Air Density

Question 1

Density is …….. at poles than equator

Answer 1

》(a)Higher
(b) Lower
(c) Same

Question 2

Above 8 km density is ……. at poles than at equator

Answer 2

(a)Higher
》(b) Lower
(c) Same

Question 3

The altitude in ISA at which air density is the same as the observed density is

Answer 3

》(a) Density Altitude
(b) ISA Density
(c)Real Density

Question 4

Density is usually expressed as..

Answer 4

(a) Kg/sq m
》(b) g/cu m
(c) N/sq m

Question 5

Higher density altitude means……. density

Answer 5

(a) Higher
》(b) Lower
(c) Same

Question 6

For given pressure and temperature moist air has ……. density

Answer 6

(a) Higher
》(b) Lower
(c) Same

Question 7

Air is less denser in
(a) High Altitudes
(b) Warm Air
(c) High humidity
(d) All these

Answer 7

(a) High Altitudes
(b) Warm Air
(c) High humidity
》(d) All these

Question 8

Density altitude may be defined as:

Answer 8

(a) The altitude in ISA at which the prevailing pressure occurs
》(b) The altitude in ISA at which the prevailing density occurs.
(c) The altitude in actual atmosphere at which the prevailing density occurs.

Question 9

Temperature being constant, if pressure increases the density altitude…….

Answer 9

》(a) increases
(b) lowers
(c) remains the same

Question 10

For every 1°C change in temperature, density altitude differs from pressure altitude by

Answer 10

(a) 33 f
(b) 100 ft
》(c) 120 ft
(d) 210 ft