AFCAT study materials
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AFCAT flashcards

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32 cards. Read the term and the definition here. The deck at the top of this page is optional.

Article 32
Constitutional right to move the Supreme Court for enforcement of Fundamental Rights; Dr. Ambedkar called it the heart and soul of the Constitution.
Supreme Commander of Indian Armed Forces
The President of India is the Supreme Commander of the Indian Armed Forces; operational command flows through the Chiefs of Staff.
IAF founding date
The Indian Air Force was raised on 8 October 1932 as the Royal Indian Air Force and was renamed the Indian Air Force in 1950.
Longest peninsular river
The Godavari is the longest river of peninsular India, rising in Maharashtra and flowing east into the Bay of Bengal.
Subject-verb agreement rule
A verb agrees with its subject in number and person; intervening phrases such as 'along with' or 'as well as' do not alter the verb form.
Bury the hatchet
An idiom meaning to end a quarrel and make peace with someone after a period of disagreement or hostility.
Intrepid meaning
Intrepid means fearless and bold; its synonyms include valiant and courageous, and its antonym is timid.
Ubiquitous meaning
Ubiquitous means present everywhere at the same time; it describes something that appears to be found in all places.
Neither-nor verb rule
With 'neither...nor' or 'either...or', the verb agrees with the subject nearer to it, whether that subject is singular or plural.
Combined average formula
For groups of sizes n and m with averages A and B, the combined average equals (nA + mB) divided by (n + m).
Simple interest formula
Simple interest equals principal multiplied by rate multiplied by time, divided by one hundred; interest is computed on the original principal only.
Km/h to m/s
To convert kilometres per hour to metres per second, multiply by five-eighteenths; to reverse the conversion multiply by eighteen-fifths.
Time and work formula
If two workers alone take x and y days, working together they complete the job in xy divided by (x + y) days.
Successive percentage change
Two successive changes of a percent and b percent equal a single change of a + b + ab/100 percent, applied in order.
Sphere volume
The volume of a sphere of radius r is four-thirds of pi times r cubed; its surface area is four pi r squared.
Profit percentage formula
Profit percent equals selling price minus cost price, divided by cost price, then multiplied by one hundred.
Clock angle formula
The angle between clock hands is the absolute value of 30H minus 5.5M degrees, where H is the hour and M the minute.
Syllogism validity rule
A conclusion follows only if it is true in every possible diagram consistent with the premises; 'All A are B' does not reverse.
Blood relation notation
In family-tree diagrams, vertical lines join generations and horizontal lines join siblings or spouses; maternal refers to the mother's side.
Analogy relationship types
Common analogy links include part to whole, cause to effect, worker to tool, and synonym pairs; the answer must match the same link.
Direction sense turn rule
Facing north, a right turn faces east and a left turn faces west; two successive turns of the same side reverse the original direction.
Odd-one-out strategy
Classify items by one shared property such as symmetry, number of sides, or openness, then select the item lacking that property.
Ohm's law
Ohm's law states that voltage equals current multiplied by resistance, written V = IR, for a conductor at constant temperature.
Electrical power formulas
Power in a circuit equals voltage times current, and equivalently current squared times resistance or voltage squared divided by resistance.
Series and parallel resistance
In series, resistances add directly; in parallel, the reciprocals of the resistances add, giving an equivalent resistance smaller than any branch.
Communication process model
Communication proceeds from sender through encoding, channel, and decoding to receiver, with feedback and noise affecting how faithfully the message arrives.
Semantic barrier
A semantic barrier arises when words carry different meanings for sender and receiver, as with jargon, ambiguity, or poor translation.
Active listening
Active listening means giving full attention, paraphrasing the speaker's message to confirm understanding, and asking clarifying questions instead of rehearsing a reply.
Binary to decimal conversion
Each binary digit is multiplied by two raised to its position counted from the right starting at zero, and the products are summed.
Formal report structure
A formal report typically contains purpose, background, findings, analysis, conclusion, and recommendations, each kept in a distinct section.
Group discussion etiquette
Effective group discussion requires stating each point once with support, inviting others to speak, avoiding interruptions, and summarising the group's direction.
Jana Gana Mana
Jana Gana Mana, composed by Rabindranath Tagore, is the national anthem of India; the national song is Vande Mataram.