L.G.Balakrishnan & Bros QA QC Engineer Interview Questions and Answers

TBO stands for Time Between Overhaul in coupler, which is the time interval between two overhauls of a coupler.

• TBO is a maintenance term used in the aviation industry.

• It refers to the time interval between two overhauls of a coupler.

• During an overhaul, the coupler is disassembled, inspected, repaired, and reassembled.

• The TBO for a coupler depends on the manufacturer's recommendations and the coupler's usage.

• Exceeding t...read more

Quality is meeting or exceeding customer expectations and requirements.

• Quality is a measure of how well a product or service meets customer needs and expectations.

• It involves meeting or exceeding customer requirements and specifications.

• Quality can be measured through various metrics such as defect rates, customer satisfaction, and reliability.

• Quality is a continuous process that involves identifying and addressing are...read more

Poka yoke is a quality control technique used to prevent errors or defects in a process.

• Poka yoke aims to eliminate mistakes by designing processes or systems that make errors impossible or immediately detectable.

• It involves implementing foolproof mechanisms, such as sensors, alarms, or physical barriers, to prevent or correct errors.

• For example, a poka yoke in a manufacturing line could be a sensor that detects if a c...read more

Statistical Process Control (SPC) is a quality tool used to monitor and control processes to ensure they are within acceptable limits.

• SPC involves collecting and analyzing data to identify and eliminate sources of variation in a process.

• Control charts are commonly used in SPC to visually display process data and identify any trends or patterns.

• Examples of SPC tools include histograms, Pareto charts, scatter diagrams, a

Cp and Cpk are statistical tools used to measure process capability and determine if a process is capable of producing products within specification limits.

• Cp measures the potential capability of a process to meet specifications

• Cpk measures the actual capability of a process to meet specifications

• Both Cp and Cpk are calculated using the process mean and standard deviation, as well as the upper and lower specification l...read more

SPC stands for Statistical Process Control. It is a method used to monitor and control processes to ensure they are operating within acceptable limits.

• SPC involves collecting and analyzing data to identify and reduce process variation.

• It helps in detecting and preventing defects or errors in a process.

• Control charts are commonly used in SPC to visually display process data and identify any trends or patterns.

• SPC can be...read more