Hydraulics and Fluid Mechanics MCQs with answers PDF for test preparation. Includes Fluid Mechanics MCQ Civil Engineering PDF download, Hydraulics and Fluid Mechanics MCQ PDF download, and Fluid Mechanics questions and solutions PDF.
Velocity of jet of water travelling out of opening in a tank filled with water is proportional to____ ?
A. h3/1.
B. V/T
C. h2
D. All of themA piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury?
A. 0.515
B. 0.5
C. 0.3
D. All of themA streamline is defined as the line _____ ?
A. of equal yelocity in a flow
B. along which the pressure drop is uniform
C. parallel to central axis flow
D. parallel to outer surface of pipeGeneral energy equation holds for _____ ?
A. turbulent flow
B. laminar flow
C. steady flow
D. non-uniform flowIn order that flow takes place between two points in a pipeline, the differential pressure between thes^ points must be more than _____ ?
A. surface friction
B. frictional force
C. viscosity
D. All of themPressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to _____ ?
A. 91Pa
B. 98,100 Pa
C. 1 Pa
D. 9810 PaFor pipes, turbulent flow occurs when Reynolds number is ____ ?
A. more than 4000
B. less than 4000
C. less than 2000
D. between 2000 and 4000A hydraulic press has a ram of 15 cm diameter and plunger of 1.5 cm. It is required to lift a weight of 1 tonne. The force required on plunger is equal tc _____ ?
A. 160 kg
B. 1060 kg
C. 10 kg
D. 100 kgBernoulli equation deals with the law of conservation of _____ ?
A. momentum
B. force
C. mass
D. energyCavitation is caused by _____ ?
A. high pressure
B. low viscosity
C. high velocity
D. low pressure