Tata Hitachi Construction Machinery Interview Questions, Process, and Tips

Q1. Difference between 2 stoke and 4stoke engine
Ans. 
2-stroke engines have power strokes every revolution, while 4-stroke engines have power strokes every other revolution.
• 2-stroke engines have a simpler design with fewer moving parts compared to 4-stroke engines.

• 2-stroke engines require a mix of oil and fuel for lubrication, while 4-stroke engines have a separate oil reservoir.

• 2-stroke engines are lighter and produce more power for their size, but are less fuel efficien...read more
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Q2. Least count of vernier caliper
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The least count of a vernier caliper is the smallest measurement that can be read on the scale.
• The least count is determined by the number of divisions on the main scale and the vernier scale.

• It is calculated as the difference between one main scale division and one vernier scale division.

• For example, if the main scale has divisions of 1 mm and the vernier scale has 10 divisions between two main scale divisions, the le
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Q1. Question from your current work experience
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Q2. Question from your Managerial skill and technical skill
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There are question & answer. Question paper divided into 3 parts 1st was aptitude 2nd english & 3rd math

Q1. There are internal promotion so asked about my working area problems & whats your actions plan if we promote you.
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Q2. Some technically question about my previous experience.
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Q3. Some technical question about my current roll.
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Q1. What is the file ?
Ans. 
A file is a collection of data or information stored in a digital format for easy access and retrieval.
• A file can contain text, images, videos, audio, or any other type of data.

• Files are organized into folders or directories to help with organization and management.

• Common file formats include .docx for Word documents, .jpg for images, and .mp3 for audio files.
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Q2. Vernier caliper least count?
Ans. 
The least count of a Vernier caliper is the smallest measurement that can be read on the scale.
• The least count of a Vernier caliper is typically 0.02 mm or 0.001 inches.

• It is determined by the number of divisions on the main scale and the Vernier scale.

• The formula to calculate least count is: Least Count = (Value of one main scale division) - (Value of one Vernier scale division).
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