For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called
A. Continuity equation
B. Bernoulli’s equation
C. Pascal’s law
D. Archimedes’s principle
Answer: Option B

A heat pump is used to meet the heating requirements of a house and maintain it at 20 celcius . On a day, when the outdoor air temperature drops to 2 celcius , the house estimated to lose heat at rate of 80000 kJ/h . If the heat pump under these conditions has COP of 2.5, determine the power consumed bt the heat pump
A) 34000 kJ/h
B) 35000 kJ/h
C) 32000 kJ/h
D) 33000 kJ/h