Question is ⇒ The needle of magnetic compass is generally supported on a, Options are ⇒ (A) Ball bearing, (B) Bush bearing, (C) Needle bearing, (D) Jewel bearing, (E) , Leave your comments or Download question paper.

Question is ⇒ The needle of magnetic compass is generally supported on a, Options are ⇒ (A) Ball bearing, (B) Bush bearing, (C) Needle bearing, (D) Jewel bearing, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The needle of magnetic compass is generally supported on a
A.	Ball bearing [Wrong Answer]
B.	Bush bearing [Wrong Answer]
C.	Needle bearing [Wrong Answer]
D.	Jewel bearing [Correct Answer]
View Answer 71 -17 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Which of the following instruments is used for measurement of angles ?
Geodimeter
Tellurometer
Sextant
Telescope

⇒ A telescope is said to be inverted if its
vertical circle is to its right and the bubble of the telescope is down
vertical circle is to its right and the bubble of the telescope is up
vertical circle is to its left and the bubble of the telescope is down
vertical circle is to its left and the bubble of the telescope is up

⇒ The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be.
13.75 m
3.44 m
1375 m
none of these.

⇒ The 'fix' of a plane table station with three known points, is bad if the plane table station lies.
in the great triangle
outside the great triangle
on the circumference of the circumscribing circle
none of these.

⇒ Off sets are
Chain lines out of alignment
Small measurements from chain line
Measurements taken in chain surveying
None of the above

⇒ Pick up the correct statement from the following :
with both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from knots
the follower of the chaining operation should be more experienced than the leader
at the end of the tenth chain length, the two chain men meet and the ten arrows are handed over to the leader
all the above.

⇒ Pick up the correct statement from the following :
the diaphragm is placed between eyepiece and the objective but nearer to the former
the diaphragm is placed between the eyepiece and objective but nearer to the later
the outer component of the objective is a double-convex lens of crown glass
all the above.

⇒ Locating the position of a plane table station with reference to three known points, is known as.
intersection method
radiation method
resection method
three point problem.

⇒ At magnetic poles the dip of magnetic needle is
0°
45°
90°
120°

⇒ An offset more than 15m in length is known as
Long offset
Short offset
Oblique offset
Right-angled offset

⇒ The accuracy of fix obtained by solving a two point problem is
Good
Fairly accurate
Not reliable
None of these

⇒ Pick up the correct statement from the following :
the tangent screw enables to give small movement under conditions of smooth and positive control
standing on the tripod is the levelling head or trib arch
the levelling screws are used to tilt the instrument so that its rotation axis is truly vertical
all the above.

⇒ A metallic tape is made of
steel
invar
linen
cloth and wires

⇒ Which of the following is not the function of levelling head ?
to support the main part of the instrument
to attach the theodolite to the tripod
to provide a means for leveling the theodolite
none of the above

⇒ When the bubble of the level tube of a level, remains central.
line of sight is horizontal
axis of the telescope is horizontal
line of collimation is horizontal
geometrical axis of the telescope is horizontal.

⇒ The resection by two point problem as compared to three point problem
gives more accurate problem
takes less time
requires more labour
none of the above

⇒ The sensitivity of a bubble tube can be increased by
increasing the diameter of the tube
decreasing the length of bubble
increasing the viscosity of liquid
decreasing the radius of curvature of tube

⇒ Cross-staff is used for.
setting out right angles
measuring contour gradient
taking levels
measuring distances

⇒ If the true bearing of a line AB is 269° 30', then the azimuth of the line AB is
0° 30'
89° 30'
90° 30'
269° 30'

⇒ Accuracy of 'fix' by two point problem, is.
bad
good
not reliable
unique.

⇒ While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance.
20 (sin Î¸ - 1)
20 (cos Î¸ - 1)
20 (sec Î¸ - 1)
20 (cosec Î¸ - 1).

⇒ An obstacle which obstructs both chaining and ranging may be
River
Lake
Hillock
Building

⇒ For indirect ranging, number of ranging rods required, is.
1
2
3
4

⇒ The variation in mag,netic declination is termed as
Diurnal variation
Solar variation
Lunar variation
Secular variation

⇒ The permissible limits of errors in chaining for measurement on rough or hilly ground is
1 : 2000
1 : 1000
1 : 500
1 : 250

⇒ Imaginary line passing through points having equal magnetic declination is termed as.
isogon
agonic line
isoclinic line
none of these.

⇒ Dumpy level is most suitable when
the instrument is to be shifted frequently
fly levelling is being done over long distance
many readings are to be taken from a single setting of the instrument
all of the above

⇒ The scale, on which three dimensions can be measured, is known as
Plain scale
Diagonal scale
Chord scale
Vernier scale

⇒ The systematic errors which persist and have regular effects in the performance of a survey operation, are due to.
carelessness
faulty instrument
inattention
none of these.

⇒ Pick up the correct statement from the following:
the theodolite in which telescope can be rotated in vertical plane is called a transmit
when the vertical circle is to the left of the telescope during observation, it is called to be in left face
when the vertical circle is to the right of the telescope during observation, it is called to be in right face
all the above.