A. sudden enlargement
B. sudden contraction
C. gradual contraction or enlargement
D. friction
Fluid Mechanics
Fluid Mechanics
A. sharp edged orifice
B. venturimeter
C. Borda’s mouthpiece running full
D. CipoUetti weir
A. H/3
B. H/2
C. 2 H/5
D. 2 H/3
where H is the available head
A. 300
B. 337.5
C. 600
D. 675
A. x
B. x
C. x
D. x/7
A. 0.423 D
B. 0.577 D
C. 0.223 D
D. 0.707 D
where D is the depth of flow
A. at the extreme rear of body
B. at the extreme front of body
C. midway between rear and front of body
D. any where between rear and front of body depending upon Reynolds number
A. 0.223 R
B. 0.423 R
C. 0.577 R
D. 0.707 R
where R is radius of pipe
A. a circular disc of plate held normal to flow
B. a sphere
C. a cylinder
D. a streamlined body
A. constant
B. dependent only on Reynolds number
C. a function of Reynolds number and relative roughness
D. dependent on relative roughness only
