FM CH 1 Flashcards

1
Q

Saturation Vapour Pressure if func of

A

temp and type of liq

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

cavitation occurs

A

actual pressure> saturation pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

cavitation increase

A

temp increase
pressrure dec
elevation inc
velocity inc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

k?

A

change in pressure/volumetric strain
(bulk modulus)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

k formula

A

density*(d(PRESSURE)/d(density))

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

isothermal k

A

= pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

adiabatic k

A

= pressure*adiabatic constant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

dynamic viscosity

A

pa sec
Ns/m sq

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

torque formula `

A

(pidynamic viscositywR power 4)/2thickness

w in rad/sec

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

w =?

A

2piN/60

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

relation bet dyn vis of water and air

A

water=55*air

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

dialatant

A

sugar sol in water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

bingham

A

toothpaste
seewage sludge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

psuedoplastic

A

paint ,blood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

rheopectic

A

gypsum paste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

thixotropic

A

printer ink,ketchup

17
Q

newtonian

A

air,water

18
Q

power

A

touvelocityarea
torque(T)*w

18
Q

T..TORQUE

A

FORCE*RADIAL DISTANCE

19
Q

surface tension

A

due to cohesion

20
Q

temp increases

A

surface Tension decreases as cohesion decreases

20
Q

addition of detergent

A

reduces ST

21
Q

ST FORMULA

A

increase in surface energy/increase in surface area

force/lenght

21
Q

pressure inside droplet

A

p=4*ST/dia

22
Q

liquid jet

A

p=2*ST/dia

22
Q

capillarity occurs due to

A

ST
Adhesion

23
Q

soap bubble

A

p= 8*ST/dia

23
Q

force applied to stop movable water

A

ST=force/2*b

24
Q

where pressure is high

A

concave side

25
Q

capillarity rise

A

h=(4STcos(theta))/sp wt*dia

26
Q

h in ll plate

A

h=2STcos()/(st wt* thickness)

26
Q

h in annular space

A

h=4STcos)/(do-di)*gamma