Technical Service Officer Interview Questions and Answers

M in M20 refers to the mix ratio of cement, sand and aggregate in concrete.

• M20 is a mix ratio of 1:1.5:3, which means 1 part cement, 1.5 parts sand and 3 parts aggregate are used in making concrete.

• The letter 'M' stands for 'mix', and the number after it denotes the compressive strength of the concrete in megapascals (MPa) after 28 days of curing.

• The mix ratio and compressive strength of concrete vary depending on the intended use and environmental conditions.

• Other common mix...read more

Sales focuses on selling products or services, while marketing involves creating awareness and interest in those products or services.

• Sales involves direct interaction with customers to close deals, while marketing involves creating strategies to reach and attract potential customers.

• Sales is more short-term and transactional, while marketing is more long-term and relationship-building.

• Sales is about meeting the needs of existing customers, while marketing is about identifyin...read more

IS codes for PPC and OPC Cement are standards set by the Bureau of Indian Standards for quality assurance.

• IS 1489 (Part 1): 1991 - Specification for Portland Pozzolana Cement

• IS 269: 1989 - Specification for Ordinary Portland Cement