Question 71. Cavitation will begin when

Question 72. Pascal-second is the unit of

Question 73. Which of the following is the unit of kinematic viscosity

Question 74. The ratio of absolute viscosity to mass density is known as

Question 75. Ratio of inertia force to surface Jension is known as

Question 76. Which of the following has highest coefficient of discharge ?

Question 77. A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the center of bottom is

Question 78. Stanton diagram is a

Question 79. A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, theni) the ball will move to the frontii) the bubble will move to the frontiii) the ball will move to the reariv) the bubble will move to the rear Find out which of the above statements are correct ?

Question 80. In steady flow of a fluid, the total accele ration of any fluid particle