A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is

Related MCQs

• The efficiency of a Pelton wheel working under constant head
• 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 power of the wheel is
• The power of a centrifugal pump working under constant head and discharge increases with the speed.
• The overall efficiency for a Pelton wheel lies between
• A double overhung Pelton wheel has
• The specific speed of a centrifugal pump may be defined as the speed of an imaginary pump, identical with the given pump, which will discharge one litre of water, while it is being raised through a head of one metre.
• A Pelton wheel is
• The depth of the bucket for a Pelton wheel is generally
• The width of the bucket for a Pelton wheel is generally
• In a reaction turbine, the pressure head of water, while flowing over the vanes, is converted into kinetic head before leaving the wheel.