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A turbine produces 2 MW of power while accepting steam at 3 MPa and 400 C and rejecting steam at 50 kPa and 100C. Find (a) the isentropic efficiency of the turbine (assume no heat transfer) (b) the mass flow rate of steam.
the airbus a-340 passenger plane has a maximum takeoff weight of about 260000 kg a length of 64 m a wing span of 60 m a
a sketch three-dimensional views of the unit cell of a b.c.c. crystal showing a 100 plane a 110 plane a 111 plane and a
a carnot engine operates between temperatures of 700 and 369 k. to improve the efficiency of the engine it is decided
it is desired to design a system to keep a 1-million-galon capacity water tank filled. the plan is to use a centrifugal
two radio waves are used in the operation of a cellular telephone. to receive a call the phone detects the wave emitted
Ideal vapor-compression refrigeration cycle, An ideal vapor-compression refrigeration cycle, with ammonia as the working fluid, has an evaporator temperature of -20c and a condenser pressure of 12 bar
a tube with elastic modulus of 75 gpa is used to support a compressive load. it is required that this tube must not
The center of gravity of the boom is located at G. Determine (a) the tension in cables DE and DF, (b) the reaction at A.
a vapor in a cylinder is compressed frictionlessly from 20 to 60 psia in such a manner that pvconstant. the initial
a continuous steady state distillation column is fed a mixture that is 70 mol n-pentane and 30 mol n-hexane. feed rate
determine the magitudes of the horizontal and vertical reactions of the chair on the man at the instant . At this instant he has a speed of 6 m/s, which is increasing at 0.5 m/s^2.
A steel cylinder with an internal radius of 50mm is designed to carry a maximum stress of 400 MPs. It is subjected to an internal pressure of 80 MPs.(i) Determine the required wall thickness.
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