Karishma Marine Solutions Interview Questions and Answers

Safety during blasting is maintained through proper planning, communication, training, and monitoring.

• Develop a detailed blasting plan that includes safety procedures and precautions.

• Ensure all personnel involved in the blasting operation are properly trained and certified.

• Implement exclusion zones to keep unauthorized personnel away from the blast site.

• Use warning signals and alarms to alert workers before blasting.

• Monitor weather conditions and adjust blasting schedule acco...read more

Sieve analysis is a method used to determine the particle size distribution of a granular material.

• Sieve analysis involves passing a sample of material through a series of sieves with progressively smaller openings.

• The size of the sieve openings varies, typically ranging from 3 inches to 3 microns.

• The material retained on each sieve is weighed and the percentage of total material retained on each sieve is calculated.

• The results of sieve analysis are used to determine the grad...read more

Types of rock commonly encountered in construction include sedimentary, igneous, and metamorphic. Blasting methods include controlled blasting, presplitting, smooth blasting, and line drilling.

• Sedimentary rock is formed from sediment such as sand, silt, or clay. Examples include limestone and sandstone.

• Igneous rock is formed from cooled and solidified magma or lava. Examples include granite and basalt.

• Metamorphic rock is formed from existing rock that undergoes high heat and ...read more

The time cycle for box girder erection varies depending on factors such as size, complexity, equipment availability, and workforce efficiency.

• Time cycle can range from a few days to several weeks, depending on the project requirements.

• Factors such as weather conditions and site accessibility can also impact the time cycle for box girder erection.

• Efficient planning, coordination, and communication among the construction team are essential to minimize delays and ensure timely c...read more

Types of compactors include plate compactors, vibratory rollers, and rammer compactors.

• Plate compactors are used for small-scale compaction of soil and asphalt.

• Vibratory rollers are used for larger areas and provide a smooth finish.

• Rammer compactors are used for compacting cohesive soils in confined spaces.