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steam is expanded from 20 bars 280 c to 100kpa through an adiabatic steady flow turbine whose isentropic efficiency is
steam at 500kpa 300 c is used to heat cold water at 15 c to 75 c for domestic how water supply how much steam per kg
a carnot power cycle operates at steady state with water as the working fluid the boiler pressure is 200lbfin2 with
air at 600k flows with 3 kgs into a heat exchanger and out at 100 c how much kgs water coming in at 100 kpa 20 c can
at the instant shown the rigid body oa rolls counter clockwise without slipping on the fixed horizontal surface and
a witch lifts her cauldron of boiling liquid with a pulley system once the cauldron is lifted liquid issues from two
as a 75 slug car travels along a horizontal 3200 ft section of road it changes speed from 5 mph to 60 mph during this
a 10-ft long rectangular astm grade 50 steel plate 1-in by 12-in cross section is used as a hanger and is subjected to
a 24 in long bar with a cross sectional area of 10 in2 is subjected to an axial tensile load of 10000 lb compute the
the exhaust nozzle of a jet engine expands air at 388 kpa and 174 c adiabatically to 95 kpa determine the air velocity
a 12-cm-diameter silver sphere initially at 25degc is suspended in a room filled with saturated steam at 100degc using
a long aluminium cylinder 50cm in diameter is initially at a uniform temperature of 200degc it is suddenly subjected to
to test the aerodynamics of a new prototype automobile a scale model will be tested in a wind tunnel for dynamic
an engineering member is to be made of 18-ni maraging steel vacuum melted the member is a plate loaded in tension and
a gear set has a module of 5mm a 20deg pressure angle and a 24-tooth case-iron spur pinion driving a 48-tooth case-iron
a container filled with 73 kg of liquid water at 99ordmc is placed in a 60-m3 room that is initially at 12ordmc and 1
an insulated rigid tank contains 5 kg of helium gas at 440 kpa and 31c a valve is now opened and helium is allowed to
an insulated rigid tank is divided into two equal parts by a partition initially one part contains 606 kmol of an ideal
a dual cycle has a compression ratio of 151 the state at the beginning of compression is 144psi and 60f the volume
explain the answer in a manner such that someone who did not previously know the answer will now understand the concept
the 015 kg ball is held stationary by a jet of water at the nozzle the speed of the jet is 6ms and its diameter is 12mm
air at 35mpa and 500 c is expanded in an adiabatic gas turbine to 02mpa calculate the maximum work that this turbine
determine the total induction length from the point of intake entry of the tract to the head of the inlet valve to
a power plant uses the ranking cycle the maximum desired temperature in the boiler is 500c if the turbine is reversible
construct the phase diagram for hypothetical metals a and b between 20degc room temperature and 700degc given the