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Which type of penstock is used in cold climates?(a) Buried penstock(b) Covered penstock(c) Open penstock(d) Exposed penstockI got this question in examination.My doubt stems from Site Selection for Hydro Electric Power Plants in division Hydro Electric Power Plant of Energy Engineering

Answer»

Correct option is (a) BURIED penstock

Best explanation: Buried penstocks are USED in cold climates where FREEZING is expected. TYPES of penstocks have shorter life period. A buried penstock will not be subjected to the problem of harmonic VIBRATIONS sometimes associated with the traditional penstock.



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