McDermott International Manager Quality Assurance Interview Questions and Answers for Experienced

Waterproofing in slushy environment requires specialized materials and techniques.

• Use waterproof membranes or coatings on surfaces that are exposed to water

• Ensure proper drainage and slope to prevent water accumulation

• Use sealants and adhesives that are specifically designed for wet environments

• Consider using waterproofing additives in concrete or other building materials

• Regularly inspect and maintain waterproofing sys

Corrosion inhibitor is a substance that is added to a liquid or gas to prevent or slow down the corrosion of metal components.

• Corrosion inhibitors work by forming a protective layer on the metal surface.

• They can be organic or inorganic compounds.

• Examples of corrosion inhibitors include chromates, phosphates, and amines.

• They are commonly used in industries such as oil and gas, automotive, and aerospace.

• Corrosion inhibit...read more

Steel can be protected from corrosion by various methods.

• Coating the steel with a protective layer such as paint or zinc

• Applying cathodic protection by connecting the steel to a sacrificial anode

• Using inhibitors to prevent the chemical reaction that causes corrosion

• Regular maintenance and inspection to identify and address any corrosion

• Controlling the environment to reduce exposure to moisture and other corrosive eleme

Self-compacting concrete is a type of concrete that can flow and fill the formwork without the need for external vibration.

• SCC is highly flowable and can easily fill complex shapes and congested reinforcement.

• It is made with a high content of fine particles, superplasticizers, and viscosity agents.

• SCC reduces labor and equipment costs and improves the quality of the finished product.

• Examples of applications include pre...read more

Accelerated curing test is a process of testing the durability of concrete by subjecting it to high temperatures and pressure.

• It is used to determine the strength and durability of concrete in a shorter time period

• The test involves subjecting concrete samples to high temperatures and pressure in a controlled environment

• The results of the test can be used to predict the long-term performance of the concrete

• Accelerated c...read more