Johnson Controls Senior Design Engineer Interview Questions, Process, and Tips

Q1. Pneumatic safety valves
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Q2. Ball screw selection
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Q3. Hydraulics and components used in hydraulics
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Hydraulics involve the use of fluids to transmit power in mechanical systems, with components like pumps, cylinders, valves, and hoses.
• Hydraulics use incompressible fluids to transmit power

• Components include pumps to generate fluid flow, cylinders to convert fluid power into mechanical power, valves to control flow direction, and hoses to connect components

• Common examples include hydraulic systems in heavy machinery, a
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Q4. Projects in the previous company
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Q5. What did you learn in your 1st and 2nd company
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Q1. No questions, direct salary discussion and early joining
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General questions regarding current events mathematical logical questions etc

Q1. What is tolerance stack up & what is IT grades?
Ans. 
Tolerance stack up is the accumulation of variations in dimensions and tolerances in a product design. IT grades are international standards for tolerances.
• Tolerance stack up occurs when the cumulative effect of individual part tolerances results in a deviation from the intended design.

• IT grades, such as IT01, IT0, IT1, etc., are used to specify the level of tolerance allowed for a particular dimension or feature.

• Under...read more
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Q2. Calculations based on pneumatics and hydraulic selection etc.
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Q3. What is anti friction bearings explain.
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Anti-friction bearings are designed to reduce friction between moving parts, allowing for smooth and efficient operation.
• Anti-friction bearings use rolling elements (such as balls or rollers) to reduce friction between two surfaces in contact.

• They are commonly used in machinery and equipment to support rotating or linear motion.

• Examples include ball bearings, roller bearings, and needle bearings.

• These bearings are desi...read more
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Q4. What is type of splines?
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Splines are mechanical components used to transfer torque between two rotating objects while allowing for slight misalignment or movement.
• Splines are used in mechanical engineering to transfer torque between shafts or other rotating components.

• There are different types of splines including involute, straight-sided, and serrated splines.

• Splines allow for slight misalignment or movement between the connected components w
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Q5. What is PU and PTFE explain
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PU stands for polyurethane, a versatile polymer used in various applications. PTFE stands for polytetrafluoroethylene, a synthetic fluoropolymer known for its non-stick properties.
• PU is a type of polymer that can be rigid or flexible, commonly used in foam insulation, coatings, adhesives, and sealants.

• PTFE is a synthetic fluoropolymer with high heat resistance and low friction, often used in non-stick cookware, gaskets
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Q1. What are the symbols used in Geometric Dimensioning and Tolerancing (GD&T)?
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Q2. What is the explanation of your project?
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Q1. I have been using blender for the past 2 years, so they asked how would I learn their 3d Software, i.e., 3Ds Max
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Making an animated clip from a reference video provided.

Q1. How would I adjust here in acooperate coming from a gaming background with no real work overlap.
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Q1. Questions about my process and skills in 3D modelling and Animation.
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