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Marie parle avec sa sœur.

The steady-state data listed below are claimed for a power cycle operating between hot and cold reservoirs at 1200K and 400K, respectively. For each case, evalutate the net power developed by the cycle, in kW, and the thermal efficiency.

The Greek alphabet has 24 distinct lowercase letters. How many bits are needed to be able to encode any single lowercase Greek letter

The two boxcars A and B have a weight of 20000lb and 30000lb respectively. If they coast freely down the incline when the brakes are applied to all the wheels of car A causing it to skid, determine the force in the coupling C between the two cars.

1. A car mechanic had a sealed bucket containing a substance in the gas phase. She left the bucket outside over the weekend. When she returned, the substand had changed phase, and the substance was in the liquid phase.

Answer true or false 3. Individual people decide what will be produced in a command oconomy

16 Suppose that a steel of eutectoid composition is cooled to 550°C (1020°F) from 760°C (1400°F) in less than 0.5 s and held at this temperature.

The rotor in a shaded pole motor consists of A coils energized by alternating current B a short circuited loop of copper wire c a permanent magnet D an iron cylinder

What factors are likely to promote the formation of stress corrosion cracks?

Find the mass if the force is 18 N and the acceleration is 2 m/s2

Which process must first take place in order for the proteins in foods to be used by body cells? (1) digestion (3) synthesis (2) storage (4) excretion