NCC Special Subject: Navy Review Flashcards

Flashcards covering the history, organization, technical basics, and operations of the Indian Navy and Merchant Navy based on the SD/SW Cadets' Handbook.

Who is the Supreme Commander of the Indian Armed Forces?

The President of India.

Who was appointed as the first Chief of Defence Staff (CDS) of India?

General Bipin Rawat.

How many operational commands does the Indian Army have?

Six operational commands (Northern, Western, Eastern, Southern, Central, and South Western).

On what date was the Indian Navy established in its modern form?

January 26, 1950.

Who is considered the father of the Indian Navy?

Chhatrapati Shivaji Maharaj.

What is the extent of India's Exclusive Economic Zone (EEZ)?

Approximately 200 NM into the sea, covering $20,13,410\,\text{sq km}$.

What are the two aircraft carriers currently in service in the Indian Navy?

INS Vikramaditya and INS Vikrant.

Regardless of his actual rank, how is the Commanding Officer (CO) of a ship addressed?

The Captain.

Which department is responsible for maintaining the ship's propulsion systems, including engines, boilers, and turbines?

The Engineering Department.

In a Three Watch System on naval ships, how are the three watches named?

Red, White and Blue.

What does the acronym SONAR stand for?

Sound Navigation and Ranging.

What are the two main types of submarines operated by the Indian Navy?

Conventional (diesel-electric) and nuclear-powered submarines.

What is the distinction of the Indian Navy's Naval Air Arm in Asia?

It is the oldest Naval Air Arm in Asia, raised in 1948.

At what time is the Colours ceremony conducted in harbour?

0800 hrs.

On what date is Indian Navy Day celebrated each year?

December 4th.

How many gun salutes is the President of India entitled to in harbour?

21 Gun Salutes.

What is India's highest military decoration for the highest degree of valour in the face of the enemy?

Param Vir Chakra (PVC).

List the three highest peacetime military decorations for valour in order of seniority.

Ashoka Chakra, Kirti Chakra, and Shaurya Chakra.

What is the recruit training establishment where Agniveers undergo Basic Training in the Indian Navy?

INS Chilka.

What is the standard length of an international nautical mile (NM)?

$1,852\,\text{meters}$.

What does the navigation unit 'knot' (kn) represent?

One international nautical mile ($1,852\,\text{meters}$) per hour.

Which map projection preserves directions and represents loxodromes (rhumb lines) as straight lines?

Mercator Projection.

What is the formula for calculating the approximate breaking strength (BS) of natural fibre cordage?

$BS = \frac{d^2}{200}\,\text{tons}$ where d is the rope's diameter in millimeters.

What is a 'Bight' in rope work?

A simple loop or curve formed in a rope without crossing over itself.

Which knot is primarily used for joining two ropes of equal size?

Reef Knot.

In boat pulling, what does the command 'Hold Water' instruct the crew to do?

To reduce or stop the movement of the boat by holding the oars perpendicular to the water with the blades dipped.

Which part of a ship serves as its backbone, running along the entire length of the vessel?

The Keel.

What is the formula for calculating the sail area of a ship model?

$$\text{Sail Area} = \frac{\text{Luff Length} \times \text{Foot Length}}{2}$$

What are the three primary methods used for firefighting?

Cooling, Starving, and Smothering.

In damage control, what does the 'Red Zone' indicate?

Areas susceptible to flooding, extending from the keel to above the deep waterline.

What percentage of global trade is estimated to be transported by sea?

Over 90%.

What type of wave propagation uses the ionosphere layer at a height of 150 - 200 km?

Sky Wave Propagation.

In semaphore, how is the 'Numerical Sign' made?

Right hand at ‘D’ position, left hand at ‘E’ Position.

What does the term 'Chart Datum' refer to in tidal navigation?

A reference level used to measure tides, typically set at the lowest astronomical tide that can be expected.

What are 'Spring Tides'?

Tides that occur when the moon is either new or full, leading to the greatest tidal range.

What instrument is traditionally used in celestial navigation to measure the angle between a celestial body and the horizon?

Sextant.

Which star remains almost fixed in the sky and is used for navigation in the Northern Hemisphere?

The North Star, or Polaris.

What is the function of an 'Echo Sounder' on a ship?

To measure the depth of water beneath the vessel to prevent grounding.

What device is used in navigation to find true north, independent of the Earth's magnetic field?

Gyro Compass.

What are the two sub-departments of the communication department in the Indian Navy?

Operations and Electronic Warfare (EW).