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
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

Absolute roughness

Friction co-efficient for flows at equal Reynold number

All of these

Relative roughness

Absolute roughness

Friction co-efficient for flows at equal Reynold number

All of these

Relative roughness

ANSWER DOWNLOAD EXAMIANS APP

Fluid Mechanics
Transition from laminar flow to turbulent flow is aided by the

All of these

Pressure gradient and the compressibility of the flowing medium

Surface roughness and curvature (i.e.sharp corners)

Vibration

All of these

Pressure gradient and the compressibility of the flowing medium

Surface roughness and curvature (i.e.sharp corners)

Vibration

ANSWER DOWNLOAD EXAMIANS APP

Fluid Mechanics
The terminal velocity of a small sphere settling in a viscous fluid varies as the

Inverse square of the diameter

First power of its dimeter

Square of the difference in specific weights of solid & fluid

Inverse of the fluid viscosity

Inverse square of the diameter

First power of its dimeter

Square of the difference in specific weights of solid & fluid

Inverse of the fluid viscosity

ANSWER DOWNLOAD EXAMIANS APP

Fluid Mechanics
The hydrodynamic and thermal boundary layers will merge, when

Archimedes number is greater than 10000

Schmidt number tends to infinity

Prandtl number is one

Nusselt number tends to infinity

Archimedes number is greater than 10000

Schmidt number tends to infinity

Prandtl number is one

Nusselt number tends to infinity

ANSWER DOWNLOAD EXAMIANS APP

Fluid Mechanics
Unsteady uniform flow is represented by flow through a/an

Expanding tube at increasing rate

Long pipe at decreasing rate

Expanding tube at constant rate

Long pipe at constant rate

Expanding tube at increasing rate

Long pipe at decreasing rate

Expanding tube at constant rate

Long pipe at constant rate

ANSWER DOWNLOAD EXAMIANS APP

Fluid Mechanics
Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small.

Thermal conductivity

Electrical resistivity

Electrical conductivity

Specific gravity

Thermal conductivity

Electrical resistivity

Electrical conductivity

Specific gravity

ANSWER DOWNLOAD EXAMIANS APP

Fluid Mechanics

Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the

Fluid Mechanics The terminal velocity of a small sphere settling in a viscous fluid varies as the

Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when

Fluid Mechanics Unsteady uniform flow is represented by flow through a/an

Fluid Mechanics Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small.

Fluid Mechanics
Transition from laminar flow to turbulent flow is aided by the

Fluid Mechanics
The terminal velocity of a small sphere settling in a viscous fluid varies as the

Fluid Mechanics
The hydrodynamic and thermal boundary layers will merge, when

Fluid Mechanics
Unsteady uniform flow is represented by flow through a/an

Fluid Mechanics
Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small.