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WorksheetsPILOT START MET 1 (ATMOSPHERE)
Total questions: 31
Worksheet time: 23mins
Name
Class
Date
1.
What is the value of the environmental temperature lapse rate assumed by
the ICAO Standard Atmosphere?
a)
1°C / 1 000 feet
b)
1.5°C / 1 000 feet
c)
3°C / 1 000 feet
d)
1.98°C / 1 000 feet
2.
In which atmospheric layer is most of the water vapour contained?
a)
Tropopause
b)
Stratosphere
c)
Troposphere
d)
Stratopause
3.
On a given day, the air temperature at 2000 feet above mean sea-level is
forecast to be 5°C. Compared to the ICAO Standard Atmosphere this is:
a)
ISA -6
b)
ISA +6
c)
ISA +5
d)
ISA -5
4.
Below the Tropopause, the ICAO Standard Atmosphere assumes:
a)
A mean sea-level pressure of 1013.25 hPa and a mean sea-level
temperature of 15°C, decreasing at a rate of 3°C per 1 000 feet until
it reaches -65.6°C at 36 090 feet
b)
A mean sea-level pressure of 1013.25 hPA and a sea-level
temperature of 15°C, decreasing at a rate of 1.98°C per 1 000 feet
until it reaches absolute zero
c)
A mean sea-level pressure of 1013.25 hPA and a sea-level
temperature of 15°C, decreasing by 1.98°C per 1 000 feet up to 36
090 feet
d)
A mean sea-level pressure of 1225 gm/m³ a mean sea-level
temperature of 15°C, decreasing at a rate of 1.5°C per 1 000 feet up
to 36 090 feet
5.
Which of the following statements gives the most correct and complete
description of ISA?
a)
The mean sea-level (MSL) pressure is 1013.25 hPa and the
temperature is +15°C
b)
The MSL pressure is 1013.25 hPa and the temperature is +15°C
with a lapse rate of 1.98°C per 1000 feet
c)
The MSL pressure is 1013.25 mb and the temperature is +15°C with
a lapse rate of 1.98°C per 1000 feet up to 36,090 feet above which
there is frequently an inversion
d)
The MSL pressure is 1013.25 hPa and the temperature is +15°C
with a lapse rate of 1.98°C per 1000 feet up to 36,090 feet
6.
Which of the following options gives the most accurate description of
the constituent gases of the Earth’s atmosphere? (Ignore the variable
concentration of water vapour in the atmosphere.)
a)
Oxygen 21%, Nitrogen 78%, other gases 1%
b)
Oxygen 21%, Hydrogen 78%, other gases 1%
c)
Nitrogen 78%, Argon 21%, Oxygen 1%
d)
Nitrogen 78%, Oxygen 21%, Hydrogen 1%
7.
The layer of the atmosphere closest to the Earth’s surface where the majority
of the weather is found is called the:
a)
Tropopause
b)
Troposphere
c)
Stratosphere
d)
Mesosphere
8.
What is the ISA temperature at 1000 ft?
a)
10
b)
13
c)
12
d)
-4
9.
What is the ISA temperature at 5000 ft?
a)
5
b)
10
c)
-10
d)
-5
10.
What is the ISA temperature at 12 000 ft?
a)
6
b)
-6
c)
-9
d)
9
11.
What is the ISA temperature at 15 000 ft?
a)
15
b)
-15
c)
10
d)
-10
12.
What is the ISA temperature at 24 000 ft?
a)
8
b)
-8
c)
33
d)
-33
13.
Find the ISA deviation when the outside air temperature at 13000 ft is 0 Celcius degree
a)
11
b)
-11
c)
16
d)
-16
14.
Find the ISA deviation when the outside air temperature at 8500 ft is +12 Celcius degree
a)
-14
b)
14
c)
-10
d)
10
15.
Find the ISA deviation when the outside air temperature at 21000 ft is -15 Celcius degree
a)
-12
b)
12
c)
-8
d)
8
16.
Find the ISA deviation when the outside air temperature at 4500 ft is -4 Celcius degree
a)
-10
b)
10
c)
3
d)
-3
17.
Find the ISA deviation when the outside air temperature at 4500 ft is +12 Celcius degree
a)
-6
b)
4
c)
6
d)
-4
18.
What is the pressure height from 1013 hpa? given strip elevation is 1500ft, QNH 1030 Hpa.
a)
990 ft
b)
2010 ft
c)
1500 ft
d)
800 ft
19.
What is the pressure height from 1013 hpa? given strip elevation is 2100ft, QNH 1002 Hpa.
a)
2000 ft
b)
2430 ft
c)
430 ft
d)
0 ft
20.
What is the pressure height from 1013 hpa? given strip elevation is 850ft, QNH 1028 Hpa.
a)
-400 ft
b)
-1300 ft
c)
1300 ft
d)
400 ft
21.
What is the pressure height from 1013 hpa? given strip elevation is 210ft, QNH 1030 Hpa.
a)
+300 ft
b)
+600 ft
c)
-300 ft
d)
-600 ft
22.
What is the pressure height from 1013 hpa? given strip elevation is 3150ft, QNH 993 Hpa.
a)
3750 ft
b)
-2550 ft
c)
2550 ft
d)
-3750 ft
23.
What is the pressure height from 1013 hpa? given strip elevation is at sea level, QNH 1025 Hpa.
a)
61140ft
b)
360ft
c)
-360ft
d)
0 ft
24.
What is ISA temperature (Celcius degree) at 5000 ft?
a)
5
b)
9
c)
2
d)
-5
25.
What is ISA temperature (Celcius degree) at 23000 ft?
a)
-20
b)
-31
c)
20
d)
31
26.
What is ISA temperature (Celcius degree) at 14000 ft?
a)
13
b)
-13
c)
20
d)
-20
27.
What is ISA temperature (Celcius degree) at 25000 ft?
a)
-35
b)
35
c)
-10
d)
10
28.
What is the ISA deviation if pressure height is 6000 ft and its actual temperature is 20 Celcius degree?
a)
-17
b)
6
c)
-6
d)
17
29.
What is the ISA deviation if pressure height is 12000 ft and its actual temperature is 0 Celcius degree?
a)
9
b)
15
c)
-9
d)
-15
30.
What is the ISA deviation if pressure height is 3000 ft and its actual temperature is 30 Celcius degree?
a)
-21
b)
10
c)
21
d)
-10
31.
What is the ISA deviation if pressure height is 2000 ft and its actual temperature is 2 Celcius degree?
a)
9
b)
5
c)
-9
d)
-5
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