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A heat engine operates in a Carnot cycle between72.0°C and345°C. It absorbs21,600J of energy per cycle from the hot reservoir. The duration of each cycle is5.00s.
(a) What is the mechanical power output of this engine? (b) How much energy does it expel in each cycle by heat?
problem 1 air at 29.5ordmc db flows over a cooling coil and leaves it at a state of 13ordmc db and 8.5 gkg absolute
Starting from rest the motorboat travels around the circular path,P = 50m , at a speed v=(0.8t)m/s, where t is in seconds. Determine the magnitude of the boat's velocity when it has traveled 40m. Determine the magnitude of the boat's acceleration ..
1. Natural gas and 100% excess air enter the combustion chamber of the Capstone micro-gas turbine at 400 kPa and 452 °C.
for a spinning solid circular disk of radius a and constant thickness the maximum stresses occur at thenbspcenter of
Hydrostatic relation, An empirical formula relating pressure and density for seawater w/ temperature held constant is
An unsuited free diver can work in a pressure of up to 490KN/m^2 and a suited diver in pressure of up to 1815 KN/m^2. Calculate the maximum depths at which they might work in sea-water which has a specific gravity of 1.03.
The external heat transfer coefficient is h=10 W/m^2*K. What is the rate of heat loss to the ambient?
problem 1a steel simple beam ab is supported by a copper wire at the middle point c. the beam is subjected to a pair of
electronic components are mounted on the inner surface of a horizontal cylindrical duct whose inner diameter is 0.2m.
A compressor operating adiabatically is to compress 2.83 m^3/min of air at 29.4C and 102.7 kN/m^2 to 311.6kN/m^2. Calculate the power required if the efficiency of the compressor is 75%. Also, calculate the outlet temperature.
carbon dioxide enters an adiabatic compressor at 100kpa and 300k at a rate of 0.5kgs and exits at 600kpa and 450k.
the man has mass 80kg and sits a distance 3m fromnbspthe center of the rotating platform. due to thenbsprotation his
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