Which of these statements are correct?
1.A small hydro project gets a continuous, steady, uniform, regulated supply
of V m3/hour on all the 7 days of a week from a reservoir to its forebay.
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Order Paper NowThe hydro plant works 5 days a week for 8 hours per day. The pondage
required at the forebay is
(a) 96 V m3 (b) 56 V m3 (c) 48 V m3 (d) 64 V m
2. Consider the following statements:
A surge tank provided on the penstock connected to a water turbine
(1) helps reduce the water-hammer effect in a section of the penstock
(2) stores extra water when needed
(3) provides increased demand of water when needed
Which of these statements are correct?
(a) 1, 2 and 3 (b) 2 and 3 (c) 1 and 2 (d) 1 and 3
3. The function of a surge tank is to
(a) avoid reversal of flow
(b) reduce the water-hammer effect in a major section of the pipeline
(c) prevent occurrence of mass oscillation of water
(d) smoothen the flow
4. A surge tank is provided in a hydropower plant to
(a) to strengthen the penstocks
(b) reduce length of pipe affected by water-hammer pressure
(c) reduce frictional losses in the penstocks
(d) increase the net head
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