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_____________________ pumps are a group of vacuum pumps ?
Related MCQs
The momentum correction factor for the velocity distribution of laminar flow is__________?
The frictional resistance in laminar flow does not depend on the__________?
Steady non-uniform flow is exemplified by flow through a/an__________?
For an incompressible fluid, the bulk modulus of elasticity is__________?
Pressure drop in a packed bed for laminar flow is given by the __________ equation?
The line of action of the buoyant force acts through the__________?
Bernoulli’s equation accounts for the__________?
A Newtonian fluid is that__________?
A centrifugal pump has the following specifications: Power = 4 H.P.; Speed = 800 rpm Head = 8 metres Flow = 1000 litres/minutes. If its speed is halved, the power consumed now will be __________ hp?
Power number is the ratio of__________?
A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is __________ kg?
Mach number is defined as the ratio of the local flow velocity to the sonic velocity in the fluid. For what value of Mach number, the gases are considered incompressible ?
Propeller type centrifugal pumps are most suitable for__________?
Hydraulic diameter for non-circular ducts is equal to __________ times the area of flow divided by the perimeter?
Froude number is the ratio of__________?
A stream line is__________?
Which of the following is used for pumping crude oil from oil well ?
The buoyant force acting on a floating body is dependent on the __________?
Horsepower requirement for given pump capacity depends upon the__________?
For a given Reynolds number, in a hydraulically smooth pipe, further smoothening __________ the friction factor?
Disc compensators are provided in large diameter fuel gas carrying pipelines to__________?
The unit of velocity head is__________?
The capacity of a centrifugal pump Can be increased by increasing the__________?
Curve III in the bellow diagram represents a/an__________?
The main factor on which the behaviour of a mass of fluidised solid depends mainly is the__________?
Umf is the minimum fluidisation velocity for a bed of particles. An increase in the superficial gas velocity from 2 Umf to 2.5 Umf results in (all velocities are smaller than the entrainment velocity of the particles) no change in the__________?
What is the unit of kinematic viscosity in SI unit ?
A rectangular surface 3′ × 4′, has the lower 3 edge horizontal and 6′ below a free oil surface (sp. gr. 0.8). The surface inclination is 300 with the horizontal. The force on one side of the surface is (where, y = specific weight of water) ?
A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun’s equation for the above fluid-particle system (in SI units) is given below: Δ P/L = 375 × 103 VOM + 10.94 × 106 V2 OM (SI units) If water is to be used as the fluidising medium, in actual operation, the above bed has a height = 1 m. What is the porosity of the fluidised bed ?
In power law, δ = [A (du/dy)2 + B] then the fluid is__________?
Drag co-efficient for motion of spherical particles in a stationary fluid in the stoke’s law range is__________?
Terminal velocity is__________?
In case of a centrifugal pump, the theoretical head developed is dependent on the __________ the impeller?
In area meter (e.g., Rotameter), with increase in the fluid flow rate, the__________?
Minimum porosity for fluidisation is__________?
Isothermal turbulent flow of a fluid results in decrease of its pressure, which depends on the__________?
Momentum correction factor used in fluid flow problems accounts for the__________?
A compressor that takes suction at a pressure below atmospheric and discharge against atmospheric pressure is called a __________ pump?
A mixed flow centrifugal pump__________?
Which of the following has the maximum compression ratio ?
For a stable equilibrium of a submerged body (where, G and B are centres of gravity & buoyancy respectively) ?
Volute of a centrifugal pump should be designed in a fashion, such that the__________?
In a stabilised soap bubble, pressure inside it compared to external pressure is__________?
The contraction co-efficient for Borda’s mouthpiece (for frictionless fluid) is__________?
The value of critical Reynolds number for pipe flow is__________?
The range of a particular Rotameter can be increased by__________?
Propellers are__________?
Cavitation occurs in a centrifugal pump when the suction pressure is__________?
Erosion and pits formation on the impeller of a centrifugal pump may be due to__________?
What is the ratio of total kinetic energy of fluid passing per second to the value obtained on the basis of average velocity (for laminar flow through a circular pipe) ?
The curve of metacentre for a floating body __________ the curve of buoyancy?
_____________________ pumps are a group of vacuum pumps ?
A. Hyster
B. Sump
C. Mono
D. Submerged
Correct Answer:
Hyster
✔
Last Updated:
March 10, 2019