Answer Happy

A1 A2 A3 A4 SECTION A A. frictional loss (20 X 1 = 20 Marks) Multiple Choice Questions The weight of 1 liter of oil with specific gravity equals to 0.98 is: A. 980 N B. 9613.8 N C. 9.6138 N The car engine heats up, what will happen to the engine oil viscosity: A. it increases with the increase in temperature B. it reduces with the increase of temperature C. viscosity of liquids does not change with temperature D. it increases as the density reduces The loss of energy which occurs when a liquid enters a pipe which is connected to a large tank or reservoir is called: B. bend loss C. exit loss D. entrance loss D. 96.138 N In a vertically submerged surface, the position of center of pressure is: A. below the center of gravity B. above the center of gravity C. in the center of gravity D. in the whole surface area of the momentum of fluid particles with respect to time is: D. Ns yp