Difacto Robotics and Automation Interview Questions, Process, and Tips

Simple question about your carrier

Q1. About welding fixture
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Aptitude test will be there for all levels expect management level.

Have to answer for about 80questions.

Q1. Technical interview about to check the candidate technical knowledge
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Q2. Previous projects, calculations and most important basic knowledge
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Q1. HR round to negotiate the salary
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Q2. What's your expectations
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Q1. Tell about your family
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Q2. Where do you live place
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Q1. Specific gravity of different materials like aluminium, tangstan, mild steel, stainless steel etc
Ans. 
Specific gravity varies for different materials. Aluminium - 2.7, Tungsten - 19.3, Mild Steel - 7.85, Stainless Steel - 7.9
• Specific gravity is the ratio of the density of a substance to the density of a reference substance.

• Aluminium has a specific gravity of 2.7, making it a lightweight metal.

• Tungsten has a specific gravity of 19.3, making it a very dense metal.

• Mild steel has a specific gravity of 7.85, making it a rel...read more
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Q2. What is torque and it's SI Unit
Ans. 
Torque is a measure of the twisting force that causes rotation. Its SI unit is Newton-meter (Nm).
• Torque is the product of force and the perpendicular distance from the axis of rotation to the line of action of the force.

• It is a vector quantity and is measured in Newton-meter (Nm) in the SI system.

• Torque is important in mechanical engineering as it is used to measure the effectiveness of a machine or engine.

• Examples of ...read more
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Q3. Direction of gears (pictorial)
Ans. 
The direction of gears depends on the type of gear and its application.
• Spur gears rotate in opposite directions when meshed together.

• Helical gears rotate in the same direction when meshed together.

• Bevel gears change the direction of rotation by 90 degrees.

• Worm gears can rotate in either direction depending on the orientation of the worm and gear.

• The direction of rotation can also be reversed by adding an idler gear.
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Q1. What is force and it's SI unit?
Ans. 
Force is a physical quantity that changes the state of motion of an object. Its SI unit is Newton (N).
• Force is a push or pull that can change the motion of an object.

• It is a vector quantity, meaning it has both magnitude and direction.

• The SI unit of force is Newton (N), named after Sir Isaac Newton.

• 1 N is defined as the force required to accelerate a mass of 1 kg at a rate of 1 m/s^2.

• Other common units of force include
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Q2. About project and need to show proof
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Q3. What is 1st and 3rd angle projection?
Ans. 
1st and 3rd angle projection are two methods of representing a 3D object on a 2D plane in engineering drawings.
• 1st angle projection is commonly used in Europe and Asia, while 3rd angle projection is commonly used in North America.

• In 1st angle projection, the object is imagined to be in between the viewer and the plane of projection, while in 3rd angle projection, the object is imagined to be behind the plane of project...read more
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