CURRENT AFFAIRS - JULY 2020 QUIZ

only when the fluid is incompressible and has zero viscosity

irrespective of the motion of one fluid layer relative to an adjacent layer

When there is no motion of one fluid layer relative to an adjacent layer

only when the fluid is frictionless

Pirani Gauge

ionisastion gauge

Micro-manometer

Bourdon tube

specific weight

specific gravity

specific volume

specific speed

1/3 R

3/4 R

2/3 R

1/2 R

(ii) and (iv)

(i) and (iv)

(ii) and (iii)

(i) and (iii)

e.g. of body

center of buoyancy

metacentre

center of pressure

None of these

is of theoretical interest

has constant viscosity

is incompressible

inversely proportional to Reynolds number and directly proportional to pipe wall roughness

directly proportional to Reynolds number and independent of pipe wall roughness

directly proportional to pipe wall roughness and independent of Reynolds number

inversely proportional to Reynolds number and indpendent of pipe wall roughness

None of these

always below the centroid of the area

always above the centroid of the area

at the centroid of the submerged area

uniform flow

incompressible flow

frictionless flow

steady flow