26
A four sided figure having two pairs to sides parallel is called a
Answer
A. Rhomboid
27
Eccentricity is always equal to one for
Answer
B. Parabola
28
In a drawing letters and numbers are designed by their
Answer
B. Height
29
The angle of miter line is .............. degrees
Answer
C. 45
30
A solid bounded by twelve equal regular pentagon is known as
Answer
D. Dodecahedron
31
If the smallest division of a Verneir is longer than the smallest division of its primary scale, teh Vernier is known as
Answer
D. Retrograde Vernier
32
When a chain is used at a temperature more than the temperature it was calibrated the erorr in measured length will be
Answer
A. Cumulative
33
The length of an Engineer's chain should be
Answer
A. 100 ft
34
Generally while chaining, the arrow which accompany with one chain must be
Answer
C. 10 nos
35
The difference between the most probable value of a quantity and its observed value is
Answer
C. Residual error
36
The base line is measured with
Answer
D. Chain
37
An offset more than 15 m in length is known as
Answer
A. Long offset
38
Which of the following instruments is used for measurements of angles ?
Answer
C. Sextant
39
The box of prismatic compass is made of
Answer
B. Brass
40
The two point and three point problems are methos of
Answer
D. Orientation and resection
41
The accuracy of "fix" by two point problems is
Answer
D. Not reliable
42
In levelling, the error due to refraction is
Answer
C. Compensating
43
Levelling across a river is done by
Answer
B. reciprocal levelling
44
An anallatic lens is
Answer
A. Convex
45
Which method gives more accurate results in the measurements of areas
Answer
D. Simpsons rule
46
The colour of a mineral in its powered form is known as
Answer
A. streak
47
Which of the following is a mineral
Answer
D. Calcite
48
THe minimum hardness number for marble is about
Answer
A. 3
49
A stone is rejected if the water absorption is more than
Answer
D. 15%
50
Attrition test on stone is done to find out
Answer
C. Rate of wear
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