Post on 05-Jul-2018
8/16/2019 Atmosfera OCR
1/4
You scored 0 which is below the pass mark. You can retake the 13 question(s)
that you got wrong.
Question
56
(in database)
Complete the following statement. In the ICAO Standard Atmosphere (ISA), as altitude increases
in the Troposphere, pressure:
a) also increases.
b) decreases.
c) stays the same.
d will not
be
affected as pressure is independent of altitude.
The correct answer is b.
Question 52 (in database)
Complete the following statement. At altitude the pressure
of
oxygen in the atmosphere is :
a) the same as at mean sea level (MSL).
b) higher than at MSL
c) lower than at MSl.
d) unaffected, as partial pressure is independent of altitude.
The correct answer is c.
Question
55
(in database)
Complete the following statement. In the ICAO Standard Atmosphere (ISA), as altitude increases
in
the Troposphere, temperature:
a) also increases.
b) decreases.
c) stays the same.
d
will not
be
affected as it
is
independent
of
altitude.
The correct answer is
b.
Question 163 (in database)
In the Earth s Atmosphere, how does the proportion of Oxygen in the air change with altitude?
a) As altitude increases, the proportion
of
Oxygen
in
the air decreases.
b) As altitude increases, the proportion of Oxygen in the air increases.
c) There
is
no change
in
the proportion of Oxygen
in
the air with changing altitude . It remains
constant throughout the Atmosphere.
d
In the Troposphere, the proportion of Oxygen
in
the air decreases with increasing altitude, but
remains constant throughout the Stratosphere.
The correct answer is c.
8/16/2019 Atmosfera OCR
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Question 58
in
database)
Complete the following statement. In the ICAD Standard Atmosphere (ISA),
as
altitude increases
in
the Stratosphere, temperature:
a) also increases.
b) decreases.
c) fluctuates between positive and negative temperatures.
d) remains almost constant at· 6 degrees Celsius.
The correct answer is d.
Question 57 in database)
Complete the following statement. In the ICAD Standard Atmosphere (ISA), as altitude increases
in
the Troposphere, air density:
a) decreases.
b) also increases.
c) stays the same.
d) will not
be
affected as air density is independent of altitude.
Th
e correct answer is a.
Question
50
(in database)
Complete the following statement. Air in the atmosphere is made up of:
a) Nitrogen (78%), Oxygen (21%), Carbon Dioxide (0.03%) and Hydrogen (1%).
b) Nitrogen (78)%, Oxygen (21°,,), Carbon Dioxide (0.03%) and Argon (1%).
c) Nitrogen (1%), Oxygen (78%), Carbon Dioxide (21%) and Argon (0.03%).
d) Nitrogen (21%), Oxygen (0.03%), Carbon Dioxide (78%) and Argon (1%).
The correct answer is
b.
Question 5 (in database)
Complete the following statement. At altitude, the volumetric proportion of oxygen in the
atmosphere is:
a) the same as at mean sea level
MSl).
b
higher than at
MSl.
cl lower than at
MSl.
d) dependent
on
the actual altitude.
The correct answer is a.
I
8/16/2019 Atmosfera OCR
3/4
Question 49 in database)
tn which layer or layers of the atmosphere do conventional aircraft fly?
i. The Troposphere
ii . The Stratosphere
iii. The Ionosphere
a i
and ii.
b) ii and
iii.
cl i
and iii.
d i only.
The correct answer
is
a.
Question 53 in database)
Complete the following statement. The ICAD Standard Atmosphere ISA) sea-level pressure is
equal to:
a) 1013.25 mb.
b) 1014.00 mb.
c)
1014.25 Hpa.
d 50 inches of mercury.
The correct answer is a.
Question 164 in database)
At what altitude will atmosph eric pressure be approximately half that at sea-level?
a) 36,000 ft.
b 18 ,000 ft.
cl 1 ,
ft
.
d 8 ft.
The correct answer is b.
8/16/2019 Atmosfera OCR
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Quest
io
n 141 in database)
As an unpressurised aircraft climbs the amount of oxygen available to the pilot decreases
because of:
a) a decrease
in
atmospheric pressure.
b) a decrease in atmospheric temperature.
c) a decrease in the proportion of oxygen in the atmosphere .
d an increase in the proportion of nitrogen in the atmosphere.
The correct answer is
a.
Question 54 (in database)
Complete the following statement. If the atmospheric pressure decreases, the partial pressure
of
the oxygen
in
the atmosphere will:
11
incrp.II ,;p..
b) decrease.
c) stay the same.
d not be alfecled as it is independent
of
atmospheric pressure.
The oorrect answer is
b.