Apump with an isentropic efficiency of 90% is operating in a rankine cycle. saturated liquid water enters at 100kpa and is compressed to 1mpa. what is the enthalpy at the exit?
a. 417.5kj/kg
b. 418.5kj/kg
c. 416.5kj/kg
d. 419.5kj/kg

He viscosities of several liquids are being compared. all the liquids are poured down a slope with equal path lengths. the liquid with the highest viscosity will

Select all of the following that are equal to an impulse of 20 unitsa) force= 5, time= 5.5b) force= 25, time= 0.8c) force= 0.1, time= 200d) force= 10, time= 2(its b, c, and d)(also in order to find answer they have to add to get the unit)ex= 25x.8=20 or .1x200=20

Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack