Nokia Networks Sdet Lead Interview Questions and Answers for Experienced

Design considerations for castings

• Selection of appropriate casting method

• Designing for proper material flow and solidification

• Proper gating and riser design

• Consideration of parting line and draft angles

• Designing for minimum machining requirements

• Selection of appropriate material and heat treatment

• Consideration of casting defects and how to prevent them

Sheet metal design considerations include material selection, bend radius, hole size, and tolerances.

• Choose the appropriate material for the application

• Ensure proper bend radius to avoid cracking or deformation

• Consider hole size and placement for optimal functionality

• Determine tolerances for accurate and consistent production

• Account for any necessary finishing processes such as painting or coating

Casting design consideration is important for ensuring the quality and integrity of the final product.

• Selection of appropriate casting material

• Designing the mold to avoid defects like shrinkage, porosity, and cracks

• Proper gating and riser design to ensure proper flow of molten metal

• Consideration of post-casting processes like heat treatment and machining

• Designing for ease of manufacturing and assembly

IP ratings are used to determine the level of protection provided by an enclosure against dust and water.

• IP stands for Ingress Protection

• The rating consists of two digits, the first indicating protection against solid objects and the second indicating protection against liquids

• For example, an IP68 rating means the enclosure is dust-tight and can be submerged in water for extended periods of time

• IP ratings are important...read more