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A Brayton cycle uses air and produces a net work of 14000 Btu/s with an inlet state of 60F, 14.7 psi and a compression ratio of 16. The heat added in the combustion process is 400 But/lbm. Find: Using variable specific heat method The highest temperature in the cycle The mass flow rate of the air.
the motion of a particle is defined by the position vector r=a(cos t + t sin t)i + A(sin t-t cos t)j, where t is expressed in seconds. Determine the values of t for which the position vector and acceleration are.
three wires are made of the following materials. one wire is pure al. one wire is pure cu. one wire is pure ni. which
how do you find the magnitude of individual vectors when you have the magnitude of the resultant vector. after finding
Find the shaft ID needed to obtain a maximum deflection at the center of 3 mm if the shaft OD is 22 cm. Assume the shaft to be the same length between supports as the length of the paper roll.
Describe the physical properties of water that are relevant to its critical roles in plant physiology.
A refrigerating plant operating between temprature limit of 253k and 307k provides 4.5kJ/s of refrigerating effect. If the refrigerating efficiency of the plant is 0.76. calculate the power required to drive the plant.
the decarburization of a steel can be carried out by placing the steel in a vacuum i.e. the carbon concentration is
a 3850lb sports car drivers weight included driving along a horizontal rectilinear stretch of road goes from 0 to 62 in
a vertical pipe conveying water tapers from 50 mm in diameter at the top to 25 mm in diameter at the bottom in a length
a food liquid with a viscosity of 0.0209 lbf-sft2 is being pumped through a two-inch stainless steel pipe at a rate of
assume that a person skiing in the mountains at an altitude of 15000 ft takes in the same volume of air with each
determine the thermal efficiency and the required steam flow rate kgs for a reheat-regenerative steam power plant which
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