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An ideal Brayton cycle with regeneration has a pressure ratio of 10. Air enters the compressor at 300K and the turbine at 1200K. If the effectiveness of the regenerator is 100 percent, determine the net work output and the thermal efficiency of the cycle. Assume constant specific heats at room temperature.
hypothesis testing. think of a problemissue in your job or in life that can be addressed using a hypothesis test.
Calculate the actual power transmitted to the second pulley and calculate the power which can be transmitted if the maximum tension in the belt is limited to half of the ultimate strength of the belt.
suppose an external torque t1 is applied to shaft 1 which has polar area moment of inertia j1. gear 1 is mounted on
air at 30 celcius and 2 mpa flows at steady state in a horizontal pipeline with a velocity of 25ms . it passes through
a person with a receiver is 5 km away from the transmitter .what is the distance that this person must move further to
A successive approximation ADC has 4 bits and a reference voltage of 10 V. If the input voltage is 2.8 V, describe each step the ADC undergoes to determine the value of the 4 bits. What input voltage will be computed by the ADC?
air is constantly being recirculated throughout the me building. in the summer that air is also cooled using chilled
a stream of refrigerant-134a at 1 mpa and 12 c is mixed with another stream at 1 mpa and 60 c. if the mass flow rate of
Evaluate the variation of hoop stresses across the wall of the compound cylinder.
1. a commercial refrigerator keeps food fresh at -12 ordmc. it is estimated that the refrigerator removes 3300 kjhr
(a) Describe how the capacitors are combined. (b) There are three other ways to combine all three capacitors in a circuit. What are the equivalent capacitances for each arrangement?
a 25kg steel tank having a volume capacity of 250 litres is filled with liquid water at room temperature. what is need
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