In a short cylindercial external mouthpiece, the venacontracta occurs at a distance from the outlet of orifice equal to_______.

diameter of the orifice

one-third the diameter of the orifice

two-third the diameter of the orifice

one-fourth the diameter of the orifice

Correct Answer : one-fourth the diameter of the orifice

Recently Updated in Hydraulics Questions

An orifice is taken as large if

(H₂ - H₁) > H

(H₂ - H₁) > H/2

(H₂ - H₁) > H/4

(H₂ - H₁) > H/3

Correct Answer : Option (D) : (H₂ - H₁) > H/3

A closed cylindrical vessel of 100 cm diameter and 200 cm high is completely filled with a liquid (sp. weight 1600 kg/m3) when rotated about its vertical axis at 100 r.p.m. The total pressure on its lid, is

459 kg

549 kg

945 kg

954 kg

Correct Answer : Option (D) : 954 kg

An error of 1% in measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to

1.5%

2.0%

2.5%

4.5%

Correct Answer : Option (C) : 2.5%

Civil Engineering MCQ's

Building Materials

Building Construction

Strength of Materials

Hydraulics

RCC Structures Design

Steel Structure Design