A. Q = Q1 + Q2 + Q3
B. V1 = V2 = V3
C. Q1 = Q2 = Q3
D. f = f1 + f2 + f3
Correct Answer: Q = Q1 + Q2 + Q3 ✔
Last Updated: March 10, 2019
Related MCQs
- The valve used for very remote and accurate control of fluid is a __________ valve?
- For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of__________?
- Capacity of a rotary gear pump can be varied by__________?
- The vent valve provided in a liquid handling centrifugal pump is__________?
- Paper pulp is an example of __________ fluid?
- Drag is the force component exerted on an immersed object, ?
- The most serious disadvantage of an orificemeter is that__________?
- Boundary layer exists in flow__________?
- The capillary rise of mercury is maximum in glass tube of dia __________ mm?
- Laminar flow is characterised by the nonexistence of__________?
- The maximum depth from which a centrifugal pump can draw water is__________?
- The pressure and power requirement of a gas fan at constant speed & capacity varies __________ the gas density?
- A centrifugal pump designed to pump water is employed to pump a more viscous oil. In the later case, the pump__________?
- A 2″ gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is__________?
- The co-efficient of discharge of an orificemeter is a function of __________?
- A streamline is a line in flow field __________?
- Bernoulli’s equation for steady, frictionless, continuous flow states that the __________ at all sections is same?
- In turbulent flow, the__________?
- Check valve is used for __________ flow?
- Froude number is not a factor__________?
- To handle smaller quantity of fluid at higher discharge pressure, use a __________ pump?
- The discharge through a rectangular weir varies as __________?
- A Venturimeter measures the__________?
- In an incompressible flow of fluid, the fluid __________?
- An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonian fluid beyond yield stress. Which of the following is an ideal plastic ?
- In which of the following cases, it is possible for flow to occur from low pressure to high pressure ?
- Two piping system are said to be equivalent, when the __________ are same?
- Ratio of inertial forces to surface tension forces is called the __________ number?
- Normal depth in open channel flow is the depth of flow in the channel __________?
- Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?
- __________ flow means the flow of incompressible fluid with no shear ?
- Centrifugal pump can’t be used to pump __________?
- A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of __________ shape?
- An ideal fluid is__________?
- __________ is an example of axial flow impeller?
- The distance between metacentre and __________ is called metacentric height?
- Enamels and paints are generally __________ fluid?
- 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, then the new head will be __________ metres?
- The Reynolds number for an ideal fluid flow is __________?
- For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance) ?
- The time of oscillation of a floating body is __________?
- The fluid velocity varies as the square of the cylindrical pipe diameter, in case of steady state laminar flow at constant pressure drop, for __________ fluid?
- Vane anemometer __________?
- Diaphragm valves are used for handling __________ fluids?
- Correction for capillary effect in manometers (used for pressure measurement) need not be applied, if diameter of the manometer tube is __________ mm?
- Which of the following conditions must be satisfied for lift force to be developed ?
- Boundary layer separation is caused by the __________?
- A floating/submerged body is always stable, if its centre of gravity__________?
- Which of the following is dimensionless ?
- The distribution of shear stress in a stream of fluid in a circular tube is__________?
- The ratio of actual discharge to theoretical discharge through an orifice is equal to__________?