PIPE Elements 4 Flashcards
Channel or canal of natural rock use to divert water outside the dam
Spillway
A hydroelectric plant that re-use spent water by pumping it back from the lower pool to the upper pool at scheduled intervals of operation.
Pumped Storage Plant
It is the area around the inlet of the penstock in the reservoir
Forebay
Serves as an exit channel that provides enough flow for exiting water
Tail Race
Vertical vanes which regulate the volume flow of water to the turbine
Wicket Gates
Choose the best answer on the following two statements:
1. The feedwater heater is usually heated by steam
2. The economiser is heated by flue gas
Both No. 1 & 2 are TRUE
Choose the best answer on the following two statements:
1. The feedwater heater is installed outside the boiler furnace
2. The economiser is installed outside the boiler furnace
No. 1 is TRUE while No. 2 is FALSE
In a diesel engine the heat lost to the cooling water is about
30 %
Mechanical efficiency of a diesel engine is defined as
Bhp/Ihp
The intermittent or continuous removal of concentrated solid content of water in a boiler drum.
Blowdown
Steam is supplied to the turbine through
Throttle Valve