B:x-2y+7=0
Cx+y=0
D:ix-y=0
Correct Answer:- Option-B
Question77:-The minimum value of the function f(x} = *3x~(4)-2x~(3)-6x~(2)}+6x+1" in the interval (0, 2} is
‏1-ھ‎
‎B:-4
‎0-3
‎D:-2
‎Correct Answer:- Option-D
Question78:-If *x~(2} + 2xy + y~(2)=0" , then “dy/dx" is equal to
‏يم‎ 2
B:-x + 2y
1
D:-2x + 2y
Correct Answer:- Option-C
Question79:-"int"x(logx) dx is equal to
ಹಿ:-106% '0(7(2))/(2)(2)/4-07 , ೮ 8 ೧೧೧5೧
B:-logx " (x™(2))/(2)-x~(2)/4+C" , C is constant
Ci-logx ™ (x(2))/(2)-x~(3)/4+C" , C is constant
D:-logx * (x*(3)(2)x~(2)/4+C" , C is constant
Correct Answer:- Option-B
Question80:-Solution of the differential equation *sec”(2)x tanydx+sec”™(2}ytanx dy =0 is of the form

C:-cotx coty = ¢
D:secy tanx =¢
Correct Answer:- Option-A
Question81:-The type of cement suitable for massive constructions like dams is
A:-acid resistant cement
B:-low heat cement
C:-sulphur resistant cement
D:-ordinary Portland cement
Correct Answer:- Option-B
Question82:-The type of rubble masonry in which prismatic shaped stones are used is
A:-Random rubble masonry
B:-Polygonal masonry
C:-Ashlar masonry
D:-Dry rubble masonry
Correct Answer:- Option-C
Question83:-The instrument used for measuring distance is
A:-electronic theodolite
B:-sterecscope
C:-wye level
D:-distomat
Correct Answer:- Option-D

Question84:-Which among the following is the best suited foundation for a building if the foundation covers more than 50 %
of the area of the building and if the soil is weak

A:-Spread foundation
B:-Raft foundati
C:-Combined footing
D:-Column footing
Correct Answer:- Option-B
Question85:-Optical square is the instrument used for
A:-setting 905
B:-ranging of line
C:-leveling
D:-finding magnetic north
Correct Answer:- Option-A