Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | The rise and fall method |

A. | is less.accurate than height of instrument method [Wrong Answer] |

B. | is not suitable for levelling with tilting levels [Wrong Answer] |

C. | provides a check on the reduction of intermediate point levels [Correct Answer] |

D. | quicker and less tedious for large number of intermediate sights [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ The ratio of the linear displacement at the end of a line, subtended by an arc of one second to the length of the line, is.

1:206 300

1:3440

1:57

1:100.

⇒ The line normal to the plumb line is known as.

horizontal line

level line

datum line

vertical line.

⇒ If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs, the accuracy of the traverse may be improved by.

taking short legs

making repeated observations of angular and linear measurements

making a subsidiary traverse to determine the length of a long leg

all the above.

⇒ The conventional sign shown in below figure represents a

bridge carrying railway below road

bridge carrying road below railway

bridge carrying road and railway at the same level

a level crossing.

⇒ The length of a ranging rod should be

1.5 to 2 m

2 to 3 m

3 to 4m

2.5 to 4.5 m

⇒ In levelling the error due to refraction is

Positive

Negative

Compensating

Progressive

⇒ The variation in magnetic declination may be

Diurnal variation

Annual variation

Secular variation

Any of the above

⇒ A metallic tape is made of

steel

invar

linen

cloth and wires

⇒ An angles of 45° with a chain line may be set out with.

optical square

open cross staff

Fench cross staff

prismatic square.

⇒ An ideal transition curve is.

cubic parabola

cubic spiral

clothoid spiral

true spiral.

⇒ 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

Simple vernier

Retrograde vernier

⇒ If

*S*is the length of a subchord and

*R*is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to.

573 S/R

573 R/S

171.9 S/R

1718.9 S/R.

⇒ 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°

⇒ The magnetic meridian at any point, is the direction indicated by a freely suspended

magnetic needle

and properly balanced magnetic needle

properly balanced and uninfluenced by local attractive force

magnetic needle over an iron pivot.

⇒ Pick up the correct statement from the following :

spherical aberration may be reduced by diminishing the aperture

spherical aberration may be minimised by replacing the single lens by a combination of the lenses.

in telescope objectives, a combination of convex lens and concave lens is used.

all the above.

⇒ In a telescope the object glass of focal length 14 cm, is located at 20 cm from the diaphragm. The focussing lens is midway between them when a staff 16.50 m away is focussed. The focal length of the focussing lens, is.

5.24 cm

6.24 cm

7.24 cm

8.24 cm

⇒ Imaginary line passing through points having equal magnetic declination is termed as.

isogon

agonic line

isoclinic line

none of these.

⇒ It is more difficult to obtain good results while measuringhorizontal distance by stepping.

up-hill

down-hill

in low undulations

in plane areas.

⇒ The distances

*AC*and

*BC*are measured from two fixed points

*A*and

*B*whose distance

*AB*is known. The point

*C*is plotted by intersection. This method is generally adopted in.

chain surveying

traverse method of surveys

triangulation

none of these.

⇒ 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

⇒ In the double application of principle of reversion, the apparent error is

equal to true error

half the true error

two times the true error

four times the true error

⇒ 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.

⇒ The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called.

brightness of telescope

magnification of telescope

resolving power of telescope

none of these.

⇒ The number of horizontal cross wires in a stadia diaphragm is

one

two

three

four

⇒ Select the correct statement.

A contour is not necessarily a closed curve.

A contour represents a ridge line if the concave side of lower value con¬tour lies towards the higher value contour.

Two contours of different elevations do not cross each other except in case of an overhanging cliff.

All of the above statements are correct.

⇒ If

*i*is the stadia distance,

*f*is the focal length and

*d*is the distance between the objective and vertical axis of the techeometer, the multiplying constant, is.

f/i

i/f

(f + d)

f/d.

⇒ Principle of surveying followed to prevent accumulation of errors is

To work from whole to the part

To work from part to whole

Both (A) and (B)

None of the above

⇒ Pick up the correct statement from the following :

The directions of plumb lines suspended at different points in a survey are not strictly parallel

In surveys of small extent, the effect of curvature may be ignored and the level surface of the earth is assumed as horizontal

In surveys of large extent, the effect of curvature of the earth must be considered

All the above.

⇒ Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?

error due to eccentricity of verniers

error due to displacement of station signals

error due to wrong adjustment of line of collimation and trunnion axis

error due to inaccurate graduation

⇒ Metallic tapes are made of

Steel

Invar

Cloth and Nvires

Nickel