GB Global Interview Questions and Answers

There are three types of Slump Test: True Slump Test, Shear Slump Test, and Collapse Slump Test.

• True Slump Test measures the consistency of concrete.

• Shear Slump Test measures the stability of concrete.

• Collapse Slump Test measures the water content of concrete.

• All three tests are important in determining the quality of concrete.

• The tests are conducted by filling a slump cone with concrete and measuring the slump of the concrete after the cone is removed.

The density of cement varies depending on the type and brand.

• The density of ordinary Portland cement is around 3.15 g/cm³

• The density of white cement is around 2.9 g/cm³

• The density of rapid hardening cement is around 3.25 g/cm³

• The density of low heat cement is around 3.0 g/cm³

The area of a cylinder is calculated by multiplying the height by the circumference of the base.

• The formula for the area of a cylinder is A = 2πr² + 2πrh

• The area of a cylinder is measured in square units

• The height and radius of the cylinder are needed to calculate the area

The density of steel is around 7.85 g/cm³.

• The density of steel varies depending on its composition and temperature.

• Steel is denser than most common metals like aluminum and copper.

• The density of steel is often used in engineering calculations and material selection.

To calibrate FIT, PIT, TIT, PDIT, LIT, PG, and TG, one needs to follow specific procedures and use calibrated equipment.

• Use calibrated equipment such as pressure gauges, thermometers, and flow meters

• Follow the manufacturer's instructions for calibration procedures

• Ensure that the instrument is clean and free from any debris or contaminants

• Perform a zero and span calibration to ensure accuracy

• Record all calibration data and compare it to previous calibration records

• Perform regu...read more

Calibrating instruments involves adjusting and verifying their accuracy to ensure reliable measurements.

• Identify the instrument to be calibrated and gather necessary calibration standards and tools.

• Follow the manufacturer's instructions and guidelines for calibration procedures.

• Perform initial checks and adjustments to ensure the instrument is in a stable and suitable condition for calibration.

• Compare the instrument's readings to known reference standards and make necessary a...read more