61. Location of vena-contracta in an orificemeter does not depend upon the
62. Mercury is an ideal barometric fluid mainly due to its
63. The velocity profile for a Bingham plastic fluid flowing (under laminar conditions) in a pipe is
64. A streamline is a line in flow field,
65. Hot wire anemometer is used to measure the
66. A pipe is defined as 'hydraulically smooth', if the friction factor
67. Higher specific speed (200-500) of a centrifugal pump indicates that the pump is of __________ flow type.
68. With increase in pump speed, its NPSH requirement
69. In a/an __________ , the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure.
70. In a stabilised soap bubble, pressure inside it compared to external pressure is
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