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Some species of bamboo can grow 250 mm/day. Assume individual cells in the plant are 10 µm long.
a) How long, on average, does it take a bamboo stalk to grow 1 cell length?
b) How many cell lengths are added in one week, on average?
a commercial steel pipline is to convey 20 ft3s of water at 68 f between two reservoirs 5 miles and 200 feet different
a steam power plant has a high pressure of 5 mpa and maintains 50 c in the condenser. the boiler exit temperature is
A spherical vessel used as a reactor for producing pharmaceuticals has a 5 - mm - thick stainless steel wall (k = 17 W/m middot K) and an inner diameter of D, = 1.0 m. During production, the vessel is filled with reactants for which p = 1100 kg/m3 an..
A piston-cylinder assembly which initially has a volume of 1 m^3 is filled with 0.7 kg of air. The pressure on the air is always maintained at 1.2 bars. Heat transfer is allowed to take place until the volume is 60 percent of the initial value. You m..
calculate the span of a differential pressure transmitter that is mounted 10 inches below the bottom instrument tap on
a refrigerator compressor compresses 0.5 kgs of saturated r-134a vapor at -10c to 1000 kpa and 40c. the compresser has
determine the values of Q that minimizes unit sales cost UC = TC/Q; and compute the annual profit earned by the plant at this quantity.
someone has suggested that the air-standard otto cycle is more accurate if the two isentropic processes are replaced
An inventor claims to have developed a heat pump that produces a 200kW heating effect for a 20 degree Celsius heated zone while using 75 kW of power. The heat pump operates steadily in an environment at 0 degrees Celsius.
A pilot in an airplane flying horizontally with constant speed of v = 480 km/hour at an elevation of h=610 m above a level plain wishes to bomb a target B on the ground as shown below. At what angle below the horizontal should he see the target at th..
1. Define Vapour pressure 2. What is Compressibility? 3. Define Surface Tension. 4. List the instruments works on the basis of Bernoulli's equation. 5. State the assumptions used in deriving Bernoulli's equation 6. Define Boundary layer Thickness.
the motion of a linkage in a mechanical system is examined by engineers. it has been determined that the velocity of an
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