My Introduction & Journey (PDF)

# My Introduction I am the great-grandson of my grandfather. I would like to introduce myself as a very patriotic person because most of my family members and people in my family are serving in the Indian Army. * My grandfather is a kho-kho player at the state level. * My mother is a kabaddi pla...

# My Introduction I am the great-grandson of my grandfather. I would like to introduce myself as a very patriotic person because most of my family members and people in my family are serving in the Indian Army. * My grandfather is a kho-kho player at the state level. * My mother is a kabaddi player at the state level. * I am also a kho-kho player at the state level. * Furthermore, I am a rope skipping player. Currently, I am looking forward to making my family proud and letting them realize that their son will definitely do something great in his life. ## My Journey **My Experience in Joining as a Merchant Navy:** > I am in the process of joining as a Merchant Navy. - Through this process I have become a more confident person. - I have enhanced my communication skills, knowledge, and overall personality. - I am still learning more things and I think I am somebody who is fond of my hobbies which include: * Kho-Kho at the state level. * Rope skipping at the district level. * My other hobbies also include: * Running and cycling. * Trekking. * Travelling. * Listening to music. ## Merchant Navy ### Why Merchant Navy? - I attempted to join the Indian Army because my father had suggested the technical branch, but I couldn't clear the interview. - Therefore, I think the merchant navy can be a perfect choice for me. - I can do jobs in my core branch, and in the merchant navy, there is discipline and uniform similar to the defence branch. - Additionally, the salary is also better. ### Different Types of Ships: - Bulk carriers: carry iron ore, coal, grain, sugar, cement. - Container vessels: carry cars. - Liquid: carry crude oil, brown oil. - Crude tank: carry crude oil. - Water tank: carry palm oil, vegetable oil like. - Chemical tankers: carry hydrochloric acid, nitric acid. - Gas tankers: carry LNG and LPG. - RO-RO ferries: carry cars. - Oil rig supply vessels - General purpose cargo ships. ### Calculating Distance of Ships: 1. **Nautical Miles in KM:** 1 NM = 1.85 km 2. **KM in NM:** 1 km = 0.53 NM 3. **Miles in KM:** 1 mile = 1.6 km 4. **Breaking systems onboard ship:** - By reversing the engine, we can reduce the speed. 5. **Calculating Engine Power:** * Formula: Pm X L X A X N "Kw" * Pm: mean length/area, no. of revolutions per second * L: indicated length/area, no. of cylinders * A: pressure in kg/cm2 * N: revolutions per second * Engine power is measured by a dynamometer or dynamo test 6. **Types of Engine Speed:** * Low speed: two stroke, crosshead. * Medium speed: four stroke, trunk engines. ### Executive Shipping Management (ESM): - It has 150+ vessels. - Headquarters: Singapore. - 12 offices: worldwide. - Main office: Mumbai. - Vision: To become global leader in providing management service. - Types of Ships: tankers, bulk carriers, containers. - RPSL No. : MUM- 220. - Other types of ships: oil tanker, chemical tanker, gas tanker, bulk carrier. ### Technical Terms: 1. **CC**: It is the unit used to measure the engine volume in cubic centimeters. * Formula: ∏ x D x L x K * ∏: 3.14 * D: diameter of bore (*bore is the internal diameter of the cylinders*) * L: length of stroke (*stroke is the distance that the piston travels between the TDC and BDC*) * K: number of cylinders * CC gives us power output. 2. **Refrigerant**: It is a chemical substance used in ship refrigeration systems. * Example: R134a, R22, R410a, R507 3. **Mileage**: It is a distance measure in which a vehicle (bike or car) travels in one liter of fuel. 4. **Fleming’s Thumb Rule**: - It directs the direction of the current flow with the use of right hand. - The thumb is placed in the direction of motion of the conductor relative to the magnetic field, the index finger is placed in the direction of the induced current, and the middle finger is placed in the direction of the magnetic field. 5. **Fleming's Right Hand Rule** and **Fleming's Left Hand Rule**: - These are used while working with generators (Right) and motors (Left) to determine direction of forces. - For the Right Hand rule, thumb points toward direction of induced current, index finger points toward direction of magnetic field around a conductor, and middle finger points towards direction of motion of conductor. - For the Left Hand rule, thumb points toward direction of motion of conductor, index finger points toward direction of magnetic field around a conductor, and middle finger points towards direction of induced current. 6. **Components of VCR Cycle:** - Compressor, evaporator, expansion wall, condenser. 7. **Difference Between Petrol and Diesel Engines:** * **Petrol:** Fuel and air both are compressed and are ignited by a spark. * **Diesel**: Only air is compressed. 8. **Spark Ignition Engine:** * It is an internal combustion engine, generally used in petrol engines. * In this engine, the air and fuel mixture is ignited by a spark plug. 9. **Difference Between Sea and Ocean:** * Oceans are larger bodies of water and include seas, while sea is just a part of ocean. 10. **Defence Minister:** Rajnath Singh. 11. **External Affairs Minister:** S. Jaishankar. 12. **Capital of France:** Paris. 13. **Location of the Eiffel Tower:** Paris. 14. **Degree Project**: * This is a project that involved fabrication of a 4 wheel steering mechanism for parallel parking design. * It is a mechanism in which both front and rear wheels can turn for parallel parking. * The rear wheels turn in the opposite direction of the front wheels at lower speeds, to reduce the turning radius and to make it easier to park. * The project specifications were: * Height: 165 cm, 5 feet, 4 inches, 0.00165km. * Weight: 57 kg. 15. **Flow Rate:** * Unit: m3/sec. * It is the volume of fluid travelling in one second. * The volume is measured in cubic meters. * To find the flow rate: Multiply the length by area. For example, if the length is 10 meters and the area is 5 square meters, then the flow rate is 50 m3/sec. 16. **Devices for Measuring Flowrate:** - Orifice meter. - Venturi meter. 17. **Constant of Orifice Meter:** - 0.60 to 0.65. 18. **Constant of Venturi Meter:** - 0.95 to 0.99. 19. **Boiler Mountings** * Safety valve * Pressure gauge * Water-level indicator * Steam stop valve * Feed check valve 20. **Oceans in the World:** * Pacific * Atlantic * Indian * Southern * Arctic 21. **Chief Ministers of India:** * **Bihar**: Nitish Kumar. * **Andhra Pradesh:** Chandrababu Naidu. * **West Bengal**: Mamta Banerjee. * **Uttar Pradesh**: Yogi Adityanath. * **Goa**: Pramod Sawant. * **Kerala**: Pinarayi Vijayan. 22. **North-Western States of India:** - **West:** Gujarat, Madhya Pradesh, Maharashtra, Goa. - **East**: Bihar, Jharkhand, Odisha, West Bengal. - **North**: Jammu and Kashmir, Himachal Pradesh, Punjab, Uttarakhand, Haryana. - **South:** Rajasthan, Delhi, Uttar Pradesh. 23. **India is Surrounded By:** * The Indian Ocean to the south. * The Arabian Sea to the west. * The Bay of Bengal to the east. 24. **India's President:** Draupadi Murmu. 25. **Finance Minister:** Nirmala Sitharaman. 26. **Countries in Europe & their capitals:** * **Ukraine**: Kyiv. * **Germany**: Berlin. * **France**: Paris. * **Netherlands**: Amsterdam. * **United Kingdom**: London. 27. **Vice-President:** Jagdeep Dhankar. 28. **Difference Between Independence Day and Republic Day:** * **Independence Day:** celebrates freedom. * **Republic Day:** emphasizes the constitutional foundation and values that define the nation's identity. 29. **Liters to Kilograms:** * 1 liter of water = 1 kg. * 1 liter of petrol = 0.79 kg. 30. **North-Eastern States:** *Assam, Meghalaya, Arunachal Pradesh, Manipur, Mizoram, Nagaland, Tripura* 31. **Centrifugal Pump:** * This pump converts the rotational energy from an electric motor or engine into hydrodynamic energy, therefore moving fluid. * The impeller increases the velocity and pressure of the fluid. * This pressure is then directed toward the pump outlet. 32. **CC of Engine:** CC of an engine is a measurement of the engine's size (in cubic centimeters). * It is calculated by considering bore, stroke and number of cylinders. * It ultimately represents the total volume of air and fuel that can be displaced by the pistons in the engine during a single stroke. It primarily indicates capacity of an engine. 33. **4 Stroke Engine vs. 2 Stroke Engine:** * **4 Stroke Engine:** * **Complete power cycle:** piston strokes and crankshaft revolutions. * **Spark plug fires:** once every other revolution. * **2 Stroke Engine:** * Takes two strokes per crankshaft rotation instead of four. * Spark plug fires once per revolution. 34. **Where to Install Fusible Plug in a Boiler:** * The fusible plug is installed in the compressor. 35. **Components of a Compressor**: * Cylinders * Piston * Crankshaft * Valves * Cooling System * Lubrication System * Motor/Engine 36. **Components of VCR's Circuit:** * Voltage-controlled resistor (VCR). * Transistor. * Resistor. * Capacitor. * Voltage Source. 37. **Thermal Expansion Wall:**: * This type of wall keeps the system cool in case of overheating due to excess heat generated by the compressor. 38. **Density of Diesel & Petrol:** * Diesel: 820 to 800 kg/m³. * Petrol: 710 to 770 kg/m³. 39. **Water has the Highest Density:** * 1000 kg/m3. 40. **Specific Heat:** * It determines the quantity of heat needed to raise the temperature of a substance by one degree Celsius per unit mass. 41. **Boyle's Law**: * This law explains that the volume of a gas increases when the pressure decreases (at constant temperature). 42. **Charles' Law:** * This law explains that the volume of a gas increases when the temperature increases (at constant pressure). 43. **Avogadro's Law:** * It defines that the volume of a gas is directly proportional to the number of moles of gas present at a fixed temperature and pressure. 44. **What Happens If the Temperature Decreases:** * The heart and nervous system will not work as well as ordinarily. 45. **When Density Decreases:** * Temperature increases. 46. **Tallest Mountains**: * Mount Everest (in the world) * Kanchenjunga (in India) 47. **Smallest Continent:** * Australia. 48. **Use of Vernier Caliper:** * It is a measuring instrument used to measure the distance, height, or diameter of objects. 49. **Refrigerant in VCR:** * This helps in the cooling operation of the refrigeration system. 50. **Refrigerant in Cooling Systems:** * It aids in lowering the temperature of the system. 51. **Measurement of Flow in Different Systems:** * **Pitot tube:** It is used to measure the fluid flow velocity. * **Bernoulli's Equation:** Used to calculate the fluid velocity. 52. **Major Rivers of India:** * Indus * Brahmaputra * Ganga * Krishna 53. **Major Rivers of India:** * Nile * Amazon * Yangtze * Ob River * Parana River 54. **How is Electricity Generated on Ships:** * A prime mover and an alternator together generate electricity. 55. **How is Ship Main Engine Started:** * The compressed air, stored in the cylinders at 30 bars, is used to start the ship. 56. **Cities in South America:** * Argentina, Brazil, Chile, Colombia, Paraguay, Peru, Uruguay, Venezuela. 57. **Cities in North America:** * Canada, Costa Rica, Honduras, Mexico, USA. 58. **Young's Modulus:** * This metric measures the material's resistance to deformation under tensile stress. * It is defined as the ratio of tensile stress to tensile strain. 59. **Stress:** * This is a measure of the force that the material feels from the external applied force. 60. **Strain:** * This is the deformation of the material from stress. 61. **How Pressure is Created at Discharge Side of Centrifugal Pump:** * The pressure is created by converting the kinetic energy of the fluid being pumped into pressure energy. 62. **Types of Welding:** * Gas metal arc welding (GMAW). * Gas tungsten arc welding (GTAW). * Shielded metal arc welding (SMAW). * Flux-cored arc welding (FCAW). 63. **Home Minister:** Amit Shah 64. **Otto Cycle:** * It is a thermodynamic process that explains how internal combustion engines (generally gasoline engines) convert heat energy into motion. 65. **Specific Heat Capacity:** * It is the heat required to raise the temperature of a unit mass of a substance by one unit. 66. **Air Fuel Ratio:** * This is the ratio of the mass of air to the mass of the fuel in the fuel-air mixture. 67. **Compression Ratio:** * The ratio of the greater to the lesser volume of the cylinder. * It determines how much the air-fuel mixture is compressed before ignition in the engine. 68. **Enthalpy:** * This is the measure of energy in a thermodynamic system. * It is calculated by summing the internal energy of the system and the product of its pressure and volume. 69. **Boiler Mountings:** * Pressure gauge. * Safety valves. * Water level indicator. * Feed check valve. * Steam stop valve. 70. **Why I didn’t apply for Merchant Navy Immediately After Graduation** * My father lost his job right after I graduated in 2023. * I needed to support my family so I had to enter the workforce immediately. * The situation is now more stable, so I can apply now. 71. **My Job at Delux Bearing:** * I work in the lower parts of Delux Bearing in Mumbai, India. * My responsibilities at work included: * CAE (Computer Aided Engineering): Doing stress and thermal analysis using ANSYS software. * Ensuring the structural integrity of the bearings. * Performing load analysis for bearings. 72. **Why I Chose SIMS:** * It is a reputable institution. * I can learn a lot from their program. * SIMS has a good reputation for quality education. * I have checked the reviews and they are great. * I think SIMS is a good opportunity. 73. **Types of Heat in Thermodynamics** * **Sensible heat:** This is the type of heat that can be felt and measured by a change in temperature. * **Latent heat:** This is the type of heat that changes the state of matter but does not change its temperature. An example of latent heat is heat that is used to melt ice. 74. **VCR and TXV:** * **VCR:** Vapour Compression Refrigeration - it is a system that uses a refrigerant to absorb and release heat. * **TXV:** Thermostatic Expansion Valve - it is a component of a refrigeration system that regulates refrigerant flow to the evaporator. 75. **How Refrigeration Works:** * It uses a refrigerant to absorb heat, cool the air, and then release the absorbed heat into the atmosphere. * Parts: Compressor, condenser, expansion valve, evaporator. * The compressor compresses the refrigerant. * The refrigerant loses heat and cools down in the condenser. * The expansion valve reduces pressure. * The refrigerant absorbs heat from the evaporator. * The cycle repeats continuously. 76. **Electricity at Home:** * Electricity reaches homes through a power transmission system. * In India, the voltage is 220 volts and the frequency is 50 Hz. * The power is generated in power stations, transmitted through high-voltage lines, then distributed locally through substations and finally through distribution networks to homes. 77. **Why 50 Hz Power at Home:** * The power is at 50 Hz to ensure efficient power transmission. 78. **National Animal of India:** * Royal Bengal tiger. 79. **Indian Flag Colors and Meanings:** * **Saffron**: Strength and courage. * **White**: Peace and truth. * **Green**: Fertility, growth, and auspiciousness of the land. 80. **Types of Oceans** * Atlantic * Arctic * Southern * Indian * Pacific 81. **Swept Volume:** * It is the volume of fluid that is displaced by the piston. * It is swept or displaced by the actuator piston during one opening or closing cycle. 82. **Velocity:** * This is the speed at which an object moves in a particular direction. 83. **Sensible Heat:** * Sensible heat is the type of heat that can be sensed and measured by a change in temperature. 84. **Largest Ocean:** * The Pacific Ocean. 85. **Pascal's Law:** * This law explains that pressure applied to a confined fluid is transmitted equally in all directions. 86. **Fleming’s Law:** * It explains the interaction between a magnetic field, a moving charge (electric current), and the force exerted on the charge or current. 87. **Water's Boiling Point at Different Pressures** * The boiling point of water is 100°C at standard atmospheric pressure. * The boiling temperature of water increases with an increase in pressure. 88. **What is a Clutch and its types** * A clutch is a mechanical device that connects and disconnects the power flow between the engine and the transmission. * Types of clutches: * Friction clutches: * Single plate friction clutch. * Multi-plate friction clutch. * Dry clutch. * Wet clutch. 89. **Purpose of Gears in Cars:** * Gears are used to change the output speed and torque of an engine, usually by transferring the power generated by the engine to the differential unit. 90. **Nozzle:** * *Rate of Flow* is the quantity of fluid that flows per unit time. * *Speed* is the velocity of the fluid. * *Direction* defines the path of the fluid motion. * *Mass* is the quantity of matter contained in the fluid. * *Shape* defines the form of the nozzle. * Nozzles are often used to control the direction, flow rate, and/or speed of a fluid. 91. **Temperature in an Evaporator:** * 40°C. 92. **Lathe Machine Parts:** * Bed. * Quick-change gearbox. * Headstock. * Carriage. * Tailstock. 93. **Clutch Location:** * Between the flywheel and the transmission. 94. **Methods of Generating Fresh Water on Ships:** * Boiling. * Evaporation. * Reverse Osmosis (RO). 95. **Types of Boilers on Ships:** * Water-tube boilers and fire-tube boilers, water-tube boilers are more efficient. 96. **Generating Electricity on Ships:** * A prime mover (like a diesel engine) is used to drive an alternator, which generates electricity. 97. **Starting a Ship's Main Engine:** * Compressed air is stored in the cylinders at a pressure of 30 bars. * This air is used to start the main engine.