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1. What material is used to make the tiles that provide thermal protection in NASA's space shuttle?
2. Which ceramic materials are most widely used?
3. Explain how ceramic materials can be classified in different ways.
4. State any one application of the following ceramics:
(a) alumina,
(b) silica,
(c) barium titanate,
(d) zirconia,
(e) boron carbide, and
(f) diamond.
atmospheric air at 98 kpa and 30degc flows into an air conditioning system with a volume flow rate of 2 m3min. to
As part of a test, the two aircraft engines are revved up and the propeller pitches are adjusted so as to result in the fore and aft thrusts shown.
the 2-lb box has a velocity of 5 fts when it begins to slide down the smooth inclined surface at a. the coordinates of
Water at 150C flows in 1½-inch Sch 40 steel pipe with a flow velocity of 2.86 m/s. The pipe expands to 4-inch Sch 40.
The beam shown in the figure is simply supported at A and B. The loads consist of a couple M o = 4 kN . m at A and a concentrated load P = 9 kN at the end of the overhang. Determine the shear force V and bending moment M at a section 2 m from the ..
strarting from x 0 with no initial velocity a particle is given an acceleration a 0.1 squere root v216 where a
two infinite black plates of 600 and 100 degrees celcius exhange heat by radiation. calculate the heat transfer rate
a pulley 250 mm in diameter drives a second pulley 1000 mm in diameter by means of a belt. the moment of inertia of the
water at atmospheric pressure boils on the surface of a large horizontal copper tube. the heat flux is 90 of the
a tank has a stirrer that delivers 200 kj of work on 100 kilograms of water at 45 degrees celcus. assume all of the
a spherical balloon filled with heliumm is initially at 300 k and 100 kpa with a diameter of 5 cm. the balloon is
If the friction loss in the line between the reboiler and pump is 7 kN/m2 and the density of toluene is 866 kg/m3, how far above the pump must the liquid level in the reboiler be maintained to give a net positive suction head of 2.5 m? Calculate t..
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