Top 250+ Solved Concrete Technology MCQ Questions Answer
Q. For consistency test vicat plunger having ……. dia and …….. Length is used.
a. 15 mm & 45 mm
b. 10 mm & 50 mm
c. 20 mm & 60mm
d. Any of above
Q. For OPC Value of IST And FST is…… .
a. 30 m & 600 m
b. 50 m & 700 m
c. 20m & 500 m
d. 40m & 800 m
Q. For compressive strength test of cement ………. water is added.
a. p/3 + 3
b. p/2 + 3
c. p/4 + 3
d. p/5 +3
Q. Undesirable expansion of some of constituents of cement after setting is known as……… .
a. Soundness
b. unsoundness
c. none
d. all
Q. Material between…………… is classified as silt.
a. 002 mm to 0.003 mm
b. 0.08 mm to 1 mm
c. 8 mm to 10 mm
d. 0.06 mm to 0.002 mm
Q. Angular aggregate having percentage of voids ranging from……….
a. 32 to 33
b. 35 to 38
c. 38 to 40
d. 40 to 45
Q. In crushing value test of aggregate, gradually compressive load of….. Tons is apply.
a. 40
b. 50
c. 44
d. 45
Q. Specific gravity of natural aggregate lie between……
a. 2.5 to 2.6
b. 2.6 to 2.7
c. 2.6 to 2.8
d. 2.8 to 2.9
Q. The diameter of the pipe line used for transportation of concrete by pumps should not exceed
a. 10 cm
b. 20 cm
c. 30 cm
d. 40 cm
Q. The inert mineral material used for the manufacture of mortars and concretes is
a. cement
b. water
c. aggregate
d. admixture
Q. Which of the following cements is expected to have the highest compressive strength after 3 days.
a. ordinary Portland cement
b. rapid hardening cement
c. high alumina cement
d. sulphate resisting cement
Q. In the manufacture of cement, the dry or wet mixture of calcareous and argillaceous materials is burnt in a
a. country kiln
b. continuous flare kiln
c. rotary kiln
d. all of these
Q. The knowledge of a standard consistency of a cement paste is essential to perform
a. setting time test
b. soundness test
c. compressive strength test
d. all of these