Worksheets30-12-25 Measurement Of Distance - Part 3&4
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Which type of tape is most affected by moisture absorption causing inaccuracy in measurement?
a)
Steel tape
b)
Invar tape
c)
Linen or cloth tape
d)
Fibre glass tape
2.
Which tape is preferred for highly precise baseline and geodetic measurements?
a)
Metallic tape
b)
Steel tape
c)
Fibre glass tape
d)
Invar tape
3.
Which tape consists of linen reinforced with brass or copper wires?
a)
Steel tape
b)
Invar tape
c)
Fibre glass tape
d)
Metallic tape
4.
Why does a steel tape require temperature correction during precise measurements?
a)
It absorbs moisture
b)
It has high thermal expansion
c)
It gets permanently elongated
d)
It is very flexible
5.
The minimum number of ranging rods required for direct ranging is
a)
2
b)
3
c)
4
d)
5
6.
Reciprocal ranging is mainly used when
a)
End stations are intervisible
b)
Survey length is short
c)
There is obstruction between stations
d)
Only one assistant is available
7.
Assertion A Invar tape is preferred for baseline measurements Reason R Invar has a very low coefficient of thermal expansion
a)
Both A and R are true and R explains A
b)
Both A and R are true but R does not explain A
c)
A is true but R is false
d)
A is false but R is true
8.
Assertion A Reciprocal ranging requires a minimum of four ranging rods Reason R Alignment is adjusted from both ends alternately
a)
Both A and R are true and R explains A
b)
Both A and R are true but R does not explain A
c)
A is true but R is false
d)
A is false but R is true
9.
The instrument that allows a single surveyor to carry out accurate ranging is
a)
Ranging pole
b)
Offset rod
c)
Line ranger
d)
Cross staff
10.
In standard ranging signals raising both arms above the head and bringing them down indicates
a)
Move right
b)
Move left
c)
Fix the rod
d)
Correct position
100 %
