C:-Artesian aquifer
D:-None of these
Correct Answer:- Option-A
Question47:-Which property of cement among the following is determined using vicat apparatus 7
A:-Compressive strength
B:-Fineness
C:-Soundness
D:-Setting time
Correct Answer:- Option-D
Question48:-What is negative skin friction 7
A:-Upward drag acting on a pile during driving by surrounding ടലി
B:-Downward drag acting on a pile due to downward movement of surrounding soil
C:-Static skin friction on the shaft during Dutch cone penetration test
D:-Skin friction acting on friction piles by the surrounding ടലി
Correct Answer:- Option-B
Question49:-Which among the following grades denotes the concrete mix 1: 1 : 2 (one part of cement + one part of fine
aggregate + 2 parts of coarse aggregate) 7

020)”
൦:14 25)”
Correct Answer:- Option-D

Question50:-

Which among the following is a temporary dam constructed for facilitating construction works 7

A:-Buttress dam

B:-Detention dam
C:-Coffer dam
D:-Debris dam
Correct Answer:- Option-C

Question51:-What is plasticity index 7
A:-Liguid limit — natural water content
B:-Liquid limit — plastic limit
C:-Natural water content — plastic limit
D:-Ratio of liquidity index to flow index
Correct Answer:- Option-B

Question52:-What for a mouth piece is introduced 7
A:-To increase value of coefficient of discharge of an orifice
B:-To decrease the loss of head due to sudden enlargement
C:-To decrease the loss of head due to sudden contraction
D:-To decrease the loss of head at entrance of orifice
Correct Answer:- Option-A

Question53:-If the gauge pressure is minus what will be the absolute pressure 7
A:-Atmospheric pressure minus gauge pressure
B:-Atmospheric pressure plus gauge pressure
C:-Negative gauge pressure plus vacuum pressure
D:-Vacuum pressure minus negative gauge pressure
Correct Answer:- Option-A

Question54:-

In the case of primary tension failure, in which of the following sections tension cracks appear 7
A:-Under-reinforced section
B:-Over-reinforced section
C:-Balanced section
D:-None of these
Correct Answer:- Option-A

Question55:-What is the built up area of a building at any floor level 7
A:-Plinth area
B:-Carpet area
C:-Floor area
D:-Coverage
Correct Answer:- Option-C