Jio Interview Questions and Answers

IS standard for earth work excavation safety refers to the guidelines set by the Bureau of Indian Standards for ensuring safety during excavation work.

• IS 3764:1992 - Guidelines for safety during excavation work

• IS 4081:1986 - Safety code for blasting and related drilling operations

• IS 4082:1996 - Safety code for working in compressed air

A Civil Site Engineer is responsible for overseeing construction projects, ensuring they are completed on time, within budget, and meet quality standards.

• Managing and supervising construction activities on site

• Ensuring compliance with building codes and regulations

• Coordinating with architects, engineers, and subcontractors

• Preparing and reviewing project plans and drawings

• Monitoring progress and quality of work

• Resolving any issues or conflicts that may arise

• Ensuring safety mea...read more

There are mainly three types of paint used in industries: water-based paint, oil-based paint, and powder coating.

• Water-based paint: environmentally friendly, dries quickly, easy to clean up (e.g. latex paint)

• Oil-based paint: durable, provides a smooth finish, good for high-traffic areas (e.g. enamel paint)

• Powder coating: applied as a dry powder, cured with heat, durable and resistant to chipping and fading

The tests conducted for cement include compressive strength test, fineness test, soundness test, and setting time test.

• Compressive strength test measures the ability of cement to withstand loads

• Fineness test determines the particle size of cement

• Soundness test checks the stability of volume of cement paste

• Setting time test measures the time taken for cement to set

Types of foundations include shallow foundations, deep foundations, and special foundations.

• Shallow foundations: spread footings, mat foundations

• Deep foundations: piles, drilled shafts

• Special foundations: caissons, cofferdams