91
Averaging of result of face left and face right readings correct, which of the following error.
A)
Residual error
B)
Index error
C)
Local attract
D)
Closing error
Answer & Solution
Answer: Option
B
92
The degree of accuracy in chain survey under average condition is . . . . . . . .
A)
1 in 500
B)
1 in 250
C)
1 in 1000
D)
1 in 2000
Answer & Solution
Answer: Option
A
93
Pedometer is sometimes used in . . . . . . . .
A)
Cadastral survey
B)
Recomnarsance
C)
Hydrographic
D)
Aerial survey
Answer & Solution
Answer: Option
B
94
Simplest way of setting but a right angle with only a chain is by the rule . . . . . . . .
A)
2, 6, 8
B)
3, 4, 5
C)
9, 10, 12
D)
14, 16, 20
Answer & Solution
Answer: Option
B
95
The disc of the prismatic compass is graduated in . . . . . . . .
A)
Anticlock wise direction starting with zero at south end
B)
Clock wise direction starting with zero at south end
C)
Anticlock wise direction starting with zero at north end
D)
Clock wise direction starting with Zero at north end
Answer & Solution
Answer: Option
B
96
Identify the correct form of cos rule . . . . . . . .
A)
a2 = b2 + c2 + c2 + bc cosA
B)
a2 = b2 + c2 - 2bc cosB
C)
a2 = b2 + c2 - 2ab cosB
D)
a2 = b2 + c2 - 2bc cosA
Answer & Solution
Answer: Option
D
97
The Backward bearing for forward bearing of 31° 36' W is
A)
S 31° 36' W
B)
S 58° 24' W
C)
S 58° 24' E
D)
N 31° 36' E
Answer & Solution
Answer: Option
D
98
The permanent adjustments of level . . . . . . . .
A)
The axis of buble tube, should be perpendicular to vertical axis of instrument
B)
The line of collimation should be parallel to the axis of bubble
C)
Collimation should be parallel to axis of bubble tube
D)
All
Answer & Solution
Answer: Option
D
99
The mean sea level at . . . . . . . . is taken as datum by survey of India department for establishing Bench Marks.
A)
Kochin
B)
Karachi
C)
Bay of Bengal
D)
Chennai
Answer & Solution
Answer: Option
B
100
In chain survey the tie line is primariy provided to . . . . . . . .
A)
Check accuracy ot the survey
B)
Take offsets for detailed survey
C)
Avoid long offsets from other chain links
D)
Increase the number of chain lines
Answer & Solution
Answer: Option
B
