Questions with Answers

Some Questions with Answers ( Abbas Tahir )

Initial and FinaL Setting time of cement ? 

• Cement’s initial setting time should be 30 min(Minimum) and 90 min(maximum).
• Final setting time of cement should be=10 hours

What type of test should perform for a road’s improved subgrade sand filling:

• 1.FM of fine aggregates
• 2.California bearing ratio
• 3.Dynamic cone penetration test
• 4.MDD of fine aggregate
• 5.Field Dry Density.

What type of test should perform for earth filling in Embankment with specified soil:

• 1.Plasticity index.

What type of test should perform for Concrete Work:

• 1.Setting time of cement
• 2.Compressive strength of cement
• 3.Gradation of Coarse aggregates.
• 4.FM of fine aggregates.
• 5.Water absorption of coarse aggregates
• 6.Loss angels abrasion test
• 7.Concrete cylinder casting & testing

What type of test should perform for M.S High strength deform bar

• 1.Tensile strength,Elongation and unit wt.

What type of test should be perform for Brick work:

• 1.Setting time of cement
• 2.Compressive strength of cement
• 3.FM of fine aggregates
• 4.Compressive strength of brick
• 5.Water absorption of brick
• 6.Efflorescence of brick.

1 cum cement=how much bag?
answer:30 bags.
1cum =how much brick?
answer=500 nos
1bag cement= volume ?
0.0347 cum cement.
What is the volume of per bag cement?
Answer:1.25 cubic ft
what is the weight of per bag cement?
Answer:50kg or 112pb
How much water absorb of a brick if the brick take rest for 24 hours in under neath the water?
answer:1/5or1/6 of the brick wt.
what is the measurement of a brick?
answer:9.5in*4.5in*2.75in(without mortar)
answer:10in*5in*3in(with mortar)




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