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Viska Interview Questions and Answers
Q1. What is the characteristic compressive strength of concrete.
The characteristic compressive strength of concrete is the strength of concrete at 28 days of curing.
It is the strength of concrete after 28 days of curing
It is the strength at which the concrete can bear the maximum load without failure
It is determined by testing a sample of concrete in a compression testing machine
The characteristic compressive strength is used to design concrete structures
For example, if the characteristic compressive strength of concrete is 30 MPa, it mea...read more
Q2. How can we conduct the sieve analysis of sand & Agreegate.
Sieve analysis of sand & aggregate is conducted to determine the particle size distribution.
Collect a representative sample of sand or aggregate.
Weigh the sample and record the weight.
Prepare a series of sieves with different mesh sizes.
Stack the sieves in ascending order of mesh size, with the finest sieve at the bottom.
Place the sample on the top sieve and cover it with a lid.
Shake the sieves manually or using a mechanical shaker for a specific duration.
After shaking, weigh...read more
Q3. What is the exact height of falling of concrete as per is IS 456: 2000
The exact height of falling of concrete is not specified in IS 456: 2000.
IS 456: 2000 does not provide a specific height for the falling of concrete.
The standard focuses on the design and construction requirements for reinforced concrete structures.
It covers aspects such as materials, mix proportions, workmanship, and quality control.
The height of falling concrete may be specified in project-specific specifications or guidelines.
Consulting project specifications or relevant c...read more
Q4. What is the slump value of mass concreting
The slump value of mass concreting refers to the measure of consistency or workability of the concrete mixture.
Slump value is determined by conducting a slump test on freshly mixed concrete.
It indicates the flow and compactability of the concrete.
The slump value is measured in millimeters and can range from 0 to 200 mm.
Higher slump values indicate a more fluid and workable concrete mixture.
Lower slump values indicate a stiffer and less workable concrete mixture.
The slump valu...read more
Q5. How can we conduct concrete cube test.
Concrete cube test is conducted to measure the compressive strength of concrete.
Prepare the concrete cubes by using a standard mix design.
Fill the cube moulds with freshly mixed concrete in layers.
Compact the concrete using a vibrating table or a vibrating poker.
Smooth the surface of the cubes using a trowel.
Label each cube with relevant information like date, mix design, etc.
Cure the cubes in a curing tank or moist environment for a specified period.
After the curing period, ...read more
Q6. How you handle the project based on safety because you will be our newly department which is recently created by the management?
I prioritize safety in all aspects of project management by implementing safety protocols, conducting regular safety inspections, and providing safety training to all team members.
Implement safety protocols and procedures to ensure a safe work environment
Conduct regular safety inspections to identify and address potential hazards
Provide safety training to all team members to increase awareness and promote safe practices
Encourage open communication about safety concerns and em...read more
Q7. Preparation of BOQ and BBS
Preparation of BOQ and BBS involves detailed quantity take-offs and scheduling of materials and labor.
BOQ (Bill of Quantities) is a detailed list of items, quantities, and rates required for a construction project.
BBS (Bar Bending Schedule) is a detailed reinforcement calculation for concrete structures.
Preparation of BOQ involves quantity take-offs from drawings and specifications.
BBS includes detailed calculations of reinforcement bars required for each structural element.
A...read more
Q8. Which grade concrete use in ohsr?
Q9. What is the size of raft?
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