10+ QA QC Mechanical Engineer Interview Questions and Answers

Residual Camber is the amount of curvature that remains in a structural member after it has been manufactured or formed.

• Residual Camber is a common term used in the field of structural engineering.

• It refers to the amount of curvature that remains in a structural member after it has been manufactured or formed.

• It is typically measured as the difference between the actual curvature and the desired or intended curvature of the member.

• Residual Camber can occur in various types of...read more

Launching a girder at height involves careful planning and execution.

• Ensure proper lifting equipment and rigging are used

• Conduct a thorough risk assessment and develop a detailed lifting plan

• Coordinate with a team of skilled personnel to ensure safe and efficient execution

• Use cranes or other lifting devices to hoist the girder to the desired height

• Ensure proper alignment and positioning of the girder during the lifting process

• Monitor and control the lifting operation to mitig...read more

To calculate the amount of pipe required for a project, you need to consider factors such as pipe diameter, length, fittings, and wastage.

• Determine the required pipe diameter based on the project specifications and flow requirements.

• Calculate the total length of pipe needed by considering the layout and routing of the piping system.

• Include additional pipe length for fittings, such as elbows, tees, and reducers.

• Account for wastage due to cutting, threading, and joining of pipe...read more

E7018 welding rod flux is made of a combination of materials including iron powder, rutile, and cellulose.

• E7018 welding rod flux is a type of electrode used in welding.

• The flux is made up of a combination of materials including iron powder, rutile, and cellulose.

• The iron powder helps to increase the deposition rate of the weld, while the rutile provides good arc stability and easy slag removal.

• The cellulose helps to create a protective gas shield around the weld, preventing c...read more

Matching hole fairness involves ensuring that the dimensions and alignment of holes in mechanical components meet specified standards.

• Use precision measuring tools like calipers and micrometers to measure hole dimensions

• Check hole alignment using alignment pins or laser alignment tools

• Compare measured dimensions and alignment with specified tolerances

• Use visual inspection to check for burrs, rough edges, or other surface imperfections

• Ensure proper hole chamfer or countersink ...read more

To maintain positive camber, adjust the suspension components and alignment angles.

• Check and adjust the camber angle using a camber gauge

• Inspect and replace worn or damaged suspension components

• Adjust the suspension height or preload

• Ensure proper alignment of the wheels

• Use shims or adjustable control arms to fine-tune the camber angle

The Cirseam is welded in the horizontal position.

• Cirseam is a type of weld used in mechanical engineering.

• It is typically performed in the horizontal position.

• Horizontal position welding allows for better control and penetration of the weld.

• Examples of applications where Cirseam is welded include pressure vessels, pipelines, and structural components.

Aluminium alloy defects include porosity, cracking, and distortion.

• Porosity caused by gas entrapment during casting

• Cracking due to thermal stresses or improper cooling

• Distortion from uneven cooling or improper machining

• Inclusions of foreign materials

• Corrosion from exposure to certain environments

Pipe material grade refers to the strength and composition of the material used in pipes.

• Pipe material grade is important for determining the suitability of a pipe for a particular application.

• Different grades of pipe material have different properties, such as strength, corrosion resistance, and temperature tolerance.

• Common pipe material grades include ASTM A106 for carbon steel pipes and ASTM A312 for stainless steel pipes.

Centrifugal pumps use rotational energy to move fluids, relying on centrifugal force to increase fluid pressure and flow rate.

• Centrifugal pumps consist of an impeller, which rotates to impart kinetic energy to the fluid.

• The fluid enters the pump through the eye of the impeller and is accelerated outward by centrifugal force.

• As the fluid moves outward, its velocity increases, converting kinetic energy into pressure energy.

• Common applications include water supply systems, HVAC ...read more