Construction Materials

211) The most commonly used retarder in cement is

Discuss in Comment

gypsum

212) Which of the following cements contains maximum percentage of dicalcium silicate?

Discuss in Comment

low heat cement

213) Three basic raw materials which are needed in large quantities for production of steel are

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iron ore, coal and lime stone

214) Which of the following gradients exerts maximum influence on properties of steel?

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carbon

215) Which of the following is the purest form of iron?

Discuss in Comment

wrought iron

216) Extenders are added to the paint body to

Discuss in Comment

increase the volume

217) After addition of cement, mortar should be used within

Discuss in Comment

1-2 hours

218) Vanadium steel is normally used in the manufacture of

Discuss in Comment

axles and springs

219) If p is the standard consistency of cement, the amount of water used in conducting the initial setting time test on cement is

Discuss in Comment

0.85 p

220) For complete hydration of cement the w/c ratio needed is

Discuss in Comment

more than 0.35 but less than 0.45

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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