500 Best Building Materials MCQ
Q65). Mastic asphalt is generally used for
a).damp proof course
b).water proof layer
c).partition walls
d).both (a) and (b).
Correct Answer:
both (a) and (b).
Explanation:
Q66). Black marble is generally found in the district of
a).Jodhpur
b).Jaipur
c).Jabalpur
d).Jaisalmer
Correct Answer:
Jaipur
Explanation:
Q67). The most fire resistant paints are :
a).enamel paints
b).aluminium paints
c).asbestos paints
d).cement paints.
Correct Answer:
asbestos paints
Explanation:
Q68). If is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is
a).0.7
b).0.75
c).0.8
d).0.85
Correct Answer:
0.85
Explanation:
Q69). A pug mill is used for
a).softening brick earth
b).moulding brick earth
c).tempering brick earth
d).providing brick earth
Correct Answer:
tempering brick earth
Explanation:
Q70). A good brick earth should contain :
a).about 20% to 30% of alumina
b).about 50% to 60% of silica
c).not more than 5% of lime
d).about 5 to 6% of oxide of lime
Correct Answer:
not more than 5% of lime
Explanation:
Q71). The commonly used lime in white washing, is
a).white lime
b).fat lime
c).hydraulic lime
d).lime
Correct Answer:
fat lime
Explanation:
Q72). Shingle is
a).decomposed laterite
b).crushed granite
c).water bound pebbles
d).air weathered rock.
Correct Answer:
water bound pebbles
Explanation: