Duroshox Senior Engineer Interview Questions and Answers

Q1. Past experiences & qualification , job flexibility
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Q1. Tool room related
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Reasoning, enlish , appitude

Q1. Job leave resonal , future planing
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Q1. What is limit switch.
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A limit switch is a device that is used to detect the presence or absence of an object within a certain range of motion.
• Limit switches are commonly used in industrial applications to control machinery and equipment.

• They consist of an actuator that is mechanically linked to a set of contacts, which are opened or closed depending on the position of the actuator.

• Limit switches can be used to stop the motion of a machine w...read more
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Q2. Types of cooling use in dies.
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Types of cooling used in dies include water cooling, air cooling, and oil cooling.
• Water cooling: uses water to remove heat from the die

• Air cooling: uses air to cool the die

• Oil cooling: uses oil to dissipate heat from the die
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Q3. Material and hrc of die parts.
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Material and hrc of die parts are crucial for determining the durability and performance of the parts.
• Material selection for die parts depends on factors like strength, wear resistance, and thermal conductivity.

• Common materials used for die parts include tool steels like H13, D2, and A2.

• Hardness of die parts is typically measured using Rockwell Hardness Scale (HRC).

• Higher HRC values indicate greater hardness and wear r...read more
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Q4. What type of breakdown in dies on machine.
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Breakdown in dies on machine can be due to wear and tear, misalignment, overheating, or material defects.
• Wear and tear from continuous use can lead to cracks or breakage in the dies.

• Misalignment of the dies can cause them to wear unevenly or break prematurely.

• Overheating of the dies can weaken their structure and lead to failure during operation.

• Material defects in the dies, such as impurities or weak spots, can cause ...read more
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Q1. Introduction and family background.
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Q2. Do you now anyone in Ahresty.
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Q3. Salary discussion.
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Q1. Machine related questions Ans Injections moulding horizontal type machine handle
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Q1. It was almost 45- 50bmin technical discussion On requirement writing and processes
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Q1. HR round had an generic question like Salary expectation, why leaving current organization, what are long term goals
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Q1. Types of bearing
Ans. 
Bearings are mechanical components that allow for smooth rotation or movement between two parts.
• Types of bearings include ball bearings, roller bearings, plain bearings, and fluid bearings.

• Ball bearings use balls to reduce friction between two surfaces.

• Roller bearings use cylindrical rollers to support radial and axial loads.

• Plain bearings have a simple design with no rolling elements.

• Fluid bearings use a thin layer of
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Q2. How to measure ID by seeing bearing
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ID can be measured by observing the bearing of an object in relation to a known point.
• Use a compass to determine the bearing of the object from the known point.

• Measure the angle between the direction of the object and the known point.

• Calculate the ID using trigonometry based on the angle and the distance between the object and the known point.
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Q1. Questions on projects from college and on core subjects like Thermodynamics, SOM, Production etc.
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