PNC Infratech Lab Technician Interview Questions and Answers

Soil testing in a lab involves analyzing the composition and properties of soil samples.

• Collect soil samples from different locations

• Perform tests to determine pH levels, nutrient content, and soil texture

• Use equipment such as pH meters, spectrophotometers, and sieves

• Interpret results to make recommendations for soil improvement

• Examples: testing for nitrogen, phosphorus, potassium levels in soil

FSI testing is done to detect the presence of foreign substances in a sample.

• FSI testing helps ensure the purity and safety of products.

• It is commonly used in the pharmaceutical and food industries.

• Examples of foreign substances that may be detected include bacteria, fungi, and chemicals.

• FSI testing can also be used to identify the source of contamination in a production process.

Bitumen ductility test is conducted to determine the ability of bitumen to stretch without breaking.

• It helps in assessing the suitability of bitumen for road construction.

• It is a measure of the viscoelastic behavior of bitumen.

• The test involves stretching a briquette of bitumen at a specific temperature and speed until it breaks.

• The ductility value is expressed in centimeters and indicates the distance the briquette st...read more