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WorksheetsSUR DAY 9
Total questions: 28
Worksheet time: 16mins
Name
Class
Date
1.
It is required to produce a small-scale map of an area in magnetic zone by directly plotting and checking the work in the field itself. Which one of the following surveys will be most appropriate for purpose?
a)
Chain
b)
Theodolite
c)
Plane Table
d)
Compass
2.
A 30 m metric chain is found to be 0.1 m too short throughout the measurement. If the distance measured is recorded as 300 m, then the actual distance measured will be
a)
300.1 m
b)
301.0 m
c)
299.0 m
d)
310.0 m
3.
What is the slope correction for a length of 30.0 m along a gradient of 1 in 20?
a)
3.75 cm
b)
0.375 cm
c)
37.5 m
d)
0.0375 cm
4.
An invar tape, 50 m in length, standardized at 20°C temperature and 10 kg pull, is used to is used to measure a base line. The correction per tape length, if at the time of measurement the temperature was 30° and the coefficient of linear expansion of the tape was 1 x 10-6 per °C, will be
a)
0.020m
b)
0.005 m
c)
0.0005 m
d)
0.0001 m
5.
If fore bearing of a line is S49°52'E (assuming there is no local attraction), the back bearing of the line will be
a)
S52°49'5
b)
S 49°52' E
c)
N49°08'E
d)
N 49° 52'W
6.
The direction of the magnetic meridian is established at each traverse station and the direction of the line is determined with reference to the magnetic meridian. This method of traversing is called
a)
fast needle method
b)
loose needle method
c)
bearing method
d)
fixed needle method
7.
If the declination is 5°40'W, which one of the following magnetic bearing would represent true bearing of S25°20'E?
a)
S19° 20'E
b)
S31°0’E
c)
S20° O'E
d)
S19° 20' W
8.
The magnetic needle in a prismatic compass is<br />placed<br />
a)
at the bottom of the graduated aluminium ring
b)
above the graduated aluminium ring
c)
below the brass box
d)
below the needle lifter, but above the bottom inside the compass
9.
What is <ABC if FB of line AB is 40° and BB of line BC is 280°?
a)
90
b)
120
c)
240°
d)
320
10.
The whole circle bearings of lines AB and BC are 30° 15' and 120° 30° What is the included angle ABC between the lines AB and BC?
a)
229° 45
b)
89° 45
c)
269° 45
d)
90° 15
11.
The process of turning the telescope over its supporting axis through 180° in a verticalplane.
a)
Plunging
b)
Face left
c)
Telescope normal
d)
Swinging
12.
When the vertical circle of the theodolite is on the left of the observer while taking the reading
a)
Plunging
b)
Face left
c)
Telescope normal
d)
Swinging
13.
Dip of Magnetic needle at the equator is
a)
90
b)
45
c)
180
d)
0
14.
The fore bearing of a line AB is N 65° W. Its back bearing is
a)
N 65° W
b)
S 25° W
c)
S 65° E
d)
N 25° E
15.
The box of prismatic compass is made of
a)
Steel
b)
Brass
c)
Iron
d)
Aluminium
16.
The straight line tangential to the longitudinal curve of the level tube at its centre is called as
a)
Vertical axis of telescope
b)
Bubble axis
c)
trunnion axis
d)
Axis of level tube
17.
The axis about which the telescope and the vertical circle of a theodolite rotate in the vertical plane is called
a)
Horizontal axis
b)
Trunnion axis
c)
Both a and b
d)
Axis of Bubble tube
18.
The angle which the true meridian makes with magnetic meridian is called
a)
Magnetic declination
b)
True declination
c)
Dip
d)
Azimuth
19.
Which of the temporary adjustment is not done in Surveyors Compass
a)
Centering
b)
Levelling
c)
Focussing of Prism
d)
None of the above
20.
A theodolite fitted with an anallatic lens is known as
a)
Tacheometer
b)
Clinometer
c)
Level
d)
None of the above
21.
The size of the Johnson Plane table is
a)
450 x 550 mm
b)
600 x 750 mm
c)
750 x 800 mm
d)
500 x 600 mm
22.
The algebraic sum of the deflection angles of a closed traverse is equal to______°
a)
0
b)
90
c)
180
d)
360
23.
When the angular and linear measurements are equally precise in traversing, the balancing of traversing is done by
a)
Transiting rule
b)
Emperical rule
c)
Bowditch's Rule
d)
Any of these
24.
The spire test is used in the permenant adjustments of theodolite for the adjustment of
a)
Line of sight
b)
Horizontal axis
c)
Plate levels
d)
Altitude bubbles
25.
A 10 cm Theodolite means that
a)
The length of the telescope is 10 cm
b)
Height of telescope is10 cm
c)
Diameter of graduated circle of its Lower plate is 10 cm
d)
Diameter of graduated circle of its Vertical circle is 10 cm
26.
The least count of theodolite in measuring angle is
a)
1°
b)
30'
c)
20'
d)
20''
27.
In Prismatic compass Zero degree is marked at
a)
North
b)
South
c)
East
d)
Both south and North
28.
The error due to eccentricity of inner and outer axis can be eliminated by
a)
Taking mean of both the face observations
b)
Reading Both vernier and taking mean of two
c)
Both of above
d)
None of the above
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