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a 1.5 hp motor is operarating in a room with air t of 20 C. the motor has an efficency of 78%. the motor gives off heat in accordance with Newton's Law of Cooling Q= hA (Tmotor-Tair). h= W/K.m^2 and the motor is 15 in long and 10 in in diameter. The A area is the total surface area including sides and ends. Calculate the steady state temperature of motor.
saturated water at mean temperature 20 degc flows inside a 25-mm-idnbspcircular tube which is electrically heated to
a thin-walled closed-end cylindrical pressure vessel with spherical end caps is internally pressurized to 500 psi. if
Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for BCC chromium when monochromatic radiation of wavelength 0.0711 nm is used.
an ideal gas of molar mass m is located in a uniform gravitational field whose free fall acceleration is g. a find the
a compressor is used to compress air from 1 bar and 290 k to 10 bar. the compression can be assumed to be adiabatic and
three cstr are to be used in series. the second reactor has a volume twice that of the first and the third reactors.
Weld analysis, Two steel plates are joined with a butt weld using a weld throat h of 3/8 in. and the length of weld 1 of 4in.
determine the specific volume of superheated water vapor at 15mpa and 350oc using a the ideal gas equation b the
tom and jim are kicking a ball which has a mass of 490g back and forth. tom kicks the ball with a speed of 5ms
A horizontal platform rests on four vertical springs, each of stiffness 15kN/m and mass 0.25kg. what will the frequency of oscillation of the table be if it has a mass of 2.okg
unidirectional reinforced composites1. calculating the mechanical properties of unidirectionally reinforced composites
Derive at least four concept designs to satisfy the given specification. Use short written descriptions and simple sketches to illustrate your ideas
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