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Sixty kilograms per hour of water runs through a heat exchanger, entering as saturated liquid at 200 kPa and leaving as saturated vapor. The heat is supplied by a Carnot heat pump operating from a low-temperature reservoir at 16ºC. Find the rate of work into the heat pump.
the assembly consisting of a uniform slender bar mass m5 and a rigidly attached uniform disk mass 4m5 is freely pinned
a plate fin heat exchanger for truck is designed to cool high temperature and high pressure oil using high pressure
an 85kg man is riding a snowmobile at a constant speed of 80kmhr along a straight track near the south pole . explain
A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
a rocket has an initial mass of 25000 kg of which 20000 kg is fuel and oxygen. it is propelled directly upward from
a piston-cylinder assembly initially contains 0.15 m3 of steam at 20 bar and 320oc. the steam expands adiabatically
A 12 kN force is exerted on a rocker arm. The moment of inertia (I) of the crosssection with respect to the neutral-axis is 43.3x10-9 m4.
a cam rotating at a constant speed of 100 rpm drives a roller follower such taht it has a displacement given byy 10
A jack-screw has a handle 35 inches long and a pitch of 7/32 inches. If a pull of 15 lbs. is required at the end of the handle to lift a 3,000 lbs.
Please find the stoichiometric air/fuel ratio of benzene (C6H6) and the actual air fuel ratio when operated at equivalance ratio of 0.8.
two kg of ammonia are compressed adiabatically from a saturated vapor state at 20o c. the dead state is p0 1 bar t0
Starting from rest the motorboat travels around the circular path,P = 50m , at a speed v=(0.8t)m/s, where t is in seconds. Determine the magnitude of the boat's velocity when it has traveled 40m. Determine the magnitude of the boat's acceleration ..
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