A. Produces only radial current
B. Produces only tangential current
C. Is effective over wide range of viscosities
D. Does not produce tangential current
Related Mcqs:
- A pitched-blade turbine draws ______________ a straight blade turbine?
A. Less power than
B. More power than
C. Same power as
D. Data insufficient to predict - A centrifugal pump is called a turbine pump, if it is having a_________________?
A. Turbine type impeller
B. Vaned diffusion casing
C. Rotating vaned volute
D. None of these - The pump impeller and the turbine runner in a hydraulic torque converter___________________?
A. Have the same diameter
B. Have different diameters
C. Are directly coupled
D. None of these - Which of the following properties of a fluid is responsible for offering resistance to shear ?
A. Surface tension
B. Viscosity
C. Specific gravity
D. All A., B., and C. - For the same terminal conditions and valve size, the pressure drop in a fully opened globe valve as compared to that in a gate valve is___________________?
A. More
B. Less
C. Equal
D. Either A. or B.; depends on the viscosity of the fluid - Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter ?
A. For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that
leaving the Venturimeter
B. Discharge of fluid through a Venturimeter depends upon the gage difference irrespective of
the orientation of Venturimeter
C. Venturimeter occupies less space than an orificemeter
D. Venturimeter incurs less power loss compared to an equivalent orificemeter - All pipes of a particular nominal size have the same_________________?
A. Inside diameter
B. Outside diameter
C. Thickness
D. None of these - In the laminar boundary layer flow over a flat plate, the ratio (δ/x) varies as: (where, ‘δ’ is the boundary layer thickness and ‘x’ is the distance from the leading edge in the direction of flow)?
A. Re
B. √Re
C. 1/Re
D. Re-1/2 - If ‘x’ is the depth of flow in an open channel of large width, then the hydraulic radius is equal to________________?
A. x
B. x/2
C. x/3
D. 2x/3 - Which of the following two quantities when same, makes one pipe system equivalent to another pipe system ?
A. Head & discharge
B. Length & discharge
C. Length & diameter
D. Friction factor & diameter
