#2 | Exam Questions & Expertly
Verified Answers (Latest Update 2025 |
2026) with A+ Grade.
Quiz_________________?
The maximum size of the conduit or pipe shall NOT exceed _______ of the thickness of
the concrete. -
Answer✅
1/3
Quiz_________________?
Which of the following tests for concrete is conducted at the site/field? -
Answer✅
Color Test
Explanation:
Rest of the above are laboratory tests.
Quiz_________________?
If the concrete compressive strength specified is less than 3600 psi, it has the option of
being tested at 28 days and is able to accept the concrete if it attains ___________
percentage of the minimum required strength. -
Answer✅
85
1
, Quiz_________________?
If the admixtures are used in concrete for the purpose of delayed setting and hardening of
concrete, they are called _____________? -
Answer✅
Retarders
Quiz_________________?
Which of the following are the general types of vibrating needles that are in use? -
Answer✅
ALL ANSWERS!
-Internal vibrators
-Immersion vibrators
-Surface vibrators
Quiz_________________?
Concrete proportioning is done based on the facilities available at the site. Which are the
general proportioning methods used for concrete? -
Answer✅
ALL OF THESE
-Surface area method
-Mix design based on flexural strength
-Maximum destiny method
Quiz_________________?
The minimum cementitious material that is required for concrete bridging deck is
______________lbs/cu yd. -
2
, Answer✅
675
Quiz_________________?
The amount of free water used in concrete shall not exceed ____________ pounds per
cubic yard of concrete. -
Answer✅
310
Explanation:
If the SCM are added, it can be increased to 20 pounds per each required 100 pounds of
cementitious material in excess of 550 pounds per cubic yard.
Quiz_________________?
If the concrete curbs are to be constructed over the existing pavement,
_______________ are used to fix them to pavement. -
Answer✅
Steel dowels
Quiz_________________?
Which of the following is NOT an example of blended cement? -
Answer✅
Combination of silica fume and chlorine fluoride
Explanation:
Blended cement is a combination of either Type || or Type V cement with any of the SCM
Quiz_________________?
Which of the following is a line at which the face of the curb meets the top of the payment?
-
3