Concrete Technology Mock Test 8

10%

Question 1 of 10

1. Quality control helps to ____________ the risks of overdesign that ___________ the overall cost.

Maximize, Increase

Maximize, Decrease

Minimize, Increase

Minimize, Decrease

Question 1 of 10

Question 2 of 10

2. The lower the w/c ratio ___________ the strength of concrete.

Lower

Poor

Higher

Moderate

Question 2 of 10

Question 3 of 10

3. Quality management system _________ perception of customers towards company.

Deprove

Improves

Worsen

Recede

Question 3 of 10

Question 4 of 10

4. According to IRC:15-2011, Minimum cement content for 4.5 N/mm² characteristic flexural strength for OPC + fly ash mix OPC shall ____________

Shall not be less than 500 kg/m³

Shall not be less than 360 kg/m³

Shall not be less than 425 kg/m³

Shall not be less than 340 kg/m³

Question 4 of 10

Question 5 of 10

5. According to IRC:15-2011, maximum free W/C ratio for PPC is _________

.45

.55

Question 5 of 10

Question 6 of 10

6. In universal testing machine, for a circular section specimen, the gauge length is taken to be _____________

5.65 √A

6.65 √A where A is the area of cross section of the specimen

3.65 √A

4.65 √A

Question 6 of 10

Question 7 of 10

7. The basic requirement for the success of any quality control plan is the availability of experienced, knowledgeable and trained personnel at all levels.

True

False

Question 7 of 10

Question 8 of 10

8. What C39 test under the Standard ASTM test method?

Test Method for Unit Weight, Yield, and Air Content (Gravimetric) of Concrete

Test Method for Slump of Hydraulic Cement Concrete

Test Method for Compressive Strength of Cylindrical Specimen

Test Method for Making and Curing Concrete Test Specimens in the Field

Question 8 of 10

Question 9 of 10

9. According to IRC:15-2011, Minimum cement content for 4.5 N/mm² characteristic flexural strength for PPC shall _________

Shall not be less than 340 kg/m³

Shall not be less than 425 kg/m³

Shall not be less than 500 kg/m³

Shall not be less than 360 kg/m³

Question 9 of 10

Question 10 of 10

10. The mineral oil if present in mixing for concrete ______________

Improves strength

Reduces strength

Gives a smooth surface

Gives more slump

Question 10 of 10