JSW Group Graduate Engineer Interview Questions and Answers

General questions of basic engineering

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Q1. 1. What Is preventive maintenance and break down maintenance 2.types of break types of coupling and it's function
Ans. 
Preventive maintenance involves regular inspections and maintenance to prevent breakdowns, while breakdown maintenance is performed after a breakdown occurs.
• Preventive maintenance is planned maintenance performed on a regular basis to prevent equipment failure.

• Breakdown maintenance is reactive maintenance performed after a breakdown has occurred to restore equipment to working condition.

• Types of couplings include rigid...read more
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Q2. What is shaft , what is tolerance,it's type
Ans. 
A shaft is a rotating machine element used to transmit power. Tolerance is the allowable deviation from a specified dimension.
• Shaft is a mechanical component used to transmit power from one part of a machine to another.

• Tolerance is the permissible limit or limits of variation in a physical dimension.

• Types of tolerance include bilateral tolerance, unilateral tolerance, and limit tolerance.
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Q3. What Is Types of gears
Ans. 
Types of gears include spur gears, helical gears, bevel gears, worm gears, rack and pinion gears, and planetary gears.
• Spur gears have straight teeth and are used for parallel shafts.

• Helical gears have angled teeth for smoother operation.

• Bevel gears are used for intersecting shafts.

• Worm gears have a screw-like appearance and are used for high torque applications.

• Rack and pinion gears convert rotational motion into linea...read more
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Q4. What is Types of pumps
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Types of pumps include centrifugal pumps, positive displacement pumps, and axial flow pumps.
• Centrifugal pumps use a rotating impeller to create a flow of fluid.

• Positive displacement pumps move fluid by trapping a fixed amount and forcing it through the discharge.

• Axial flow pumps move fluid parallel to the pump shaft.

• Examples: Centrifugal pump - water pump, Positive displacement pump - gear pump, Axial flow pump - prope
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Q1. Diff b/w stress and pressure Udl uvl of cantilever beams diagram What is strength What is process
Ans. 
Stress is internal resistance to deformation, while pressure is force applied over an area. Strength is the ability to withstand stress, and process refers to a series of actions or steps.
• Stress is the internal resistance to deformation in a material, measured in force per unit area (e.g. N/m^2 or Pa).

• Pressure is the force applied perpendicular to the surface of an object, measured in force per unit area (e.g. N/m^2 or...read more
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Q1. What is tolerance? What are types of gears?
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Tolerance is the permissible limit of variation in a dimension or property of a material. Types of gears include spur, helical, bevel, worm, etc.
• Tolerance is the difference between the maximum and minimum limit of a dimension or property.

• It is important in manufacturing to ensure proper fit and function of parts.

• Types of gears include spur, helical, bevel, worm, rack and pinion, etc.

• Spur gears are the most common type ...read more
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