fm ch 2 measuement of pressure

Question 1

1 bar

Answer 1

10 power 5 Pa

Question 2

pressure head

Answer 2

P/ Sp Wt

Question 3

vaccum pressure

Answer 3

-Pgauge

Question 3

1 kgf/cm sq

Answer 3

9.81 N/cm sq

Question 3

Absolute pressure

Answer 3

Patm + Pgauge

Question 4

pressure formula

Answer 4

densitygh

Question 4

what is pascal law

Answer 4

pressure at a point in fluid in rest or rigid body motion is same in all direction

Question 5

small and moderate change in elevation is neglegiable for

Answer 5

gases

Question 6

peizometer is not used for

Answer 6

large pressure
gas pressure
negative pressure

Question 6

pressure depends only on

Answer 6

depth of container

Question 6

pressure applied to confined tube

Answer 6

increases the pressure by same amount

Question 7

u tube manometer

Answer 7

measures large pressure and negative pressure

Question 8

desirable properties of manometric fluid

Answer 8

it should be
immisable liquid
small thermal coeffcient
vapour pressure should be very low

Question 8

percentage error

Answer 8

write the formula in copy and check it…its imp
100/(1+[(G2/G2+G1)]*(A/a))

Question 9

(Pa/gamma)+za - (Pb/gamma)+zb

Answer 9

(G2/G1 - 1)x…for normal
( 1 - G2/G1)x…for inverted

Question 10

micromanometer

Answer 10

measurement of very small pressure difference
high precision