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An insulated rigid tank contains 2.1 kg of water at 150 degress C, initially. At this state, 1.49 kg of the water is in liquid phase. Now, a 1200W electric heater is placed in the tank and left on until the tank is observed to have saturated vapor only as the final state. Calculate a) volume b) final temp of steam and c) time the heater was left on to reach the final state.
steam turbine expands steam reversibly and adiabatically from 4Mpa,300C to 50C turbine exit. determine the work per kg of steam.
an electric wire made of c14500 copper is stretched between two street supports at 20degc so that a stress of 40 mpa is
an ideal monoatomic gas is allowed to expand slowly untill its presssure is reduce to exactly half its original value. by what factor dose the volume change if the process is adiabatic.
An electronics company has a contract to deliver
if when machining at high cutting speeds the heat conducted into the tool becomes negligible and the heat conducted
it is desired to design a system to keep a 1-million-galon capacity water tank filled. the plan is to use a centrifugal
a 30 g bullet is fired with a horizontal velocity of 450 ms through 3-kg block b and becomes embedded in carrier c
Two forces are applied to the pipe AB as shown. Knowing that the pipe has inner and outer diameters equal to 35 mm and 42 mm, respectively, determine the normal and shearing stresses at (a) point a, and (b) point b
What is the minimum energy in the conduction band, and where can it be found in the Brillouin zone?
a man hits a 50g golf ball such that it leaves the tee at an angle of 40 degrees with the horizontal and strikes the
for a one order narrowing of arterial vessel in cross sectional area ainaout 10 what is the outlet pressure if the
Sketch the frequency response of the system. Overlay the frequency spectrum of the excitation and as you start the system up, increasing Ω from 0 to 60 rpm, what speeds are most likely to excite large amplitude response? Why?
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