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Pems Engineering Consultants
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I applied via Naukri.com and was interviewed in Sep 2022. There were 2 interview rounds.
The grade of concrete is determined by the ratio of cement, sand, and aggregate used in it.
M5 grade concrete has a ratio of 1:5:10 of cement, sand, and aggregate respectively.
M30 grade concrete has a ratio of 1:0.5:1 of cement, sand, and aggregate respectively.
The higher the grade of concrete, the stronger it is.
The ratio of cement, sand, and aggregate can vary depending on the specific requirements of the project.
Slump test measures the consistency of concrete.
Slump test is a standard test to determine the workability of concrete.
The result of the test is expressed in millimeters.
The acceptable range for the slump test is 25+/-10.
If the slump is too low, the concrete may be too stiff to work with, and if it's too high, it may be too runny.
The test is performed by filling a slump cone with concrete and then lifting the cone to s...
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posted on 11 Sep 2022
I was interviewed in Aug 2022.
Bituminous laying temperature is 130-150°C and rolling temperature is 80-100°C.
Bituminous laying requires higher temperature than rolling.
Temperature range ensures proper compaction and adhesion.
Temperature can vary based on the type of bitumen and aggregate used.
Proper temperature control is crucial for quality bituminous pavement.
Material suitability criteria for aggregate in construction projects.
Aggregate size should be 26.5 mm or less.
Water absorption should not exceed 2%.
Soundness test should show Naso4 not more than 12% and Mgso4 not more than 18%.
Angle of abrasion should be less than 35% with max FI & EI less than 35%.
Equivalent weight of sand should not be less than 50%.
Aggregate should not be alkaline reactive.
MDD & MCC should be as per
The design procedure for DLC mix includes using M15 grade concrete, minimum cement content of 150 kg/cum, and achieving a compressive strength of at least 10 MPA after 7 days of curing.
Use M15 grade concrete with aggregate and cement ratio of 12:1
Minimum cement content of 150 kg/cum, or 120 kg/cum if fly ash content is over 20%
Achieve a compressive strength of at least 10 MPA after 7 days of curing
DLC mix should be hom...
The question is about the suitability of aggregate size and water absorption for PQC with a total thickness of 300mm and tolerance of +/-6mm.
Aggregate size of 31.5mm is suitable for PQC with a total thickness of 300mm and tolerance of +/-6mm.
Water absorption to GSB DLC being the same for PQC is also suitable.
The suitability of the material is important for the successful completion of the project.
The design procedure for cement concrete includes minimum cement content, strength requirements, dowel bar and tie bar specifications, and surface preparation and curing techniques.
Minimum cement content of 360 kg/cum if fly ash is more than 20%, and 310 kg/cum otherwise
Flexural strength of cement concrete after 28-day curing should be 4.5 MPa, and compressive strength should be 40 MPa
Dowel bar size of 32mm dia and 300...
posted on 2 Mar 2024
posted on 11 Sep 2022
I was interviewed in Aug 2022.
Bituminous laying temperature is 130-150°C and rolling temperature is 80-100°C.
Bituminous laying requires higher temperature than rolling.
Temperature range ensures proper compaction and adhesion.
Temperature can vary based on the type of bitumen and aggregate used.
Proper temperature control is crucial for quality bituminous pavement.
Material suitability criteria for aggregate in construction projects.
Aggregate size should be 26.5 mm or less.
Water absorption should not exceed 2%.
Soundness test should show Naso4 not more than 12% and Mgso4 not more than 18%.
Angle of abrasion should be less than 35% with max FI & EI less than 35%.
Equivalent weight of sand should not be less than 50%.
Aggregate should not be alkaline reactive.
MDD & MCC should be as per
The design procedure for DLC mix includes using M15 grade concrete, minimum cement content of 150 kg/cum, and achieving a compressive strength of at least 10 MPA after 7 days of curing.
Use M15 grade concrete with aggregate and cement ratio of 12:1
Minimum cement content of 150 kg/cum, or 120 kg/cum if fly ash content is over 20%
Achieve a compressive strength of at least 10 MPA after 7 days of curing
DLC mix should be hom...
The question is about the suitability of aggregate size and water absorption for PQC with a total thickness of 300mm and tolerance of +/-6mm.
Aggregate size of 31.5mm is suitable for PQC with a total thickness of 300mm and tolerance of +/-6mm.
Water absorption to GSB DLC being the same for PQC is also suitable.
The suitability of the material is important for the successful completion of the project.
The design procedure for cement concrete includes minimum cement content, strength requirements, dowel bar and tie bar specifications, and surface preparation and curing techniques.
Minimum cement content of 360 kg/cum if fly ash is more than 20%, and 310 kg/cum otherwise
Flexural strength of cement concrete after 28-day curing should be 4.5 MPa, and compressive strength should be 40 MPa
Dowel bar size of 32mm dia and 300...
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