76. In a centrifugal pump, the water enters the impeller __________ and leaves the vanes axially.
77. A Kaplan turbine is an axial flow reaction turbine.
78. A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit speed of the wheel is
79. The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is __________ of the jet velocity,
80. The specific speed of a hydraulic turbine depends upon
81. The depth of the bucket for a Pelton wheel is generally __________ the diameter of jet.
82. An impulse turbine is used for
83. The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship, will be maximum when the relative velocity of the jet and ship is equal to twice the velocity of the ship.
84. The cavitation in reaction turbines is avoided, to a great extent by
85. Which type of the pump is different from others in the same group?
86. The power developed by a turbine is (where H = Head of water under which the turbine is working)
87. She spent three hours .................. over the manuscript.?
88. A jet of water enters and leaves a fixed curved vane tangentially. The force of jet along perpendicular to the vane is zero.
89. In a mixed flow centrifugal pump, the flow through the impeller is a combination of radial and axial flows.
90. A Pelton wheel is
91. Power required to drive a centrifugal pump is __________ proportional to N3.
92. Which Secretion secreted by pineal gland?
93. Akbar’s Mausoleum is situated at?
94. A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit discharge of wheel is
95. Delivery head of a centrifugal pump is
96. Slip of a reciprocating pump is negative, when
97. Which of the following is not an impulse turbine?
98. A hydraulic accumulator is a device used to store __________ energy which may be supplied to a machine later on.
99. The Furneyron turbine is __________ reaction turbine.