Notes, summaries, assignments, exams, and problems

-"Conditioned" air is air that has: BEEN CONTROLLED IN RESPECT OF TEMPERATURE AND PRESSURE.

-"Frequency wild" in relation to a AC generation system means the generator: OUTPUT FREQUENCY VARIES WITH ENGINE SPEED.

-"Nose wheel shimmy" may be described as: A POSSIBLY DAMAGING VIBRATION OF THE NOSE WHEEL WHEN MOVING ON THE GROUND.

-"Vapour lock" is the phenomenon by which: HEAT PRODUCES VAPOUR BUBBLES IN THE FUEL LINE.

-"Vapour lock" is the phenomenon by which: HEAT PRODUCES VAPOUR BUBBLES IN THE FUEL LINE.

-A "fan" stage of a ducted-fan turbine engine is driven by: THE LOW PRESSURE TURBINE.

-A "trip-free" type circuit breaker is a circuit protection device which : WILL NOT ALLOW THE CONTACTS TO BE HELD CLOSED WHILE A CURRENT FAULT EXISTS IN THE CIRCUIT.

• "Heading hold" is normally: REGARDED AS A BASIC OF AUTOMATIC STABILISATION EQUIPMENT
• 1 - Route modifications2 - Crossing constraints3 - Transfer of ATC center 4 - Speed changes. The combination which regroups all of the correct statements is:   1, 2, 3, 4
• 1 - TAS2 - IAS 3 - Mach NUmber. The combination that regroups all of the correct statements is: 2, 3
• A "Bourdon Tube" is used in: PRESSURE SENSORS
• A blocked pitot head with a clear static source causes the airspeed indicator to:   REACT LIKE AN ALTIMETER
• A closed loop control system in which a small power input controls a much larger power output in a strictly proportionate manner is known as: A SERVOMECHANISM
• A control system consisting of four pendulous vanes is used in: AN AIR DRIVEN ARTIFICIAL

CODIGOS IATA/ICAO Aeropuertos

IATA-ICAO-CIUDAD PAIS AEROPUERTO

AAA-NTGA-ANAA FRENCH POLYNESIA TUAMOTU ISLANDS
AAE-DABB-ANNABA ALGERIA EL MELLAH
AAL-EKYT-AALBORG DENMARK
AAO-SVAN-ANACO VENEZUELA ANZUALEGUI
AAQ-???? -ANAPA RUSSIA
AAR-EKAH-AARHUS DENMARK TIRSTRUP
AAY-ODAG-AL GHAIDA YEMEN
ABA-UNAA-ABAKAN RUSSIA
ABE-KABE-ALLENTOWN USA (PENNSYLVANIA) BETHLEHEM-EASTON
ABF-NGAB-ABAIANG KIRIBATI
ABI-KABI-ABILENE USA (TEXAS) MUNICIPAL
ABJ-DIAP-ABIDJAN IVORY COAST PORT BOUET
ABK-HADK-KABRE DARE ETHIOPIA MIL.
ABL-PAFM-AMBLER USA (ARKANSAS)
ABM-????-BAMAGA AUSTRALIA (QUEENSLAND)
ABQ-KABQ-ALBUQUERQUE USA (NEW MEXICO) INTERNATIONAL
ABR-KAPG-ABERDEEN USA (SOUTH DAKOTA)
ABS-HEBL-ABU SIMBEL EGYPT
ABU-WRKA-ATAMBUA INDONESIA HALIWEN
ABX-AMAY-ALBURY AUSTRALIA
ABY-

British Isles: Nations and Historical Development

Nations of the UK and the Political Union

People often call the UK "Britain" or even "England," but that is not strictly correct: England is only one of four nations (England, Scotland, Wales, and Northern Ireland), and the full political union was completed in 1801.

Ethnic and Linguistic Differences

Historically, these nations differed ethnically: Ireland, Wales, and the Scottish Highlands were mainly Celtic, while England and the Scottish Lowlands were mostly of Germanic origin.

These differences showed up in languages (Irish Gaelic, Scottish Gaelic, Welsh versus Germanic dialects that became English), as well as in law, society, and economy.

Modern Identities and Cultural Dominance

Today the differences... Continue reading "British Isles History: England, Scotland, Wales, Northern Ireland" »

Model A: Strategic Management Concepts

1. According... consolidation? c)
2. What... have? b)
3. How... the company? b) ...successfully
4. What... market? d) It's the intersection
5. What... defined? c) The sum
6. The star... matrix... b) Have large
7. What... activity? c) The set of products
8. What... matrix? b) Market appeal
9. What... consist of? d) Restructuring
10. What... economies? a) Related diversification
11. What... company? d) Vertical integration
12. What... bankruptcy? a) Unrelated diversification
13. In which... business? a) Unrelated

Model A: Implementation and Testing

14. How... stages? d) Set of objectives
15. A new... view? b) It is any
16. Challenging... consumption? b) Flank
17. When... differentiation? b) When a company
18. For the... define? c) Integrity is the extent
19. When... challenger? a) ...weakest
20. When.

Material Failure Mechanisms and Concepts

Creep Phenomenon

Creep is the slow and permanent deformation of a material when it is subjected to a constant load or stress for a long period of time at high temperature. Creep becomes significant when the temperature is above 0.4 times the melting temperature of the material (in Kelvin).

Stages of Creep:

Creep occurs in three stages, shown by a creep curve:

1. Primary Creep (Transient Stage)
   • Creep rate decreases with time.
   • Material becomes strain-hardened.
2. Secondary Creep (Steady-State Stage)
   • Creep rate becomes constant.
   • This is the longest and most important stage.
3. Tertiary Creep
   • Rapid increase in creep rate.
   • Formation of cracks and necking.
   • Ends with fracture.

Factors Affecting Creep:

• Temperature
• Applied stress
• Time

Phylum Echinodermata: Characteristics and Classification

Phylum Echinodermata (from Greek echinos = spiny; derma = skin) consists of exclusively marine animals known for their pentamerous radial symmetry and unique water-driven skeletal systems.

General Characters of Echinoderms

• Habitat: Entirely marine; found at all depths from the intertidal zone to the deep sea.
• Symmetry: Adults exhibit pentamerous radial symmetry (body parts arranged in fives), while larvae are bilaterally symmetrical.
• Body Organization: Triploblastic, coelomate, and exhibit an organ-system level of organization.
• Endoskeleton: Composed of calcareous plates called ossicles, which often bear spines (hence the name "spiny-skinned").
• Water Vascular System: A unique system of fluid-

TDS and TCS: Tax Collection Mechanisms

TDS (Tax Deducted at Source) and TCS (Tax Collected at Source) are methods within the Indian tax system designed to collect tax at the point of a transaction. This approach assists the government in maintaining a consistent revenue flow and minimizing tax evasion. The primary distinction lies in who collects the tax and the nature of the transaction involved.

Tax Deducted at Source (TDS)

With TDS, the payer deducts a specified percentage of tax before paying the recipient and deposits this amount with the government on the recipient's behalf. This deduction is treated as advance tax for the recipient, who can claim credit for it when filing their income tax return.

TDS applies to various income payments, such... Continue reading "Indian Tax Collection: TDS, TCS, and Income Tax Basics" »