51. The friction factor for turbulent flow in a hydraulically smooth pipe
52. The pressure at a point in a fluid is not the same in all directions, when the fluid is viscous and
53. What causes convective acceleration in fluid flow ?
54. The Stoke's stream function applies to the
55. Slugging in a fluidised bed can be avoided by using
56. The ratio of width to depth for the most economical rectangular section in open channel flow is
57. The simple pitot tube measures the __________ pressure.
58. Capacity of a hydraulic accumulator is defined in terms of maximum
59. Three piping networks as shown in the figure are placed horizontally. They are made using identical pipe segments and are subjected to the same pressure drop across them. Assuming no pressure losses at junctions, the flow rates across the three networks are related as Q1 : Q2 : Q3.
60. With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the
61. Boundary layer separation is characterised by one of the conditions given below, where 'Re' is the Reynolds number for the flow. Select the appropriate conditions.
62. Manometers measure the __________ pressure.
63. Which of the following fluid forces are not considered in the Navier-Stoke's equation?
64. Which of the following may be termed as a variable orifice flowmeter ?
65. In turbulent flow, a rough pipe has the same friction factor as a smooth pipe
66. Air vessel provided in a reciprocating pump
67. Bernoulli's equation is dependent on the
68. The capacity of an accumulator is the maximum
69. With increase in the temperature, viscosity of a liquid
70. Vena-contracta pressure tapping is at a distance __________ from the position of an orificemeter fitted in a pipe of internal diameter 'd'
71. The pump impeller and the turbine runner in a hydraulic torque converter
72. Reciprocating pumps compared to centrifugal pumps
73. The fluid property which matters for fall-ing rain drops to acquire spherical shape is its