Mock Test 2: Full DGCA Meteorology (50 MCQs)

Stratosphere

Correct Incorrect Correct answer

Mesosphere

Correct Incorrect Correct answer

Troposphere

Correct Incorrect Correct answer

Thermosphere

Correct Incorrect Correct answer

3°C per 1000 m

Correct Incorrect Correct answer

6.5°C per 1000 m

Correct Incorrect Correct answer

9.8°C per 1000 m

Correct Incorrect Correct answer

2°C per 1000 ft

Correct Incorrect Correct answer

Altitude above the aerodrome

Correct Incorrect Correct answer

Pressure altitude

Correct Incorrect Correct answer

Height above MSL at the aircraft's position

Correct Incorrect Correct answer

Height above the terrain directly below

Correct Incorrect Correct answer

Water boils

Correct Incorrect Correct answer

Relative humidity reaches 50%

Correct Incorrect Correct answer

Air reaches saturation (100% RH) at constant pressure

Correct Incorrect Correct answer

Frost forms on aircraft surfaces

Correct Incorrect Correct answer

Super-geostrophic and clockwise

Correct Incorrect Correct answer

Sub-geostrophic and anticlockwise

Correct Incorrect Correct answer

Super-geostrophic and anticlockwise

Correct Incorrect Correct answer

Sub-geostrophic and clockwise

Correct Incorrect Correct answer

Strong winds, overcast sky, warm temperatures

Correct Incorrect Correct answer

Clear sky, light winds (2-7 kt), high relative humidity, flat terrain

Correct Incorrect Correct answer

Overcast sky, moderate winds, cold frontal passage

Correct Incorrect Correct answer

Strong sunshine, low relative humidity, afternoon heating

Correct Incorrect Correct answer

Only updrafts present throughout

Correct Incorrect Correct answer

Only downdrafts present

Correct Incorrect Correct answer

Both updrafts and downdrafts coexisting — most hazardous

Correct Incorrect Correct answer

Light precipitation and dissipating cloud tops

Correct Incorrect Correct answer

Is opaque and easily detected visually

Correct Incorrect Correct answer

Is transparent, adherent, and forms aerodynamically disruptive shapes

Correct Incorrect Correct answer

Melts quickly and causes water ingestion

Correct Incorrect Correct answer

Forms only at temperatures below -20°C

Correct Incorrect Correct answer

Severe CAT at FL450

Correct Incorrect Correct answer

Areas of embedded cumulonimbus and severe turbulence

Correct Incorrect Correct answer

Extreme icing above FL350

Correct Incorrect Correct answer

Radiation fog over ocean surfaces

Correct Incorrect Correct answer

Warm, moist, conditionally unstable

Correct Incorrect Correct answer

Cold, dry, stable at source

Correct Incorrect Correct answer

Hot, dry, convectively unstable

Correct Incorrect Correct answer

Cold, moist, unstable

Correct Incorrect Correct answer

Ns → As → Cs → Ci

Correct Incorrect Correct answer

Ci → Cs → As → Ns

Correct Incorrect Correct answer

Cb → Cu → Sc → St

Correct Incorrect Correct answer

St → Sc → Cu → Cb

Correct Incorrect Correct answer

Low risk of fog or cloud

Correct Incorrect Correct answer

High risk of fog or low cloud

Correct Incorrect Correct answer

Very low humidity with clear skies

Correct Incorrect Correct answer

Severe icing at all levels

Correct Incorrect Correct answer

From west to east at FL350 in winter

Correct Incorrect Correct answer

From east to west at FL350 during the summer monsoon

Correct Incorrect Correct answer

From north to south at the tropopause

Correct Incorrect Correct answer

From south to north below FL100

Correct Incorrect Correct answer

Less than 10 kt

Correct Incorrect Correct answer

10-15 kt

Correct Incorrect Correct answer

Greater than 25 kt perpendicular to the ridge

Correct Incorrect Correct answer

Any speed if humidity is high

Correct Incorrect Correct answer

1-2 oktas

Correct Incorrect Correct answer

3-4 oktas

Correct Incorrect Correct answer

5-7 oktas

Correct Incorrect Correct answer

8 oktas (overcast)

Correct Incorrect Correct answer

Is always greater (steeper)

Correct Incorrect Correct answer

Is always less (shallower) due to latent heat release

Correct Incorrect Correct answer

Is equal at all temperatures

Correct Incorrect Correct answer

Equals the DALR only above the tropopause

Correct Incorrect Correct answer

Increasing thrust, reducing TAS

Correct Incorrect Correct answer

Reducing thrust, increasing TAS for same IAS, longer takeoff run

Correct Incorrect Correct answer

Increasing lift for a given IAS

Correct Incorrect Correct answer

Reducing drag and improving climb performance

Correct Incorrect Correct answer

Isolated cumulonimbus covering less than 25%

Correct Incorrect Correct answer

Occasional cumulonimbus 25-50% coverage

Correct Incorrect Correct answer

Frequent cumulonimbus more than 50%

Correct Incorrect Correct answer

Cumulonimbus embedded in cloud layers — most dangerous for detection

Correct Incorrect Correct answer

Only within the visible cloud boundary

Correct Incorrect Correct answer

Up to 5 NM downwind

Correct Incorrect Correct answer

Up to 20 NM or more, especially beneath the anvil

Correct Incorrect Correct answer

Only directly below the cloud base

Correct Incorrect Correct answer

20°C

Correct Incorrect Correct answer

23°C

Correct Incorrect Correct answer

26°C

Correct Incorrect Correct answer

30°C

Correct Incorrect Correct answer

Height above the aerodrome

Correct Incorrect Correct answer

QNH altitude above MSL

Correct Incorrect Correct answer

Pressure altitude

Correct Incorrect Correct answer

True altitude above MSL

Correct Incorrect Correct answer

Backed and stronger than

Correct Incorrect Correct answer

Veered and stronger than

Correct Incorrect Correct answer

Backed and weaker than, crossing isobars toward low

Correct Incorrect Correct answer

Veered and weaker than, parallel to isobars

Correct Incorrect Correct answer

Rime ice at temperatures below -20°C

Correct Incorrect Correct answer

Supercooled Large Droplet (SLD) icing

Correct Incorrect Correct answer

Mixed ice in stratocumulus

Correct Incorrect Correct answer

Carburettor ice in clear air

Correct Incorrect Correct answer

It accurately represents actual atmosphere

Correct Incorrect Correct answer

It provides a standard reference for performance, altimetry, and flight planning

Correct Incorrect Correct answer

It is mandated by DGCA only for India

Correct Incorrect Correct answer

It eliminates the need for weather forecasts

Correct Incorrect Correct answer

Plot surface weather observations

Correct Incorrect Correct answer

Assess atmospheric stability and cloud base/top from radiosonde data

Correct Incorrect Correct answer

Create forecast upper wind charts

Correct Incorrect Correct answer

Display radar precipitation echoes

Correct Incorrect Correct answer

It increases weight excessively

Correct Incorrect Correct answer

It disrupts boundary layer airflow, increases stall speed up to 15%, reduces lift

Correct Incorrect Correct answer

It blocks engine air intakes

Correct Incorrect Correct answer

It only affects visibility from the cockpit

Correct Incorrect Correct answer

To the right

Correct Incorrect Correct answer

Downward

Correct Incorrect Correct answer

To the left

Correct Incorrect Correct answer

Upward

Correct Incorrect Correct answer

Direct solar radiation absorbed by air molecules

Correct Incorrect Correct answer

Long-wave radiation from the Earth's surface

Correct Incorrect Correct answer

Cosmic radiation from space

Correct Incorrect Correct answer

Conduction from the stratosphere above

Correct Incorrect Correct answer

TAF

Correct Incorrect Correct answer

METAR

Correct Incorrect Correct answer

SIGMET

Correct Incorrect Correct answer

PIREP

Correct Incorrect Correct answer

Wind veering with height

Correct Incorrect Correct answer

Wind backing with height

Correct Incorrect Correct answer

Wind remaining constant with height

Correct Incorrect Correct answer

Wind decreasing speed with height

Correct Incorrect Correct answer

Steam fog over warm water

Correct Incorrect Correct answer

Orographic fog on hilltops

Correct Incorrect Correct answer

Freezing fog / freezing drizzle fog below 0°C

Correct Incorrect Correct answer

Advection fog over tropical coasts

Correct Incorrect Correct answer

Less than 30 minutes

Correct Incorrect Correct answer

1-2 hours

Correct Incorrect Correct answer

4-6 hours

Correct Incorrect Correct answer

12 hours or more

Correct Incorrect Correct answer

QNH

Correct Incorrect Correct answer

QFE

Correct Incorrect Correct answer

1013.25 hPa (Standard setting)

Correct Incorrect Correct answer

Regional Pressure Setting (RPS)

Correct Incorrect Correct answer

All aircraft above FL250

Correct Incorrect Correct answer

Light aircraft and operations at and below FL100

Correct Incorrect Correct answer

High-altitude supersonic aircraft

Correct Incorrect Correct answer

Ocean-going vessels only

Correct Incorrect Correct answer

-10°C

Correct Incorrect Correct answer

-20°C

Correct Incorrect Correct answer

-40°C

Correct Incorrect Correct answer

-60°C

Correct Incorrect Correct answer

Strong vertical mixing and convective clouds

Correct Incorrect Correct answer

Suppressed convection, trapped pollutants, possible fog and stratus

Correct Incorrect Correct answer

Rapid dissipation of cloud and improving visibility

Correct Incorrect Correct answer

Strong surface wind and gusts

Correct Incorrect Correct answer

It is detected easily by airborne weather radar

Correct Incorrect Correct answer

Ice crystals do not appear on WXR but can cause engine core icing and surge

Correct Incorrect Correct answer

It only occurs below FL200 in visible cloud

Correct Incorrect Correct answer

It produces rime ice on wings rapidly

Correct Incorrect Correct answer

Temporary condition lasting less than 60 minutes

Correct Incorrect Correct answer

Gradual, permanent change expected within the stated time window

Correct Incorrect Correct answer

Probability 30% of the following condition

Correct Incorrect Correct answer

Rapid change from a specified time

Correct Incorrect Correct answer

Mumbai (VABB)

Correct Incorrect Correct answer

Delhi (VIDP)

Correct Incorrect Correct answer

Leh (VILH)

Correct Incorrect Correct answer

Hyderabad (VOHS)

Correct Incorrect Correct answer

Minimising fuel burn by exploiting jet stream winds over the North Atlantic

Correct Incorrect Correct answer

Ensuring equal spacing between aircraft on polar routes

Correct Incorrect Correct answer

Providing instrument approaches to North Atlantic islands

Correct Incorrect Correct answer

Routing aircraft around tropical cyclones

Correct Incorrect Correct answer

Temperature rises at constant moisture content

Correct Incorrect Correct answer

Temperature drops at constant moisture content

Correct Incorrect Correct answer

Air rises above the jet stream level

Correct Incorrect Correct answer

Wind speed increases

Correct Incorrect Correct answer

Cold front

Correct Incorrect Correct answer

Warm front

Correct Incorrect Correct answer

Stationary front

Correct Incorrect Correct answer

Occluded front

Correct Incorrect Correct answer

Calm, warm, descending air

Correct Incorrect Correct answer

The most intense convection, highest winds, and heaviest rain

Correct Incorrect Correct answer

Mainly stratiform cloud with light rain

Correct Incorrect Correct answer

The lowest pressure but moderate winds

Correct Incorrect Correct answer

Stable conditions persisting all day

Correct Incorrect Correct answer

Approaching warm front within 12 hours

Correct Incorrect Correct answer

Possible afternoon thunderstorm development

Correct Incorrect Correct answer

Radiation fog dispersal

Correct Incorrect Correct answer

2 hours

Correct Incorrect Correct answer

4 hours

Correct Incorrect Correct answer

6 hours

Correct Incorrect Correct answer

12 hours

Correct Incorrect Correct answer

3°C per 1000 ft

Correct Incorrect Correct answer

2°C per 1000 ft

Correct Incorrect Correct answer

0.5°C per 1000 ft

Correct Incorrect Correct answer

1.5°C per 1000 ft

Correct Incorrect Correct answer

Flow around a low pressure system

Correct Incorrect Correct answer

Flow around a high pressure system

Correct Incorrect Correct answer

Flow along a straight isobar

Correct Incorrect Correct answer

Flow across a front

Correct Incorrect Correct answer

Less than 5,000 m

Correct Incorrect Correct answer

Less than 2,000 m

Correct Incorrect Correct answer

Less than 1,000 m

Correct Incorrect Correct answer

Less than 200 m

Correct Incorrect Correct answer

Increase engine power by 10%

Correct Incorrect Correct answer

Prevent ice by heating the induction air — momentary RPM drop confirms ice was present

Correct Incorrect Correct answer

Have no effect on engine power

Correct Incorrect Correct answer

Cause immediate engine shutdown if ice is present

Correct Incorrect Correct answer

Polar Front Jet

Correct Incorrect Correct answer

Subtropical Jet Stream

Correct Incorrect Correct answer

Tropical Easterly Jet

Correct Incorrect Correct answer

Polar Night Jet

Correct Incorrect Correct answer

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