Chapter 4 Density

Question 1

Density

Answer 1

It is the amount of air molecules in a unit volume

Question 2

Density ALTITUDE

Answer 2

It is height above MSL at which the atmosphere density occurs in ISA

Question 3

Pressure ALTITUDE and density ALTITUDE has

Answer 3

Equal value

Question 4

With constant temperature,if pressure ____ density ALTITUDE _____

Answer 4

Increase, increase

Question 5

_____ air has less Density
_____ air has more Density

Answer 5

Warm air , cold air

Question 6

Density ALTITUDE will be higher if the atmosphere is _______ than ISA

Answer 6

Warmer

Question 7

If temp increase density will

Answer 7

Decreases

Question 8

1°c temperature deviation from ISA is Equal to

Answer 8

120ft

Question 9

If the temperature is less than ISA

Answer 9

Then the density ALTITUDE will be less than pressure ALTITUDE

Question 10

Density falls 1% for

Answer 10

Fall 11hpa
Increase in temp by 3°c
Increase in height by 300 feet

Question 11

If air is ½ by 6km then what happens to pressure and density

Answer 11

It is halfed

Question 12

Moist air is ___ denser than dry air

Answer 12

Less

Question 13

Surface value for density

Answer 13

½ at 6km
¼ at 11km
⅛ at 17 km

Question 14

Density lapse rate

Answer 14

120 feet for 1 g/m³

Question 15

A/c performance for low cruiser and high level cruiser

Answer 15

For low it is good if it flys over high lat and for high cruiser it is good if it flys over equator like above 8 km