Chap#06 Fluid Dynamics Flashcards
1
Q
The velocity of falling raindrops attains limited value because of :
A
Up thrust of air
2
Q
The terminal velocity of a small size spherical body of radius R moving in a fluid varies as:
A
R^2
3
Q
Bernoulli’s equation is based on the law o conservation:
A
Energy
4
Q
The surface tension of water is due to the:
A
Intermolecularattractions
5
Q
A person standing near the track of a fast-moving train has a tendency to fall towards it because of:
A
The high speed of the train
6
Q
Ball pen functions on the principle of:
A
Viscosity
7
Q
With the increase in temperature viscosity:
A
Decrease
8
Q
According to Stoke’s law, drag force depends on:
A
Instantaneous Velocity
9
Q
The smooth or steady stream-line flow is known as:
A
Laminar Flow
10
Q
Blood has a density:
A
Equal to water
