10+ Bharat Petroleum Interview Questions and Answers

Tolerance zone for perpendicularity in GD&T is the allowable range within which a feature can deviate from being perfectly perpendicular.

• Tolerance zone for perpendicularity is a 2D cylindrical tolerance zone that is perpendicular to a datum plane.

• It is represented by two parallel planes that are a specified distance apart.

• The feature must fall within this zone to be considered perpendicular.

• The tolerance value specifies the allowable deviation from perfect perpendicularity.

• Fo...read more

The number of Medical devices documents varies depending on the type of device and its complexity.

• The number of documents can range from a few for simple devices to hundreds for complex devices.

• Common types of documents include design specifications, test reports, risk assessments, and user manuals.

• Regulatory bodies like the FDA may require specific documentation for approval.

• Documentation is crucial for ensuring the safety and effectiveness of medical devices.

Young's modulus is used in engineering to measure the stiffness of a material.

• Young's modulus is used in stress-strain analysis to determine how much a material will deform under a certain load.

• It is commonly used in structural engineering to design buildings, bridges, and other structures.

• It is also used in material science to compare the mechanical properties of different materials.

• Young's modulus is important in the automotive industry for designing vehicle components.

• It i...read more

The 3,2,1 principle of GD&T is a method used to establish a datum reference frame for geometric dimensioning and tolerancing.

• 3 points are used to establish a datum plane, 2 points to establish a datum line, and 1 point to establish a datum point.

• The 3,2,1 principle ensures that the part is securely located and oriented in a consistent manner for measurement and manufacturing processes.

• Datum features are used as reference points for specifying the location and orientation of o...read more

Gap assessment is a process of evaluating the difference between current performance and desired performance.

• Gap assessment involves identifying areas where performance falls short of expectations.

• It helps in determining the steps needed to bridge the gap between current and desired performance.

• Examples include assessing the skills gap in a workforce or evaluating the gap in compliance with industry standards.

Welding is a process of joining two or more metal parts by heating the surfaces to their melting points and allowing them to cool and fuse together.

• Welding involves the use of heat and pressure to join two or more metal parts together

• There are several types of welding processes including MIG, TIG, Stick, and Flux-Cored welding

• Welding is commonly used in manufacturing, construction, and repair industries

• Examples of welded products include cars, buildings, bridges, and pipeline...read more

Stress-strain curve shows relationship between stress applied to a material and resulting strain.

• Stress-strain curve is a graphical representation of how a material deforms under stress.

• It typically consists of a linear elastic region, yielding point, plastic deformation, and ultimate failure.

• The slope of the curve in the elastic region represents the material's stiffness or Young's modulus.

• The area under the curve represents the material's toughness or energy absorption capa...read more

Design methodology is a systematic approach to solving engineering problems by following a series of steps.

• Design methodology involves defining the problem, researching, brainstorming solutions, selecting the best solution, prototyping, testing, and refining.

• It helps ensure that the final product meets the desired requirements and functions effectively.

• Examples of design methodologies include Six Sigma, Lean Manufacturing, and Design Thinking.

Pattern features in Creo allow for creating repetitive geometry in a design.

• Pattern features can be linear, circular, or mirror patterns.

• Linear patterns create copies of a feature along a straight path.

• Circular patterns create copies of a feature around a center point.

• Mirror patterns create copies of a feature mirrored across a plane.

• Pattern features help save time and maintain design consistency.

There are various types of joints used in mechanical engineering.

• Welded joints - used for permanent joining of two metal parts

• Bolted joints - used for temporary joining of two metal parts

• Soldered joints - used for joining two metal parts with a filler metal

• Riveted joints - used for joining two metal parts with a rivet

• Adhesive joints - used for joining two metal parts with an adhesive material