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Gravel is dumped from a hopper, at a rate of 650 N/s, onto a moving belt, as in Fig. P3.67. The gravel then passes off the end of the belt. The drive wheels are 80 cm in diameter and rotate clockwise at 150 r/min. Neglecting system friction and air drag, estimate the power required to drive this belt.
1. calculate the specific volume of carbon dioxide 10 degrees celsius and 80 quality?2. calculate the specific volume
what four processes make up the ideal rankine cycle? what is happening in an actual power plant during the real
determine head loss and the power required to overcome it given efficiency 73 power of the pump 12hp height 35ft water
suppose a heat engine is connected to two energy reservoirs one apool of molten aluminum 660degc and the other a block
the 3.25-kg collar shown below is attached to a spring and released from rest at a. the collar then travels downward a
a wyre has tensile strength of 80 ksi and a diam 0.19. starting material 1 diam rod. after going through steps you
point a of circular disk with radius of 200 mm is at angular postion theta 0 at t0. the disk has angular velocity of
1 /2kg of a liquid-vapor water mixture in a rigid tank initially at 2 bar is heated by 120V heater for 5 minutes until it becomes a saturated vapor at 4 bar. Changes in kinetic and potential energies can be ignored.
A two-stage compressor is used to compress air from 100 kPa at 298 K to 900 kPa at a rate of 0.5 kg/s. After the first stage compressor, an intercooler isobaric ally cools the air to 350 K before entering the second compressor stage.
a gas turbine engine has a pressure ratio of 9.2 to 1. assume air enters at 25 celsius and 101 kpa and that 750 kjkg
The 10-kg block rests on the platform for which = 0.4. If at the instant shown link AB has an angular velocity = 2 rad/s, determine the greatest angular acceleration of the link so that the block doesn't slip.
How much energy (kJ) is required to accelerate a 1500 kg passenger vehicle from rest to highway speed (110 km/hr)? If it takes fifteen seconds to accelerate the vehicle, what is the average power (kW)?
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