A. Relief
B. Three/four way
C. Pressure reducing
D. Directional control
Correct Answer: Directional control ✔
Last Updated: March 10, 2019
Related MCQs
- At a constant speed of the centrifugal pump, it‟s __________ the impeller diameter?
- In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of__________?
- The velocity profile for a Bingham plastic fluid flowing (under laminar conditions) in a pipe is__________?
- When the momentum of one fluid is used for moving another fluid, such a device is called a/an__________?
- Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition.
- Schedule number of a pipe, which is a measure of its wall thickness, is given by __________?
- For an unstable equilibrium of a floating body (where, M = metacentre.) ?
- Laminar flow of a Newtonian fluid ceases to exist, when the Reynolds number exceeds__________?
- The equation f-0.5 = 4.07 loge (NRe √f)-0.6 is called the __________?
- A Bingham fluid of viscosity μ = 10 Pa.s and yield stress, η0 = 10 KPa, is shared between flat parallel plates separated by a distance of 10-3 m. The top plate is moving with a velocity of 1 m/s. The shear stress on the plate is__________?
- The Prandtl Pitot tube measures the__________?
- Dimension of absolute viscosity is__________?
- Purpose of hydraulic accumulator is to__________?
- All pipes of a particular nominal size have the same__________?
- What is the co-efficient of contraction, if a fluid jet discharging from a 50 mm diameter orifice has a 40 mm diameter at its vena-contracta ?
- For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) ?
- Vena-contracta formed during flow of a liquid through an orificemeter has__________?
- The pitot static tube does not measure the __________ pressure?
- The unit of dynamic viscosity in SI unit is__________?
- Power loss in an orificemeter is __________ that in a Venturimeter?
- Which of the following has the minimum compressibility ?
- Nominal size of the discharge pipe of a pump is usually __________ the nominal size of the inlet pipe?
- The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the__________?
- Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) ?
- Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate?
- What is the ratio of fluid carrying capacity of two pipes having diameters d1 and d2 respectively ?
- Momentum transfer in laminar flow of fluids results due to the__________?
- Cavitation in a centrifugal pump can be avoided by keeping the__________?
- Stoke’s law is valid, when NRe, p is less than__________?
- Gradually varied flow in open channel is a/an __________ flow?
- In case of supersonic flow of a fluid through pipeline, the ‘Mach number’ is__________?
- The flow of gas along a pipe in the direction of decreasing pressure causes decrease in its__________?
- The continuity equation__________?
- A fluid is a substance, that__________?
- The schedule number of a pipe is an indication of its__________?
- Dimension of surface tension is (where, F = force, L = length) ?
- Assuming flow to be laminar, if the diameter of the pipe is halved, then the pressure drop will__________?
- Molten soap mass is transported by a __________ pump?
- The exit cone angle in case of a standard Venturimeter is __________ the entrance cone angle?
- Pressure drag does not depend upon the__________?
- With increase in pump speed, its NPSH requirement__________?
- The fluid in which the shearing stress within it is proportional to the velocity gradient across the sheared section, is called a __________ fluid?
- Nominal size of a pipe is an indication of its __________ diameter?
- The velocity profile for turbulent flow through a closed conduit is__________?
- Brownian movement is prominent in the particle size range of __________ microns in case of settling of a particle in a fluid?
- A fluid is the one, which__________?
- Which of the following is not a dimension-less parameter ?
- Steady uniform flow is represented by flow through a/an __________?
- With increasing flow rate, the hydraulic efficiency of a centrifugal pump__________?
- Ratio of pressure and inertia force gives __________ number?
- Most commonly used joint in the underground pipe lines is the__________?