Indian Space Research Organisation Graduate Apprentice Interview Questions and Answers

Q1. Equation or synchronous speed
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Q1. What called this place where do you work in maintenance and production
Ans. 
I work in a manufacturing facility that specializes in maintenance and production.
• The place where I work is a manufacturing facility

• My role involves maintenance and production tasks

• We focus on ensuring the smooth operation of machinery and equipment

• Our goal is to optimize production efficiency and minimize downtime
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Q2. Mother of lathe
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Mother of lathe is the machine tool called the milling machine.
• The mother of lathe is the milling machine, used for cutting and shaping metal.

• Milling machines use rotary cutters to remove material from a workpiece.

• Milling machines can perform a wide range of operations, such as drilling, slot cutting, and keyway cutting.
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Q1. How many salery to make ..??
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Q2. How many salery to make
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Q3. How many time which peroid
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Q1. Why why why why why
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Q1. What skills have you learnt?
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Q2. Your favourite topics in btech?
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Q3. What is your aim as a mechanical engineer?
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Q4. What is t-s diagram? What is casting?
Ans. 
A t-s diagram is a thermodynamic diagram used to visualize the temperature-entropy relationship of a system. Casting is a manufacturing process where a liquid material is poured into a mold to solidify into a desired shape.
• A t-s diagram plots temperature on the x-axis and entropy on the y-axis, showing the thermodynamic state of a system.

• Casting involves pouring molten metal, plastic, or other materials into a mold to ...read more
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Q5. What is lathe machine and describe how it is operated? Different functions? Threading?
Ans. 
A lathe machine is a tool used for shaping materials by rotating them against a cutting tool. It is operated by controlling the rotation speed and feed rate.
• Lathe machine rotates the workpiece against a cutting tool to remove material and create a desired shape.

• It can perform various functions such as turning, facing, drilling, boring, and taper turning.

• Threading on a lathe machine involves cutting threads on a workpie...read more
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Q6. 2s vs 4s engine
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2s and 4s engines refer to 2-stroke and 4-stroke engines, each with their own advantages and disadvantages.
• 2-stroke engines have a power stroke every revolution, making them more powerful but less fuel efficient.

• 4-stroke engines have a power stroke every other revolution, making them more fuel efficient but less powerful.

• 2-stroke engines are simpler in design and lighter, but tend to produce more emissions.

• 4-stroke eng...read more
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Q1. Reasons for selecting Aeronautical engineering
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Passion for aviation, interest in aircraft design and technology, desire to contribute to the aerospace industry.
• Fascination with airplanes and spacecraft since childhood

• Strong interest in physics and mathematics

• Desire to work on cutting-edge technology and innovation in aerospace

• Passion for contributing to the advancement of aviation industry

• Inspired by the challenges and opportunities in aeronautical engineering
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Reasoning, GK, technical etc

Q1. Question related to your engineering stream and information regarding company (from past to present)
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Q2. What is aerodynamic. What types of engine used in aeroplane and military fitter jet's.
Ans. 
Aerodynamics is the study of how air flows around objects. Airplanes use jet engines, propeller engines, and military fighter jets use afterburning turbofan engines.
• Aerodynamics is the study of the motion of air and the interaction between air and solid bodies moving through it.

• Airplanes typically use jet engines, which are powered by the combustion of fuel and air to produce thrust.

• Propeller engines are also used in s...read more
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Q3. What do you know about company
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Q4. Why do you want to join our company
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Q5. Types of cycle on which engine works
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The engine works on two main types of cycles - Otto cycle and Diesel cycle.
• Otto cycle: used in gasoline engines, consists of four processes - isentropic compression, constant volume heat addition, isentropic expansion, and constant volume heat rejection.

• Diesel cycle: used in diesel engines, consists of four processes - isentropic compression, constant pressure heat addition, isentropic expansion, and constant volume he
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All basics of the mathematics

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