EXAM QUESTIONS WITH ANSWERS LATEST UPDATED 100%
VERIFIED SOLUTIONS /ALREADY GRADED A+
What is/are the example(s) of the pozzolan materials used for
pozzolana cement? - ANSWER-ALL OF THESE!
-Silica fume
-Fly ash
-Rice hull ash
Which of the following factors must be considered while
concreting in hot weather in order to ensure the concrete
strength is protected? - ANSWER-ALL OF THES
-Ingredients
-Placing
-Curing
If the concrete surface requires frequent cleaning, or the
concrete surface is to be used as flooring, it shall have a
__________________ finish. - ANSWER-Smooth
,The property of concrete by which it can be mixed, transported
and placed in position with ease is referred as
____________________. – ANSWER-Workability
Shrinkage test is conducted to check the ________________ of
the concrete. - ANSWER-Cracking
What could be the result from over vibration while pouring the
concrete? - ANSWER-Segregation
If the concrete is planned for a stepped footing with the size 4' x
4' and 3' x 3' with a thickness of 8" for each step. Calculate the
concrete quantity - ANSWER-16.57
What is the compliance requirements that the contractor needs
to meet before the commencement of the concrete job -
ANSWER-ALL OF THESE!
-Mix design report
-Shrinkage test report
-Material compliance report
If a new slab is to be added or joined to an existing one, which of
the following will happen if the new work bleeds during
concreting. - ANSWER-The surface will develop cracks
, All of the structural steel is considered satisfactory even if it is
rusted, but still meets the density requirements, except
___________________. - ANSWER-Pre stressing steel
Explanation:
If the pre stressing steel is rusted, it cannot be used since it
does not meet the compliance requirements.
The compressive strength of concrete when treated with a 4"
cube is always
____________ than when tested with a 6" cube. - ANSWER-More
The practice of making concrete to achieve the stipulated
minimum strength and
durability and to make concrete in the best economical manner
is called
_________________. - ANSWER-Mix design
Explanation:
Mix design uses the theoretical calculations to get the desired
higher strength in concrete but yet consuming minimum cement.