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Q1. | With usual notations, the expression V^{2}/gR represents |

A. | centrifugal force [Wrong Answer] |

B. | centrifugal ratio [Correct Answer] |

C. | super elevation [Wrong Answer] |

D. | radial acceleration. [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ With usual notations, the expression V

^{2}/gR represents

centrifugal force

centrifugal ratio

super elevation

radial acceleration.

⇒ If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as.

direct vernier

double vernier

retrograde vernier

simple vernier.

⇒ The longest chainline passing through the centre of the area is known as

Base line

Tie line

Check line

All the above

⇒ The permissible error in chaining for measurement with chain on rough or hilly ground is

1 in 100

1 in 250

1 in 500

1 in 1000

⇒

*ABCD*is a rectangular plot of land. If the bearing of the side

*AB*is 75°, the bearing of

*DC*is.

75Â°

255Â°

105Â°

285Â°

⇒ In the prismatic compass

the magnetic needle moves with the box

the line of the sight does not move with the box

the magnetic needle and graduated circle do not move with the box

the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

⇒ A traverse deflection angle is.

A traverse deflection angle is

more than 90Â° but less than 180Â°

the difference between the included angle and 180Â°

the difference between the included angle and 180Â°

⇒ Refraction correction

completely eliminates curvature correction

partially eliminates curvature correction

adds to the curvature correction

has no effect on curvature correction

⇒ The horizontal angle between the true meridian and magnetic meridian at a place is called

azimuth

declination

local attraction

magnetic bearing

⇒ Centering error of a theodolite produces an error.

in all angles equally

which does not vary with the direction or pointing

which varies with the direction of pointing and inversely with the length of sight

none of these.

⇒ Which one of the following mistakes/errors may be cumulative + or - :

bad ranging

bad straightening

erroneous length of chain

sag.

⇒ The error due to eccentricity of inner and outer axes can be eliminated by

reading both verniers and taking the mean of the two

taking both face observations and taking the mean of the two

double sighting

taking mean of several readings distributed over different portions of the graduated circle

⇒ Setting out a curve by two theodolite method, involves.

linear measurements only

angular measurements only

both linear and angular measurements

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.

⇒ Removal of parallax, may be achieved by focussing.

the objective

the eye-piece

the objective and the eye-piece

none of these.

⇒ Perpendicularity of an offset may be judged by eye, if the length of the offset is.

5 m

10 m

15 m

20 m

⇒ If

*R*is the radius of the main curve, θ the angle of deflection,

*S*the shift and

*L*the length of the transition curve, then, total tangent length of the curve, is.

(R - S) tan Î¸/2 - L/2

(R + S) tan Î¸/2 - L/2

(R + S) tan Î¸/2 + L/2

(R - S) tan Î¸/2 + L/2

⇒ The two point or three point problems are methods of

Orientation

Resection

Traversing

(A) and (B) above

⇒ In geodetic surveys higher accuracy is achieved, if.

curvature of the earth surface is ignored

curvature of the earth surface is taken into account

angles between the curved lines are treated as plane angles

none of these.

⇒ The horizontal angle between true meridian and magnetic meridian, is known.

bearing

magnetic declination

dip

convergence.

⇒ If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is

7.5 m

25 m

50

75 m

⇒ An ideal vertical curve to join two gradients, is.

circular

parabolic

elliptical

hyperbolic

⇒ The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m. The angular value of the one division of the bubble, is.

28.8 secs

41.25 secs

14.52 secs

25.05

⇒ If 'n' is the number of sides, then the total sum of interior angles of a closed traverse should be

n + 2

2n - 4

2n + 4

4n - 2

⇒ Deviation of the actual road gradient from the proposed contou'r gradient up hill side, involves.

embankment on the centre line

excavation on the centre line

earth work on the centre line

none of these.

⇒ Traversing is generally done by

Chain

Compass or theodolite

Plane table

All the above are correct

⇒ The ratio of the angles subtended at the eye, by the virtual image and the object, is known as telescope's.

resolving power

brightness

field of view

magnification.

⇒ Pick up the correct statement from the following :

in astronomical telescope, the rays from the object after refraction at the objective are brought to a focus before entering the eyepiece to produce a real inverted image in front of the eye piece

in Galileo's telescope, the rays from the object get refracted at the objective and are intercepted by the eyepiece before a real image is formed

a line passing through the optical centre of the objective traversing through the eyepiece, is called line of sight

all the above.

⇒ The extent of daily variation of declination depends upon

The locality

Season of the year

Time of the day

All of the above

⇒ Subtense bar is an instrument used for

levelling

measurement of horizontal distances in plane areas

measurement of horizontal distances in undulated areas

measurement of angles