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The overall volume compression ratio of a reversed carnot cycle working with air as a refrigerant is 10. the temperature limits of the cycle are 40 degree C and 0 degree C. determine:
1. the pressure, volume and temperature at each point of the cycle,
2. the work done in the cycle
3. the refrigerating effect
4. the COP of the cycle
Determine the evaporator temperature at which a single-stage R22 plant will cease to produce any refrigerating effect in delhi where the condenser temperature is 42 degree C. the and the compressor has 5% clearance, index of compression is 1.15?
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. With what speed do the supplies land in the latter case
Initially, the translational rms speed of a molecule of an ideal gas is 460 m/s. The pressure and volume of this gas are kept constant, find the final translational rms speed of the molecules
If a bullet is fired vertically upwards with the speed calculated in (b), what is the maximum height that the bullet can reach.
a house is heated by 24 kq electric furnace using resistance heating if 9 J are used. How long was the furnace running in an acerage Jan day
Two 4.0kg masses are 1.0m apart on a frictionless table. Each has 1.0?C of charge. What is the initial acceleration of each mass if they are released and allowed to move
A freshly prepared sample of a certain radioactive isotope has an activity of 11.2 mCi. After 4.40 h, its activity is 8.00 mCi. Find the decay constant
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
question spring stretches by 0.0186 m when a 3.24-kg object is suspended from its end. how much mass should be attached
Neglect air resistance for the following. A soccer ball is kicked from the ground into the air. When the ball is at a height of 12.6 m, its velocity is (5.5 + 4.5) m/s. To what maximum height will the ball rise
Find the modulation index corresponding to the given trapezoidal pattern for the AM signal.
Water flows at 0.25L/s through a 7.0-m-long garden hose 2.0cm in diameter that is lying flat on the ground. What is the gauge pressure of the water where it enters the hose
The tires of a car make 75 revolutions asthe car reduces its speed uniformly from 100 km/h to 50 km/h. Thetires have a diameter of 0.80 m. What was the angular acceleration?
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