Big Charter Senior Executive - Finance Interview Questions and Answers

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Q1. Diesel vs Otto cycle
Ans. 
Diesel cycle is a compression ignition cycle while Otto cycle is a spark ignition cycle.
• Diesel cycle has higher efficiency due to higher compression ratio

• Otto cycle is used in gasoline engines while diesel cycle is used in diesel engines

• Diesel cycle has a longer combustion duration compared to Otto cycle

• Diesel cycle produces less carbon monoxide and hydrocarbons compared to Otto cycle

• Otto cycle has a higher power outpu
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Q2. Efficiency of 2 stroke vs 4 stroke
Ans. 
4 stroke engines are more efficient than 2 stroke engines due to better fuel economy and lower emissions.
• 4 stroke engines have a separate intake and exhaust stroke, resulting in better fuel economy.

• 2 stroke engines have a combined intake and exhaust stroke, resulting in higher fuel consumption.

• 4 stroke engines produce lower emissions due to a separate exhaust stroke.

• 2 stroke engines produce higher emissions due to a co...read more
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Q3. Laws of thermodynamics
Ans. 
Laws governing energy and its transformation in physical systems.
• First law: Energy cannot be created or destroyed, only transformed.

• Second law: Entropy of a closed system always increases over time.

• Third law: Absolute zero cannot be reached.

• Examples: Heat engines, refrigerators, power plants.
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Q1. What is your family background?
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