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An air conditioner using R-134a as the working fluid and operating on the ideal vapor-compression refrigeration cycle is to maintain a space at T=22 C while operating its condenser at 1000 kPa. Determine the COP of the system when a temperature difference of T=2C is allowed for the transfer of heat in the evaporator.
An air bubble rises from the bottom of a well where the temperature is 25°C, to the surface where the temperature is 27°C. Find the percent increase in the volume of the bubble if the depth of the well is 5 m. Atmospheric pressure is 101,528 Pasca..
A light aircraft with a wing area of 200 ft2 has a lift coefficient of 0.4 and a drag coefficient of 0.05. the power required to maintain level flight is 66hp. determine the weight of the airplane. recall power is force in the direction of velo..
the man has mass 80kg and sits a distance 3m fromnbspthe center of the rotating platform. due to thenbsprotation his
Explain the characteristics of the Phugoid motion. What is the governing aerodynamic derivative which determines the convergence or otherwise of the motion?
Determine the maximum horizontal displacement s of the block. Each of the two springs has a stiffness of k = 2500N/m and an unstretched length of 0.15 m.
Design value for the molded friction material and steel disks to be used 0.06 and pressure max=1400kpa. Determine appropriate values for the disk inside dimmeter, the total number of disks and the actuating force?
in an experiment similar to the procedure set out for part a of the calorimetry experiment 1.500 g of mgs was combined
juice is extracted from fruits such as apples by compressing and crushing them. based on your knowledge of
what two maintained tools will hurt an automotive technicians on the job performance?
an oven has five radiant heaters each one is rated at 15 kw. it should heat some 2-kg steel plates from 20 degrees
Calculate the mass flow (in slugs/per second) that comes out the exit of the engine. The plane is at standard altitude 50,000 ft and velocity = 2200 ft/s. Would appreciate attack to problem.
for a turning operations you have selected an hss tool and turning a hot rolled free machining steel bhn 300. your
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