A. Transition
B. Laminar
C. Turbulent
D. Both B. and C.
Correct Answer: D. Both B. and C. ✔
Last Updated: March 10, 2019
Related MCQs
- In open channel flow in a rectangular channel, the ratio between the critical depth and the initial depth, when a hydraulic jump occurs is__________?
- If the head over the triangular notch is doubled, the discharge will increase by __________ times?
- Two liquids manometer is used for measuring small pressure differences in__________?
- The simple Pitot tube measures the __________ pressure?
- __________ forces act on a particle moving through a stationary fluid?
- For flow through a venturi at a particular discharge, the correct relationships among heads at points X, Y, and Z are__________?
- The discharge through a V-notch weir varies as__________?
- When larger particles e.g., grains are subjected to fluidisation, the corresponding bed produced is termed as the __________ bed?
- The Stoke’s stream function applies to the__________?
- When a fluid flows over a solid surface, the__________?
- Interstage coolers are provided in a multistage compressor to__________?
- The rate of change of moment of momentum represents the __________ by the fluid?
- Boiler feed water pump is usually a __________ pump?
- Boundary layer separation occurs when the__________?
- The ratio of inertial forces to gravity forces is called the __________ number?
- Buoyant force__________?
- While starting a centrifugal pump, its delivery valve should be kept__________?
- The Navier-Stokes equation deals with the law of conservation of__________?
- Open channel liquid flow is most conveniently measured by a__________?
- Which of the following may be termed as a variable orifice flow-meter ?
- Which of the following is not dimension-less ?
- The line of action of the buoyant force passes through the centre of gravity of the__________?
- Mercury is an ideal barometric fluid mainly due to its __________?
- Surge tanks are provided in high pressure water pipelines to__________?
- The velocity distribution in direction normal to the direction of flow in plane Poiseuille flow is__________?
- With increase in the temperature, viscosity of a liquid__________?
- The continuity equation in ideal fluid flow states that__________?
- Capacity of a hydraulic accumulator is defined in terms of maximum__________?
- Nature of fluid flow during the opening of a valve in a pipeline is__________?
- The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonian fluid in a circular pipe is__________?
- The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by (where, x = each side of the square duct) ?
- Hydraulic intensifier is used for increasing the __________?
- Net positive suction head (NPSH) of a centrifugal pump must be__________?
- The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is__________?
- Volute type of casing is provided in a centrifugal pump to__________?
- Air vessel provided in a reciprocating pump__________?
- The pipe wall thickness is minimum for a pipe of given nominal size having schedule number__________?
- The ratio of width to depth for the most economical rectangular section in open channel flow is__________?
- Choking in case of pipe flow means that a__________?
- If Blasius or Darcy friction factor is ‘f1’ then the Fanning friction factor is equal to__________?
- Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases?
- When the pipe Reynold’s number is 6000, the flow is generally__________?
- Which of the following is a dimensionless parameter ?
- The pump impeller and the turbine runner in a hydraulic torque converter__________?
- Deformation drag, which is caused by widespread deformation of fluid around the immersed body__________?
- With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the__________?
- A streamline is__________?
- What causes convective acceleration in fluid flow ?
- Each term of the Bernoulli’s equation written in the form, (p/ρ) + (g/gc). Z + (v2/2gc) = constant, represents the total energy per unit __________?
- Draining of shallow pits or sump is done by a sump pump, which is a __________ pump?
- In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant ?