A. gm/cm2. sec
B. gm/cm. sec
C. cm2/sec
D. m2/sec
Correct Answer: gm/cm. sec ✔
Last Updated: March 09, 2019
Related MCQs
- With increase in molecular weight of the gas, the head developed by a centrifugal compressor will__________?
- In case of a pipe exit fitted with a nozzle, the__________?
- Which of the following can be used to create a flow of gas, where no significant compression is required ?
- The ratio of inertial forces to viscous forces is called the __________ number?
- In laminar flow through a round tube, the discharge varies __________?
- Fanning friction factor for laminar flow of fluid in a circular pipe is__________?
- A hydraulic accumulator comprises of__________?
- A pump operating under specific conditions delivers insufficient quantity of liquid. This may be set right by__________?
- The ratio of pressure forces to inertial forces is called the __________ number?
- In case of turbulent flow of fluid through a circular pipe, the __________?
- The ratio of the depth of flow to the diameter of the channel for maximum discharge in a circular channel in open channel flow is__________?
- Forces acting on a particle settling in fluid are __________ forces?
- Fluid resistance to shear depends upon its__________?
- Which of the following relationship is valid for the equilibrium position of the float in a Rotameter? (Where, Df= Drag force on the float Bf = Buoyant force on the float Wf = Weight of the float)?
- The equation relating friction factor to Reynold number, f-0.5 = 4 loge (NRe/√f)-0.4, is called the __________ equation?
- Applicability of Bernoulli’s equation is limited to a/an __________ fluid, that does not exchange shaft work with the surroundings?
- Potential flow is characterised by the__________?
- Viscosity of water at 40°C lies in the range of__________?
- Prandtl mixing length is__________?
- The pressure co-efficient is the ratio of pressure forces to __________ forces?
- In magnetic flow meters, voltage generation is__________?
- Which of the following is a Newtonian fluid ?
- In which of the following body shapes, the pressure drag is large compared to the friction drag ?
- Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor?
- When the water is warm, the height to which it can be lifted by a pump__________?
- In centrifugal pumps, cavitation occurs, when pressure of the impeller eye or vane becomes__________?
- Which of the following is the most common pump for pumping either raw sewage or sludge ?
- In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow ?
- The boundary layer is that part of a moving fluid, in which the fluid velocity is__________?
- For turbulent flow of an incompressible fluid through a pipe, the flow rate „Q‟ is proportional to (Δ P)n, where ΔP is the pressure drop. The value of exponent ‘n’ is__________?
- What is the value of Fanning friction factor f ‘ for smooth pipe at NRe = 106 approximately ?
- In the complete turbulence zone (in rough pipes), the__________?
- Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around__________?
- Equivalent length of a pipe fitting is__________?
- In deriving Bernoulli’s equation, fluid is assumed to be__________?
- Self-priming centrifugal pump can be used for__________?
- Discharge in laminar flow through a pipe varies__________?
- 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 new discharge will be __________ litres/minute ?
- Which of the following is most prone to pulsating discharge flow ?
- I.D. of 1/4″ schedule 40 pipe is 0.364″. I.D. of a 1/2″ schedule 40 pipe would be __________ inch?
- Slurries can be most conveniently pumped by a __________ pump?
- Poise is converted into stoke by __________?
- A tube is specified by its__________?
- In parallel pipe problems, the__________?
- In Newton’s law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is__________?
- For turbulent flow of Newtonian fluid in a circular cross-section pipe, the ratio of maximum to average fluid velocity is __________?
- What is the shear rate at the pipe wall, in case of laminar flow of Newtonian fluids in a pipe of diameter ‘D’ & length ‘L’ incurring a pressure drop ‘Δp’ with average velocity ‘Vavg’ ?
- For laminar flow of Newtonian fluid in a circular pipe, the velocity distribution is a function of the distance ‘d’ measured from the centre line of the pipe, and it follows a __________ relationship?
- For laminar flow of a fluid through a packed bed of spheres of diameter d, the pressure drop per unit length of bed depends upon the sphere diameter as__________?
- Which is the most efficient and best for measuring very small flow rate of gases ?
- Newton’s law of viscosity relates the__________?