A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Hydraulic Fluid Mechanics }

260. The most economical section of circular channel for maximum discharge is obtained when
A.Depth of water = 0.95 d
B.Wetted perimeter = 2.6 d
C.Hydraulic mean depth = 0.29 d
D.Any one of the above
Discuss in Forum

261. The flow in venturiflume takes place at
A.Atmospheric pressure
B.At pressure greater than atmospheric pressure
D.High pressure
Discuss in Forum

262. Any fluid flow follows
A.Bernoulli's equation
B.Newton's law of viscosity
C.Darcy's equation
D.Continuity equation
Discuss in Forum

263. The velocity distribution in the turbulent boundary layer follows
A.Straight line law
B.Parabolic law
C.Hyperbolic law
D.Logarithmic law
Discuss in Forum

264. Laminar flow occurs in pipes, when Reynolds number
A.Lies between 2000-3000
B.Lies between 3000-4000
C.Is more than 2000
D.Is less than 2000
Discuss in Forum

265. Which of the following pipe bends will introduce maximum head loss
A.300 bend
C.60? bend
D.90? bend
Discuss in Forum

266. In pipes larger than 25 mm, carrying water, the laminar flow
A.Very often exists
B.Generally exists
C.Rarely exists
Discuss in Forum

Page 38 of 80

« 36 37  38  3940 »