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two standard gears in mesh have 48 and 102 teeth respectively their diametral pitch is 10 and the pinion rotates at 60
a 24-tooth gear has agma standard full-depth involutes teeth with diametral pitch of 5nbspcalculate the pitch diameter
a gas within a piston-cylinder assembly executes a carnot power cycle during which the isothermal expansion occurs at
an inventor claims to have made an engine that operates from a plutonium energy source at 1060degr and a heat sink at
air is expanded from 315 psia and 650 f to 96 psia and 40 f assuming constant specific heats at room temp determine the
a 159-kg aluminium block initially at 197 c is brought into contact with a 17-kg block of iron at 92 c in an insulated
propose an interesting heat-transfer project that includes a numerical analysis to determine temperatures and heat rate
question 1determine the value of il1 and il2 in figure 1question 2find the total impedance of the circuit in figure 2
a system consisting of 2 kg of water initially at 160 c 10 bar undergoes an internally reversible isothermal expansion
the inlet and outlet air temperature of a centrifugal flow compressor are 70of and 120of respectively see figure 1 the
a steady-state well insulated turbine operated in two stages in series using steam the first stage has an efficiency
water enters a pump at 120 kpa and 25 c degree at a rate of 15 kgsec and leaves at 4 mpa the pump has an efficiency of
an adiabatic compressor is used to bring saturated water vapor at a pressure of 103 lbfin2 up to 1000 lbfin2 where the
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