GE Aviation Interview Questions and Answers

Q1. What is the internal implementation of Hashing and what is collision?
Ans. 
Hashing is a technique used to map data to a fixed-size array, collision occurs when two different inputs produce the same hash value.
• Hashing involves using a hash function to map data to a fixed-size array.

• Collision happens when two different inputs produce the same hash value.

• Common techniques to handle collisions include chaining and open addressing.
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Q2. Is time complexity of HashMap always O(1) ?
Ans. 
No, time complexity of HashMap is not always O(1).
• Time complexity of HashMap is O(1) on average, but can degrade to O(n) in worst case scenarios.

• Worst case scenarios include hash collisions, which can lead to linear probing and degrade performance.

• Load factor and capacity of the HashMap can also affect time complexity.

• In scenarios where many keys hash to the same index, the time complexity can degrade.
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Q1. What is a defect
Ans. 
A defect is a flaw or imperfection in a product that prevents it from meeting quality standards or user requirements.
• Defects can occur in software, hardware, or processes.

• Example: A software bug that causes a crash is a defect.

• Example: A manufacturing error that results in a faulty product is a defect.

• Defects can lead to customer dissatisfaction and increased costs.

• They are often categorized as critical, major, or mino...read more
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Q2. What is a quality
Ans. 
Quality refers to the degree of excellence or superiority of a product, service, or process, meeting specified requirements.
• Quality is often measured against standards or benchmarks, such as ISO 9001 for manufacturing.

• In software, quality can refer to functionality, reliability, and performance, e.g., a bug-free application.

• In customer service, quality is reflected in responsiveness and satisfaction, like timely suppor...read more
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Q1. Working principle of condenser
Ans. 
Condenser is a device used to convert steam into liquid by cooling it down.
• Condenser works by transferring heat from the steam to a coolant, causing it to condense into liquid form.

• Common types of condensers include surface condensers and shell-and-tube condensers.

• Condensers are used in power plants, refrigeration systems, and air conditioning units.

• Efficient condensation is essential for maximizing energy efficiency a...read more
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Q2. Explain two stroke engine
Ans. 
A two-stroke engine completes the four processes of intake, compression, power, and exhaust in only two strokes of the piston.
• Combustion happens every revolution of the crankshaft

• Requires a mixture of fuel and oil for lubrication

• Simpler design compared to four-stroke engines

• Commonly used in small engines like chainsaws and motorcycles
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Online test is given by ge shortlisted candidate first interview final interview is held on plant location

Q1. Asking interview basic question of gd&t amd the heat transfer
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