Mock Test 4: Full DGCA Meteorology (50 MCQs)

1.005 kg/m³

Correct Incorrect Correct answer

1.125 kg/m³

Correct Incorrect Correct answer

1.225 kg/m³

Correct Incorrect Correct answer

1.325 kg/m³

Correct Incorrect Correct answer

Continues to decrease at 6.5°C/1000 m

Correct Incorrect Correct answer

Remains constant at -56.5°C

Correct Incorrect Correct answer

Increases at 3°C/1000 m

Correct Incorrect Correct answer

Decreases at 9.8°C/1000 m

Correct Incorrect Correct answer

QNH

Correct Incorrect Correct answer

QNE

Correct Incorrect Correct answer

QFE

Correct Incorrect Correct answer

Standard pressure 1013.25 hPa

Correct Incorrect Correct answer

The level at which an air parcel first becomes absolutely unstable

Correct Incorrect Correct answer

The base of cumulus cloud formed by convective lifting

Correct Incorrect Correct answer

The altitude of maximum wind shear

Correct Incorrect Correct answer

The level at which condensation is complete

Correct Incorrect Correct answer

Increasing PGF aloft

Correct Incorrect Correct answer

The Ekman spiral — decreasing friction allows Coriolis to restore geostrophic direction

Correct Incorrect Correct answer

Increasing temperature above inversions

Correct Incorrect Correct answer

The thermal wind effect from cooling with altitude

Correct Incorrect Correct answer

Only reduces visibility

Correct Incorrect Correct answer

Reduces visibility AND causes rapid clear ice accretion on aircraft surfaces

Correct Incorrect Correct answer

Produces heavy rain below the fog layer

Correct Incorrect Correct answer

Forms only above FL100

Correct Incorrect Correct answer

5-10 kt

Correct Incorrect Correct answer

20-30 kt

Correct Incorrect Correct answer

Up to 100 kt

Correct Incorrect Correct answer

150-200 kt

Correct Incorrect Correct answer

Remove thick ice from aircraft before flight

Correct Incorrect Correct answer

Provide anti-icing holdover time after de-icing — longer than Type I

Correct Incorrect Correct answer

Deice runways

Correct Incorrect Correct answer

Cool turbine engines after flight

Correct Incorrect Correct answer

Northwest India — Punjab and Rajasthan

Correct Incorrect Correct answer

Northeast India — Assam and Meghalaya

Correct Incorrect Correct answer

Southeastern India — Tamil Nadu and parts of Andhra Pradesh

Correct Incorrect Correct answer

Central India — Maharashtra and Madhya Pradesh

Correct Incorrect Correct answer

Gradient wind ignores the Coriolis force

Correct Incorrect Correct answer

Gradient wind accounts for centripetal acceleration in curved flow around pressure systems

Correct Incorrect Correct answer

Geostrophic wind applies only at the surface

Correct Incorrect Correct answer

Geostrophic wind only applies in the tropics

Correct Incorrect Correct answer

Clear, cold conditions with no icing aloft

Correct Incorrect Correct answer

Freezing rain aloft — the pellets have re-frozen after passing through a sub-zero layer

Correct Incorrect Correct answer

Snow changing to rain — improving conditions

Correct Incorrect Correct answer

Hail from a cumulonimbus nearby

Correct Incorrect Correct answer

Wind 050° at 9 kt

Correct Incorrect Correct answer

Temperature -5°C, dew point -9°C

Correct Incorrect Correct answer

Visibility 500 m, cloud at 900 ft

Correct Incorrect Correct answer

Missing temperature data — sensor malfunction

Correct Incorrect Correct answer

850 hPa (approx FL050)

Correct Incorrect Correct answer

700 hPa (approx FL100)

Correct Incorrect Correct answer

500 hPa (approx FL180)

Correct Incorrect Correct answer

200 hPa (approx FL390)

Correct Incorrect Correct answer

Smooth soaring conditions for gliders

Correct Incorrect Correct answer

Lenticular clouds that are stable and harmless

Correct Incorrect Correct answer

Extreme turbulence and strong vertical winds — most dangerous zone

Correct Incorrect Correct answer

Icing conditions only above FL250

Correct Incorrect Correct answer

Route directly through the jet core for tailwind benefit

Correct Incorrect Correct answer

Route south of the jet to avoid headwinds on a westbound track (in NH)

Correct Incorrect Correct answer

Climb above the jet core to FL450

Correct Incorrect Correct answer

Descend below FL300 to avoid the jet

Correct Incorrect Correct answer

Turbulence and rain

Correct Incorrect Correct answer

Thunderstorm with rain

Correct Incorrect Correct answer

Temperature shift and rain

Correct Incorrect Correct answer

Tropical storm rain

Correct Incorrect Correct answer

ELR is between SALR and DALR

Correct Incorrect Correct answer

ELR is greater than DALR

Correct Incorrect Correct answer

ELR is less than SALR — displaced parcel always returns to original level

Correct Incorrect Correct answer

ELR equals the ISA standard lapse rate

Correct Incorrect Correct answer

Clockwise when viewed from above

Correct Incorrect Correct answer

Anticlockwise when viewed from above (NH cyclonic)

Correct Incorrect Correct answer

In the same direction as a mid-latitude anticyclone

Correct Incorrect Correct answer

Randomly depending on sea surface temperature

Correct Incorrect Correct answer

TAF at destination

Correct Incorrect Correct answer

SIGMET from MWO

Correct Incorrect Correct answer

PIREPs from other aircraft

Correct Incorrect Correct answer

Upper wind charts issued 12 hours earlier

Correct Incorrect Correct answer

Troposphere

Correct Incorrect Correct answer

Mesosphere

Correct Incorrect Correct answer

Thermosphere

Correct Incorrect Correct answer

Stratosphere

Correct Incorrect Correct answer

The air parcel is always unstable regardless of moisture

Correct Incorrect Correct answer

The air is stable when dry but unstable once saturated (ELR between SALR and DALR)

Correct Incorrect Correct answer

The air is always stable even when saturated

Correct Incorrect Correct answer

Stability depends only on wind speed

Correct Incorrect Correct answer

Read higher than actual altitude — terrain clearance is safe

Correct Incorrect Correct answer

Read lower than actual altitude — aircraft is higher than indicated (safe)

Correct Incorrect Correct answer

Read correctly — QNH changes have no effect in cruise

Correct Incorrect Correct answer

Have the altimeter freeze at the last setting

Correct Incorrect Correct answer

64 kt

Correct Incorrect Correct answer

96 kt

Correct Incorrect Correct answer

120 kt

Correct Incorrect Correct answer

137 kt

Correct Incorrect Correct answer

It produces the heaviest hail

Correct Incorrect Correct answer

The CB is hidden within stratiform cloud layers — no visual warning for pilots

Correct Incorrect Correct answer

It occurs only at night

Correct Incorrect Correct answer

It only affects supersonic aircraft

Correct Incorrect Correct answer

Unverified upper air observation

Correct Incorrect Correct answer

Urgent PIREP — filed for severe weather conditions (severe turbulence, severe icing)

Correct Incorrect Correct answer

Usual upper atmosphere report

Correct Incorrect Correct answer

Undetermined urgency — awaiting clarification

Correct Incorrect Correct answer

Overcast sky, moderate wind

Correct Incorrect Correct answer

Clear sky, light wind

Correct Incorrect Correct answer

High humidity and strong wind

Correct Incorrect Correct answer

Tropical cloud cover

Correct Incorrect Correct answer

The jet stream axis

Correct Incorrect Correct answer

The freezing level at FL180

Correct Incorrect Correct answer

The rain/snow boundary at the surface in frontal systems

Correct Incorrect Correct answer

The tropical tropopause height

Correct Incorrect Correct answer

At the Earth's surface — warmer ground, cold air above

Correct Incorrect Correct answer

Aloft — temperature increases with altitude in the inversion layer

Correct Incorrect Correct answer

At the tropopause only

Correct Incorrect Correct answer

Only over the oceans in summer

Correct Incorrect Correct answer

Cold frontal passage in winter

Correct Incorrect Correct answer

Rapid convective lifting ahead of pre-monsoon thunderstorms in hot, dry conditions

Correct Incorrect Correct answer

Orographic lifting over the Aravalli Range

Correct Incorrect Correct answer

Tropical cyclone approach from the Arabian Sea

Correct Incorrect Correct answer

Visual separation from cloud

Correct Incorrect Correct answer

IFR flight and rely on instruments — use ILS, VOR, NDB for navigation

Correct Incorrect Correct answer

VFR weather minima (1,000 ft ceiling, 3 NM visibility)

Correct Incorrect Correct answer

SVFR clearance only

Correct Incorrect Correct answer

An upslope wind generated by solar heating of mountain slopes during the day

Correct Incorrect Correct answer

A cold dense air drainage wind flowing downhill at night

Correct Incorrect Correct answer

A sea breeze modified by orographic terrain

Correct Incorrect Correct answer

An upper-level jet flowing down from the stratosphere

Correct Incorrect Correct answer

More than 60 minutes

Correct Incorrect Correct answer

Less than 60 minutes and occur in less than 50% of the period

Correct Incorrect Correct answer

Exactly 30 minutes

Correct Incorrect Correct answer

More than 30 minutes continuously

Correct Incorrect Correct answer

Cold air below -10°C and low humidity

Correct Incorrect Correct answer

Ambient temperature +10°C to +25°C with moderate to high humidity at reduced power

Correct Incorrect Correct answer

Clear air above FL200 with standard humidity

Correct Incorrect Correct answer

High power setting and ambient temperature +35°C

Correct Incorrect Correct answer

Sea to land

Correct Incorrect Correct answer

Warmer valley to cooler hilltop

Correct Incorrect Correct answer

Cooler hilltop to warmer valley (cold dense air drains downhill)

Correct Incorrect Correct answer

Equator toward poles

Correct Incorrect Correct answer

8,000 m (26,247 ft)

Correct Incorrect Correct answer

11,000 m (36,089 ft)

Correct Incorrect Correct answer

16,000 m (52,000 ft)

Correct Incorrect Correct answer

20,000 m (65,617 ft)

Correct Incorrect Correct answer

Variable visibility 300 m

Correct Incorrect Correct answer

Very low visibility 3,000 m

Correct Incorrect Correct answer

Vertical visibility 300 ft — sky obscured

Correct Incorrect Correct answer

Variable wind 3 kt

Correct Incorrect Correct answer

Warm front moves faster than cold front

Correct Incorrect Correct answer

Cold front moves faster than warm front, leading to occlusion

Correct Incorrect Correct answer

They always move at the same speed

Correct Incorrect Correct answer

Speed depends only on sea surface temperature

Correct Incorrect Correct answer

The northeast monsoon

Correct Incorrect Correct answer

The winter subtropical jet

Correct Incorrect Correct answer

The southwest monsoon onshore flow

Correct Incorrect Correct answer

Bay of Bengal tropical cyclone formation

Correct Incorrect Correct answer

Fly directly through the smooth-looking lenticular for easy altitude

Correct Incorrect Correct answer

Maintain altitude — the smooth cloud is safe for penetration

Correct Incorrect Correct answer

Treat as significant mountain wave warning — increase separation from terrain and be alert for turbulence

Correct Incorrect Correct answer

Ignore it — lenticular clouds only form at night

Correct Incorrect Correct answer

Troposphere

Correct Incorrect Correct answer

Stratosphere

Correct Incorrect Correct answer

Mesosphere

Correct Incorrect Correct answer

Thermosphere

Correct Incorrect Correct answer

Thinner — pressure levels are closer together

Correct Incorrect Correct answer

Thicker — pressure levels are further apart

Correct Incorrect Correct answer

Not related to layer thickness

Correct Incorrect Correct answer

Always thinner above FL180 regardless of temperature

Correct Incorrect Correct answer

Red hatching

Correct Incorrect Correct answer

Dotted lines indicating rain

Correct Incorrect Correct answer

Zigzag lines indicating turbulence with FL range

Correct Incorrect Correct answer

CB symbols

Correct Incorrect Correct answer

Nimbostratus

Correct Incorrect Correct answer

Altostratus

Correct Incorrect Correct answer

Cirrus (Ci) — often followed by Cirrostratus producing a halo

Correct Incorrect Correct answer

Stratus at low level

Correct Incorrect Correct answer

The stratosphere above 20 km

Correct Incorrect Correct answer

The lowest 2,000 ft of the atmosphere where friction influences the wind

Correct Incorrect Correct answer

The layer between 500-300 hPa containing the jet stream

Correct Incorrect Correct answer

The tropopause transition zone

Correct Incorrect Correct answer

Sudden increase in wind speed of at least 16 kt, reaching at least 22 kt, lasting at least 1 minute

Correct Incorrect Correct answer

Any gust exceeding 20 kt

Correct Incorrect Correct answer

Thunderstorm with heavy rain

Correct Incorrect Correct answer

Hail of diameter 10 mm or more

Correct Incorrect Correct answer

Back (turn anticlockwise)

Correct Incorrect Correct answer

Remain constant

Correct Incorrect Correct answer

Veer (turn clockwise)

Correct Incorrect Correct answer

Decrease in speed only

Correct Incorrect Correct answer

Tropical cyclone intensity

Correct Incorrect Correct answer

Turbulence due to wind shear instability — Ri < 0.25 indicates turbulence

Correct Incorrect Correct answer

Fog formation probability

Correct Incorrect Correct answer

Icing severity in frontal cloud

Correct Incorrect Correct answer

A type of funnel cloud below a cumulonimbus

Correct Incorrect Correct answer

Precipitation that evaporates before reaching the surface

Correct Incorrect Correct answer

A thin layer of freezing drizzle

Correct Incorrect Correct answer

Ice pellets that bounce off the runway

Correct Incorrect Correct answer

Permanent storm dissipation

Correct Incorrect Correct answer

Temporary weakening followed by re-intensification as a new eyewall forms

Correct Incorrect Correct answer

An increase in the storm's diameter but reduced intensity permanently

Correct Incorrect Correct answer

Complete cessation of spiral rain bands

Correct Incorrect Correct answer

50 ft AGL

Correct Incorrect Correct answer

10 m (33 ft) AGL — standard anemometer height

Correct Incorrect Correct answer

Ground level

Correct Incorrect Correct answer

100 ft AGL

Correct Incorrect Correct answer

Quiz Summary

Information

Results

Results

Categories

1. Question

2. Question

3. Question

4. Question

5. Question

6. Question

7. Question

8. Question

9. Question

10. Question

11. Question

12. Question

13. Question

14. Question

15. Question

16. Question

17. Question

18. Question

19. Question

20. Question

21. Question

22. Question

23. Question

24. Question

25. Question

26. Question

27. Question

28. Question

29. Question

30. Question

31. Question

32. Question

33. Question

34. Question

35. Question

36. Question

37. Question

38. Question

39. Question

40. Question

41. Question

42. Question

43. Question

44. Question

45. Question

46. Question

47. Question

48. Question

49. Question

50. Question

Company

Legal

Connect