Question: A structure used to dam up a stream or river over which the water flows is called [A]. orifice [B]. notch [C]. weir [D]. dam Answer: Option C Explanation: No answer description available for this question.

Question: An error of 1% in measuring head over the apex of the notch (H) will produce an error of __________ in discharge over a triangular notch. [A]. 1% [B]. 1.5% [C]. 2% [D]. 2.5% Answer: Option D Explanation: No…

Question: An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch, [A]. 1% [B]. 1.5% [C]. 2% [D]. 2.5% Answer: Option D Explanation: No…

Question: If the coefficient of discharge is 0.6, then the discharge over a right angled notch is [A]. 0.417 H5/2 [B]. 1.417 H5/2 [C]. 4.171 H5/2 [D]. 7.141 H5/2 Answer: Option B Explanation: No answer description available for this question.

Question: A notch is used to measure __________ of liquids. [A]. pressure [B]. discharge [C]. velocity [D]. volume Answer: Option B Explanation: No answer description available for this question.

Question: A notch is, usually, made of a metallic plate. [A]. Correct [B]. Incorrect Answer: Option A Explanation: No answer description available for this question.

Question: An opening in the side of a tank or vessel such that the liquid surface with the tank is below the top edge of the opening, is called [A]. weir [B]. notch [C]. orifice [D]. none of these Answer:…

Question: In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water. [A]. Correct [B]. Incorrect Answer: Option A Explanation: No answer description available for this question.

Question: In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. [A]. less than [B]. more than Answer: Option A…

Question: In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. [A]. less than [B]. more than…