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An ideal gas is to flow isentropically from a large tank where the air is maintained at a temperature and pressure of 59 °F and 80 psia to standard atmospheric discharge conditions. Describe in general terms the kind of duct involved and determine the duct exit Mach number and velocity in ft/s if the gas is air.
a cylinder contains 2 kg of steam at 200 kpa and 200 c. the steam is compressed at constant pressure until its
a 3 cm diameter bar 3 m long is attached to two walls on either end of the bar. the walls are at a temperature of 100
The device is used to hold an elevator door open. If the spring has a stiffness of k = 50N/m and it is compressed 0.17m, determine the horizontal and vertical components of reaction at the pin A and the resultant force at the wheel bearing B.
a weight attached to a spring of stiffness 525 nm has a viscous damping device. when the weight is displaced and
A simple beam of span length 3.2 m carries a uniform load of intensity 48 kN/m. The cross section of the beam is a hollow box with wood flanges and steel side plates, as shown in the figure. The wood flanges are 75 mm by 100 mm in cross section, a..
The fuel tank of an automobile holds 0.095 m3. If it is full of gasoline having a specific gravity of 0.68, calculate the weight of the gasoline.
for steel cp 135 jkg-k a 4.5x10-6 ok density 7.85 gcm3 e 207 gpaa. a 1 m long steel rod 10 cm in diameter is heated
strawberries contain about 15 wt solids and 85 wt water.nbspto make strawberry jam crushed strawberries and sugar are
Your classroom is held at an air temperature of 20 degrees Celsius. When the outside temperature is 30 degrees Celsius in the summer, you only need to wear a t-shirt. While, when the outside temperature is -10 degrees Celsius in the winter, you need ..
A vertical piston/cylinder device contains 0.01 lbm of gas. The initial gas volume is 0.18 ft3 and the initial specific internal energy is 282 Btu/lbm. The piston, with a mass of 110 lbm and cross-sectional area of 0.11 ft2, is in equilibrium with th..
Which method would you use in data acquisition for real-time control? Into which of the three categories would you put memory-mapped I/O?
a 12-ft-long overhaning timber beam ac with an 8-ft span ab is to be designed to support the distributed and
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