State the component parts of micro optic theodolite . How it is superior to a transit theodolite. Also write the situation where it is suitable.

1 Answer

Answer :

Component parts of micro optic theodolite

1) Telescope

2) Magnification with standard eyepiece.

3) Level tube

4) Foot screws.

5) Tribatch & Trivet

6) Optical micrometer

7) Changing nob

8) Horizontal circle

9) Verticle circle.

Superior to Transit theodolite :

1) It is a recent development in surveying instrument which gives the 1” accuracy in measuring the angle.

2) This instrument is most suitable

3) This instrument is durable for harsh environments.

4) It is simple in use.

Related questions

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Description : Explain the procedure adopted with micro optic theodolite to find reduced level.

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Description : Explain construction and use of ‘one second micro optic theodolite’.

Last Answer : Construction: Micro optical theodolite have optical system build during manufacturing. This optical system faceplates reading of both horizontal and vertical angle precisely. The least count of this ... towers carrying electric cable can be precisely done. For locating alignment of tunnel.

Description : Enlist any eight components of transit theodolite and write their functions.

Last Answer : Components of transit theodolite and their functions - Sr.No. Component Function 1 Leveling head  To support the main working parts of the instrument and screws on to a tripod.  ... movement of upper plate.  14 Spindles Inner spindle and outer spindles are coaxial. 

Description : State any four uses of transit theodolite.

Last Answer : Transit theodolite is useful for the following. 1. To measure the horizontal and vertical angles between survey stations. 2. To measure deflection angles between survey lines. 3. To measure horizontal ... tubular compass to it. 6. To prolong or extend the survey line up to required destination.

Description : State the procedure for measurement of deflection angle by transit theodolite

Last Answer : Procedure: 1. Set up the theodolite at Q and level it accurately. 2. With both plate clamped, the vernier A reading 360o take back sight on P (i.e bisect ranging rod at ... angle is doubled and hence, one half of this average value gives the accurate value of deflection angle at Q. 

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Last Answer : The desired relationships between fundamental axes of transit theodolite when in perfect adjustment are : 1) The axis of plate level must be perpendicular to the vertical axis. 2) The line of ... If the instrument has fixed vernier for vertical circle, it must read zero in levelled position. 

Description : Explain the temporary adjustment of transit theodolite

Last Answer : Temporary adjustment of transit theodolite consists of following steps. 1. Setting up theodolite over a station 2. Levelling up 3. Focusing of eyepiece. 4. Focusing of object glass. ... , direct the telescope towards object and turn the focusing screw until the appears clear and sharp. 

Description : Define telescope inverted and telescope normal for transit theodolite.

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Description : Explain the method of repetition to measure horizontal angle using transit theodolite. 

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Last Answer : There are two methods of contouring:- 1. Direct Method 2. Indirect Method - a. By squares  b. By cross section  c. By tacheometric Direct method of contouring - In this ... joining these identical coloured pegs, we get the required contours on ground by this direct method of contouring. 

Description : State any four uses of digital theodolite.

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Description : State any two advantages of total station over dumpy level and theodolite.

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Description : State different relationship between fundamental lines of theodolite.

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Description : State any two special features of electronic theodolite.

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Last Answer : Application of digital theodolite:- 1. To measure horizontal angle very precisely up to one second. 2. To measure vertical angle accurately up to one second. 3. To set out control ... reduced levels of ridge and valley lines accurately. 5. To determine horizontal distance more precisely. 

Description : State any four advantages of total station over dumpy level and theodolite.

Last Answer : Advantages of total station over dumpy level and theodolite : 1)Total station gives digital measurements of sloping, horizontal and vertical distances aaccurately and precisely. 2) Total station gives digital ... computer. 6) Total station is used to prepare the map and drawings using softwares.

Description : State the fundamental axes of theodolite. 

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Description : Explain the temporary adjustment of theodolite. 

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Description : Define transiting and swinging of theodolite.

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Description : Describe the use of digital theodolite for measurement of horizontal and vertical angle.

Last Answer : I) Procedure for measurement of horizontal angle with digital theodolite: 1) Taking out digital theodolite for box and fix it on tripod over required station. 2) Approximate leveling by leg adjustment and ... and take the reading at B. 9) Difference of two angle gives required vertical angle AOB

Description : Mention different sources of errors in theodolite surveying.

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Description : What are the different fundamental axes of theodolite?

Last Answer : line of collimation

Description : Explain temporary adjustment required for theodolite. 

Last Answer : The temporary adjustments have to be carried out at every set-up of instrument before taking observations with the theodolite. 1) Setting up the theodolite: Setting up of the theodolite includes: a) ... moves up and down. This is affect of parallax. This can be removed with sharp focusing. 

Description : Explain the procedure for measuring of vertical angle by using electronic theodolite 

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Description : What is the difference between a theodolite and a tacheometer. Give any two characteristics of tacheometer.

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Last Answer : (B) Measuring angles to the point from at least two stations

Description : Define grade contour. Give the procedure to locate grade contour on contour map with suitable sketch.

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Description : A theodolite is said to be in perfect adjustment if (A) Rotation axis is vertical to the transit axis (B) Transit axis is perpendicular to line of collimation (C) Line of collimation sweeps out a vertical plane while the telescope is elevated or depressed (D) All the above

Last Answer : (D) All the above

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Last Answer : (D) All the above

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Description : What is a contour map? Write any two objects of preparing contour map.

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Description : Write down the procedure for determination of tacheometric constants.

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Description : Write principle of stadia method.

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Description : Write four applications of GIS.

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Description : State the function of Anallatic lens.. 

Last Answer : The function of anallatic lens is to make additive constant zero i.e.(f+d)=0 It simplifies the calculation. 

Description : State two advantages of plane table surveying

Last Answer : 1.it is most rapid method of surveying. 2. it is suitable for magnetic areas. 3.The map can be prepared easily ,and does not require greater skill. 4.Irregular objects can be represented ... is less costly. 7 The check lines detects the errors of measurement and plotting on field itself. 

Description : State any four characteristics of contours with sketches.

Last Answer : Characteristics of contours - The characteristics of contours are described in following statements with the help of necessary sketches. 1. All the points on contour line represent same reduced level or equal ... 8. The summit of four ridge lines represents saddle as shown in sketch 8.

Description : What is meant by zero circle? State the advantages of digital planimeter over polar planimeter.

Last Answer : Zero circle:- When the tracing point is moved along a circle without rotation of the wheel i.e. when the wheel slides without any change in reading ,the circle is known as the zero circle or ... are required for area. 3) It gives more accurate reading 4) Less time required for measurement

Description : Define tacheometry. State the principle of tacheometry with sketch.

Last Answer : Tacheometry : It is the branch of angular surveying in which horizontal and vertical distances are determined from instrumental observations only, is known as tacheometry. Principle of tacheometry : ... to corresponding staff intercept remains constant as shown below in figure 3

Description : State any two situations under which tacheometry is preferred. 

Last Answer : Tacheometry is preferred in following situations. 1. When horizontal distances can't be measured by chaining on highly uneven ground. 2. When vertical distances or reduced levels can't be measured ... is necessary to fill the details in topographic map and contour map with low degree of precision.

Description : State the possible error while using planimeter for finding area of an irregular figure.

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Description : State the meaning of degree of curve and long chord.

Last Answer : Degree of curve : The angle subtended at the centre by a standard chord of 30 m length, is known as degree of curve. Long Chord : The straight line joining rear tangent point and forward tangent point is called as long chord of curve.

Description : State the principle of EDM with sketch.

Last Answer : Principle of EDM:- The fig shows a survey line AB, the length D of which is to be measured using EDM equipment placed at ends A. Let a transmitter be placed at A to propagate electromagnetic waves towards B ... measured at A. This will require EDM timing devices with an accuracy of 1 10-9s.