Open channel liquid flow is most conveniently measured by a (A) Hot wire anemometer (B) Notch (C) Rotameter (D) Segmental orifice

Open channel liquid flow is most conveniently measured by a
(A) Hot wire anemometer
(B) Notch
(C) Rotameter
(D) Segmental orifice
by

1 Answer

Answer :

(B) Notch
by

Related questions

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The resistance wire used in a hot wire anemometer for conducting electrical current is made of (A) Copper (B) Tungsten (C) Chromium (D) Aluminium

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Cd , Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena￾contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity). (A) Cd = Cc /Cv (B) Cd = Cc .Cv (C) Cd = Cv / Cc (D) None of these

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The actual velocity at vena-contracta for flow through an orifice from a reservoir is given by(A) Cv. √(2gH)(B) Cc. √(2gH)(C) Cd. √(2gH)(D) Cv. Va

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Last Answer : (A) Cv . √(2gH)

The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch) (A) (2/3) Cd × b × gH) (B) (2/3) Cd × b × g) × H (C) (2/3) Cd × b × g) × H 3/2 (D) (2/3) Cd × b × g) × H

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Last Answer : Answer: Option C