The most serious disadvantage of an orificemeter is that________________?

Byadmin March 9, 2019August 27, 2021

The most serious disadvantage of an orificemeter is that________________?

A. It is not very accurate
B. It is very costly
C. Most of the pressure drop is not recoverable
D. It is not suitable for measuring gas flow

Fluid Mechanics for Chemical

A pressure head of 320 metres of water in meters of CCl4 (sp.gr = 1.6) will be__________________?

A pressure head of 320 metres of water in meters of CCl4 (sp.gr = 1.6) will be__________________?

A. 100
B. 200
C. 320
D. 160

Read More A pressure head of 320 metres of water in meters of CCl4 (sp.gr = 1.6) will be__________________?
Fluid Mechanics for Chemical

A floating/submerged body is always stable, if its centre of gravity___________________?

A floating/submerged body is always stable, if its centre of gravity___________________?

A. Lies above its centre of buoyancy
B. And centre of buoyancy coincide
C. Lies below its centre of buoyancy
D. Lies above its metacentre

Read More A floating/submerged body is always stable, if its centre of gravity___________________?
Fluid Mechanics for Chemical

Which of the following is not a dimension-less parameter ?

Which of the following is not a dimension-less parameter ?

A. Pressure-co-efficient
B. Froude number
C. Kinematic viscosity
D. Weber number

Read More Which of the following is not a dimension-less parameter ?
Fluid Mechanics for Chemical

Reynolds number is the ratio of____________________?

Reynolds number is the ratio of____________________?

A. Viscous forces to gravity forces
B. Inertial forces to viscous forces
C. Viscous forces to inertial forces
D. Inertial forces to gravity forces

Read More Reynolds number is the ratio of____________________?
Fluid Mechanics for Chemical

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___________________?

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___________________?

A. Relative roughness
B. Absolute roughness
C. Friction co-efficient for flows at equal Reynold number
D. All A., B. & C.

Read More 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___________________?
Fluid Mechanics for Chemical

Newton’s law of viscosity relates the____________________?

Newton’s law of viscosity relates the____________________?

A. Shear stress and velocity
B. Velocity gradient and pressure intensity
C. Shear stress and rate of angular deformation in a fluid
D. Pressure gradient and rate of angular deformation

Read More Newton’s law of viscosity relates the____________________?

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