__Civil Engineering Interview Q & A For Walk-In | Gammon India__

Answer: If
the ratio of Longer Span to Shorter Span is less than 2, then it is called Two
way slab.

Q2. What is
Kentledge?

Answer: It is a dead weight used for applying a test
load on a pile.

Q3. What is
the reinforcement criteria for beam?

Answer: As
per 13920 : 2016 Cl. 6.2.1, Beam shall have atleast two numbers 12 mm dia bar
each at the top and bottom faces.

Q4. What is
the percentage of water we can increase for every 25 mm slump?

Answer: As
per IS 10262 : 2009 Cl. 4.2, We can increase 3% for every additional 25 mm
slump.

Q5. As per UK
gallon, 1 Gallon equals how much litres?

Answer: 4.54
Litres

Q6. In one
way slab, Main bar is provided along which span?

Answer: Shorter
span

Q7. How we
can measure the thickness of Plaster?

Answer: Bull
mark is provided at specific distance to make sure that the required thickness
of Plaster is uniform throughout.

Q8. In
plastering, What is known as 2

^{nd}coat?
Answer:
Floating coat

Q9. What is the specific gravity
range of Bentonite slurry during Piling?

Answer: 1.05 to
1.12

Q10. What is
working load?

Answer: The load
assigned to a pile as per design.

Q11. What is
the use of Damp Proof Course?

Answer: It
prevents the moisture rising up the wall from the ground.

Q12. What is
small and large diameter pile?

Answer: As per IS 2911, Part – 1, Section – 2, Piles
of 600 mm or less in diameter are called small diameter pile and Piles greater
than 600 mm in diameter are called large diameter pile.

Q13. What is
Friction Pile?

Answer: If
the pile supports the load primarily by friction along its surface, then it is
called Friction Pile.

Q14. How much
CFT in 1 bag of Cement (50 KG) ?

Answer: 1.225
Cubic Feet

Q15. What are
the factors affecting strength of concrete?

Answer: Quality
of Raw Materials, Water – Cement Ratio, Coarse – Fine aggregate ratio,
Aggregate – Cement ratio, Curing period, Temperature, Compaction of concrete.

Q16. What is
the density of Ice?

Answer: 920
Kg per Cubic meter.

Q17. What is a
Contour Line?

Answer: A
line joining points of equal elevation is known as a Contour Line.

Q18. What is
the least count of theodolite?

Answer:The
difference between the value of the smallest division of the main scale and
that of the smallest division of the vernier scale known as the least count of
the theodolite. It is the least value that can be measured by theodolite.

Q19. What is the standard
thickness of Ceiling Plaster?

Answer: 6 mm

Q20. What is One
way slab?

Answer: If the
ratio of Longer Span to Shorter Span is more than or equal to 2, then it is
known as One way Slab.

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