LG International Refrigeration Technician Interview Questions and Answers

An engineering drawing is a detailed and precise graphical representation of an object or structure, typically used in the design and manufacturing process.

• Engineering drawings provide detailed information about the size, shape, and dimensions of components or products.

• They often include annotations, symbols, and notes to convey specific instructions or specifications.

• Common types of engineering drawings include orthog...read more

Calibration is the process of adjusting or checking a device to ensure it is accurate and functioning correctly.

• Calibration involves comparing measurements of a device to a known standard.

• It is necessary for maintaining accuracy and reliability of equipment.

• Examples include calibrating thermometers, scales, and pressure gauges.

First angle method and third angle method are two different approaches used in engineering drawings to represent the 3D views of an object on a 2D plane.

• First angle method is commonly used in Europe and Asia, where the top view is placed below the front view and the right side view is placed to the left of the front view.

• Third angle method is commonly used in North America, where the top view is placed above the front ...read more

List of measuring instruments and their least count

• Vernier caliper - 0.02 mm

• Micrometer screw gauge - 0.01 mm

• Measuring tape - 1 mm

• Thermometer - 0.1 degree Celsius

• Graduated cylinder - 1 mL

7 QC tools are a set of techniques used for quality control and problem-solving in manufacturing and service industries.

• 1. Check Sheet: Used to collect and analyze data in a systematic way.

• 2. Pareto Chart: Helps identify the most significant factors contributing to a problem.

• 3. Cause and Effect Diagram (Fishbone Diagram): Used to identify and analyze potential causes of a problem.

• 4. Histogram: Represents data distribut...read more