How do we obtain supersaturated solutions during precipitation hardening? Why is the formation of a supersaturated solution necessary?
A rigid tank is heated for 9 minutes with a 800W electrical heater. During this time 70kJ of energy is lost due to heat transfer to the environment. Find the temperature of the refrigerant at the end of the heating process.
you are manufacturing a frame for a vehicle out of some aluminum alloy 6061-t451 tubing. the frame is to be welded
Determine the force F which must be applied normal to the handle at C in order to (a) tighten and (b) loosen the clamp. Neglect friction at point A.
If the input is the displacement of the cylinder, what are the unknowns?
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