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1 a 124 scale model of a submarine is tested at 60 ms in a wind tunnel using standard air at sea levela determine the
a 5-m-wide 2-m-deep irrigation water channel is simulated by a 110-scale model to maintain smooth flow without strong
1 determine the mass flow rate of steam required to produce 750 kw output in a turbine where potential and kinetic
an adiabatic compressor draws carbon dioxide gas at 95 kpa and 298 k and delivers it at 300 kpa and 450 k the
in a 200-horsepower pump installed in a long pipeline the increase in kinetic energy of the oil is 84 kjs-kg but the
in a water-cooled air compressor the inlet pressure and temperature are 100 kpa and 298 k respectively air leaves the
water at 200 kpa and 110oc flows into a mixing device at the rate of 5 kgs the water is heated by mixing it with
a pump is used to deliver water from an underground tank to an overhead tank at a rate of 20 kgs the flow velocities in
a steady-state compression of nitrogen takes place in a compressor between 1 bar and 25oc at a mass flow rate of 0875
air enters a compressor with a mass flow rate of 125 kgs at 105 kpa and 27oc and exits at 675 kpa and a specific volume
in a vapor compression refrigerator refrigerant r-134a enters the compressor as a saturated vapor at-4octhe refrigerant
refrigerant r-134a enters a steady-flow turbine at 800 kpa 80c and 60 ms exit conditions are 060 bar -10oc and 120 ms
a steam turbine is designed to have a power output of 10 mw when the steady-flow mass flow rate is 16 kgs and the steam
nitrogen which may be taken as an ideal gas expands in an adiabatic turbine from 1 mpa and 475oc to a pressure of 200
an adiabatic turbine uses steam to deliver 10 mw at a steady-flow rate of 10 kgs inlet conditions are 10 mpa and 500oc
a three-input and-or ao gate shown in figure 142 produces a true output if both a and b are true or if c is true
in a binary coded decimal bcd system 4 bits are used to represent a decimal digit from 0 to 9 for example 3710 is
while walking down a dark alley ben bitdiddle encounters a twoinput gate with the transfer function shown in figure 148
ben bitdiddle has invented a circuit with the transfer characteristics shown in figure 147 that he would like to use as
repeat exercise 169 but convert from an arbitrary base b1 to another base b2 as specified by the user support bases up
a majority gate produces a true output if and only if more than half of its inputs are true complete a truth table for
draw the symbol boolean equation and truth table fora a three-input or gateb a three-input exclusive or xor gatec a
a three-input or-and-invert oai gate shown in figure 143 produces a false output if c is true and a or b is true
1 there are 16 different truth tables for boolean functions of two variables list each truth table give each one a