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A modern venturi nozzle is tested in a laboratory flow with water at 20°C. The pipe diameter is 5.5 cm, and the venturi throat diameter is 3.5 cm. The flow rate is measured by a weigh tank and the pressure drop by a water-mercury manometer. The mass flow rate and manometer readings are as follows
Use these data to plot a calibration curve of venturi discharge coefficient versus Reynolds number. Compare with the accepted correlation, Eq. (6.114).
air flows through a converging adiabatic duct with no loss. the temperature at the inlet is 400 k. at the outlet the
the lifetime of a lightbulb is normally distrbuted with a mean of 1000 hrs and a standard deviation of 30 hours. find the probability that a randomly selected light bulb last longer than 1045 hours.
A 7in diameter cylindrical scuba tank made from steel is being designed for an internal pressure of 1600 psi. The allowable stress of the steel is 35 ksi in tension and 16 ksi in shear. Calculate the minimum wall thickness assuming a factor of safety..
Consider a T shaped wooden beam comprised of a 2 x 6 and a 2 x 8 20 feet long. [Use nominal dimensions for beam cross section.] A steel plate 20 feet long and of cross section 6 x ½ inches is fastened to the top of the T. Calculate the bending stress..
Calculate maximum tensile stress in wood and steel, and determine the implied safety factors of the wood and steel with respect to yield of steel or failure of wood
An automobile engine consumes fuel at a rate of 29 L/hr and delivers 60 kW of power to the wheels. If the fuel has a heating value of 44,000 kJ/kg and a density of 0.8 g/cm3, determine the efficiency of this engine, and draw a conceptual schematic of..
a loop of wire is made of some kind of elastic material that can shrink when released. initially the interior portion
a long pryoceram rod with a diameter of 80mm is clad with a very thin metallic tube for protection. the bonding between
Determine (a) the efficiency and (b) the net work output per cycle. Assume ideal gas model for air with k = 1.4.
Based on the information discussed in fender design and ships characteristics, estimate the size and number of fenders that will be required for budgeting purposes. Basis for selection of vessel characteristics and fender type must be discussed to..
a furnace of cubical shape with external dimensions of 0.35 m is constructed from a refractory brick fireclay. if the
Determine the required thickness t of the tube if its outside diameter d is 200 mm and the desired factor of safety with respect to Euler buckling is n = 3.0. (Assume E =72 GPa.)
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