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a spring-loaded piston-cylinder device is initially filled with 013 lbm of an r-134a liquid-vapor mixture whose
a power plant operates a regenerative rankine cycle with one open feed water heater and has a net power output of 1x109
an automobile weighing 2500 lbf increases its gravitational potential energy by 225x104 btu in going from an elevation
determine the change in internal energy twice for each of the 3 cases identified below in your first calculation assume
two samples of different pure substances having equal mass are each placed in rigid containers the first container is
at a temperature of 21degc a cold-rolled red brass alpha b 176 x 10-6degc sleeve has an inside diameter of db 31470
a concentric cylinder viscometer may be formed by rotating the inner member of a pair of closely fitting cylinders see
the speed of sound in air is proportional to the square root of the absolute temperature if the speed of sound is 11260
a turbine develops 40000kw power by running at a speed of 150 rpm at a head of 25 m the discharge required is 150m3s if
determine the adiabatic flame temperature for constant pressure combustion of a stoichiometric propane air mixture
consider the equilibrium reaction in a closed vesselo2 ltgt 20assume the vessel contains 1 mole of o2when there is no
the pipe flow experiment deals with fluid flow through a non-circular cross-section ldquopiperdquo please explain using
a flat bar as shown in the figure below is subjected to an axial load f equal to 500 kn assuming that the stress in the
when does a 2x2 orthogonal matrix q with detq 1 describing a 2 dimensional rotation have real eigenvalues and
a rubber-tired scraper with an efficiency of 50 minhr has a heaped capacity of 20 cu yd if it is to move material with
determine the power input hp to the compressor and the rate of heat transfer btuhr removed from the nitrogen in the
determine the temperature and phase of water from the following information if the phas is a vapor-liquid mixture
a symmetric 3 by 3 matrix m has the eigenvalues lambda1 1 lambda2 2 and lambda3 5 the eigenvector associated with
a water tank consists of a cylindrical part of radius r and height h and a hemispherical top the tank is to be
in a cryogenic application carbon monoxide co gas undergoes a constant-pressure process at 1000 lbfin2 in a
air is contained in a piston-cylinder assembly initially at 40 lbfin2 and 600r the air expands in a polytropic process
a brake is applied to a flywheel rotating at an angular velocity of 100 rads if the angular velocity reduces to 20 rads
a design engineer is considering a structural change that will increase the tensile load on this member what is the
calculate the load capacity of a precast concrete pile that is 14in in diameter and is driven into soil resistance of