Q.C & Q.A Interview Questions and Answers

Chemistry is the study of matter and its properties while analytical chemistry is the branch that deals with the identification and quantification of substances.

• Chemistry is a broad field that encompasses the study of matter, its properties, and how it interacts with other matter.

• Analytical chemistry is a branch of chemistry that deals with the identification and quantification of substances.

• Analytical chemists use a variety of techniques to analyze samples, such as chromatog...read more

PCBs are observed for defects, errors, and quality assurance purposes.

• Soldering defects such as bridging, cold joints, and insufficient solder

• Component placement errors such as incorrect orientation or missing components

• Electrical testing for shorts, opens, and impedance

• Visual inspection for physical damage or contamination

• Quality assurance checks for adherence to industry standards and customer specifications

Possible problems in PCB layout include signal integrity issues, thermal management, and manufacturability concerns.

• Signal integrity issues can arise from improper trace routing or placement of components.

• Thermal management can be a challenge if components are too close together or if there is inadequate ventilation.

• Manufacturability concerns may include difficulty in placing or soldering components, or issues with the board's size or shape.

• Other potential problems include el...read more