Dumpy level is most suitable when (A) The instrument is to be shifted frequently (B) Fly levelling is being done over long distance (C) Many readings are to be taken from a single setting of the instrument (D) All of the above

Dumpy level is most suitable when
(A) The instrument is to be shifted frequently
(B) Fly levelling is being done over long distance
(C) Many readings are to be taken from a single setting of the instrument
(D) All of the above
by

1 Answer

Answer :

(C) Many readings are to be taken from a single setting of the instrument
by

Related questions

Dumpy level is most suitable when (a) The instrument is to be shifted frequently (b) Fly leveling is being done over long distance (c) Many readings are to be taken from a single setting of the instrument* (d) All of the above

Description : Dumpy level is most suitable when (a) The instrument is to be shifted frequently (b) Fly leveling is being done over long distance (c) Many readings are to be taken from a single setting of the instrument* (d) All of the above

Last Answer : (c) Many readings are to be taken from a single setting of the instrument*

In levelling operation (A) When the instrument is being shifted, the staff must not be moved (B) When the staff is being carried forward, the instrument must remain stationary (C) Both (a) and (b) (D) Neither (a) nor (b)

Description : In levelling operation (A) When the instrument is being shifted, the staff must not be moved (B) When the staff is being carried forward, the instrument must remain stationary (C) Both (a) and (b) (D) Neither (a) nor (b)

Last Answer : (C) Both (a) and (b)

Pick up the correct statement from the following: (A) An observation or the resulting reading with the level on a levelling staff is called sight (B) A back sight is the first sight taken after setting up the instrument in any position (C) The first sight on each change point is a fore sight (D) All the above

Description : Pick up the correct statement from the following: (A) An observation or the resulting reading with the level on a levelling staff is called sight (B) A back sight is the first sight taken after setting up ... position (C) The first sight on each change point is a fore sight (D) All the above

Last Answer : (D) All the above

In case of levelling, backsight is (a) A fixed point of known elevation (b) The last staff reading taken before shifting the instrument (c) The first staff reading taken after setting the instrument (d) Any staff reading taken on a point of unknown elevation

Description : In case of levelling, backsight is (a) A fixed point of known elevation (b) The last staff reading taken before shifting the instrument (c) The first staff reading taken after setting the instrument (d) Any staff reading taken on a point of unknown elevation

Last Answer : (c) The first staff reading taken after setting the instrument

A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at and were 1.22 and 1.06. With the level set up at , the readings at and were 1.55 and 1.37. The collimation error per 100 m length of sight is (A) 0.02 m inclined upwards (B) 0.04 m inclined downwards (C) 0.04 m inclined upward (D) None of these

Description : A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff  readings at and were 1.22 and 1.06. With the level set up at , the readings at  and were 1.55 and ... upwards  (B) 0.04 m inclined downwards  (C) 0.04 m inclined upward  (D) None of these

Last Answer : (B) 0.04 m inclined downwards 

A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be (A) 1.435 (B) 1.345 (C) 1.425 (D) None of these

Description : A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A ... this set up at S should be (A) 1.435 (B) 1.345 (C) 1.425 (D) None of these

Last Answer : (B) 1.345

Which one of the following statements is not correc t? (a) Parallax error is eliminated when there is no change in the staff reading when eye is moved up and down (b) The objective lens is to be focused towards a white or bright background for clear visibility of cross-hairs (c) Temporary adjustments of the dumpy level are to be performed at every set up (d) The eyepiece need not be adjusted after the first set up when the same surveyor is taking readings

Description : Which one of the following statements is not correc t? (a) Parallax error is eliminated when there is no change in the staff reading when eye is moved up and down (b) The objective lens is ... (d) The eyepiece need not be adjusted after the first set up when the same surveyor is taking readings

Last Answer : (b) The objective lens is to be focused towards a white or bright background for clear visibility of cross-hairs

In setting up a plane table at any station (A) Levelling is done first (B) Centering is done first (C) Both levelling and centering are done simultaneously (D) Orientation is done first

Description : In setting up a plane table at any station (A) Levelling is done first (B) Centering is done first (C) Both levelling and centering are done simultaneously (D) Orientation is done first

Last Answer : (C) Both levelling and centering are done simultaneously

In order to do fly levelling the following type of methodology is adopted (a) Rise & fall method (b) Height of instrument method (c) Both the above* (d) None of the above

Description : In order to do fly levelling the following type of methodology is adopted (a) Rise & fall method (b) Height of instrument method (c) Both the above* (d) None of the above

Last Answer : c) Both the above*

While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Description : While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Last Answer : (C) Said to have parallax

A dumpy level is set up with its eye-piece vertically over a peg . The height from the top of peg to the centre of the eye-piece is 1.540 m and the reading on peg is 0.705 m. The level is then setup over . The height of the eye-piece above peg is 1.490 m and a reading on is 2.195 m. The difference in level between and is (A) 2.900 m (B) 3.030 m (C) 0.770 m (D) 0.785 m

Description : A dumpy level is set up with its eye-piece vertically over a peg . The height from the top of peg to the centre of the eye-piece is 1.540 m and the reading on peg is 0.705 m. The level is then setup over . The height ... in level between and is (A) 2.900 m (B) 3.030 m (C) 0.770 m (D) 0.785 m

Last Answer : (C) 0.770 m

The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known (A) Levelling (B) Centering (C) Orientation (D) Setting

Description : The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known (A) Levelling (B) Centering (C) Orientation (D) Setting

Last Answer : (C) Orientation

Pick up the correct statement from the following: (A) The lines of sight while observing back sight and fore sight lie in the same horizontal plane (B) The staff readings are measurements made vertically downwards from a horizontal plane (C) The horizontal plane with reference to which staff readings are taken, coincides with the level surface through the telescope axis (D) All the above

Description : Pick up the correct statement from the following: (A) The lines of sight while observing back sight and fore sight lie in the same horizontal plane (B) The staff readings are measurements made ... readings are taken, coincides with the level surface through the telescope axis (D) All the above

Last Answer : (D) All the above

Pick up the correct statement from the following: (A) The tangent screw enables to give small movement under conditions of smooth and positive control (B) Standing on the tripod is the levelling head or trib arch (C) The levelling screws are used to tilt the instrument so that its rotation axis is truly vertical (D) All the above

Description : Pick up the correct statement from the following: (A) The tangent screw enables to give small movement under conditions of smooth and positive control (B) Standing on the tripod is the levelling head ... used to tilt the instrument so that its rotation axis is truly vertical (D) All the above

Last Answer : (D) All the above

Subtense bar is an instrument used for (A) Levelling (B) Measurement of horizontal distances in plane areas (C) Measurement of horizontal distances in undulated areas (D) Measurement of angles

Description : Subtense bar is an instrument used for (A) Levelling (B) Measurement of horizontal distances in plane areas (C) Measurement of horizontal distances in undulated areas (D) Measurement of angles

Last Answer : (C) Measurement of horizontal distances in undulated areas

The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to (A) The distance between the zero of gradient and the foot of the staff (B) Twice the distance between the zero of graduation and the foot of the staff (C) Thrice the distance between the zero of graduation and the foot of the staff (D) None of the above

Description : The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to (A) The distance between the zero of ... Thrice the distance between the zero of graduation and the foot of the staff (D) None of the above

Last Answer : (B) Twice the distance between the zero of graduation and the foot of the staff

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 (A) 20 (sin - 1) (B) 20 (cos - 1) (C) 20 (sec - 1) (D) 20 (cosec - 1)

Description : 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 (A) 20 (sin - 1) (B) 20 (cos - 1) (C) 20 (sec - 1) (D) 20 (cosec - 1)

Last Answer : (C) 20 (sec - 1)

Which one of the following statements is correct? (A) When the axes of rotation of the graduated circle and the verniers are not coincident, the instrument possesses eccentricity (B) The mean of the readings of the two verniers gives correct reading free from the eccentricity (C) One Vernier may be used if the readings of two verniers differ by a constant (D) All the above

Description : Which one of the following statements is correct? (A) When the axes of rotation of the graduated circle and the verniers are not coincident, the instrument possesses eccentricity (B) The mean of the ... Vernier may be used if the readings of two verniers differ by a constant (D) All the above

Last Answer : (D) All the above

In horizontal angles, the error due to imperfect levelling of the plate bubble is (A) Large when sights are nearly level (B) Large for long sights (C) Less for steeply inclined sights (D) Large for steeply inclined sights

Description : In horizontal angles, the error due to imperfect levelling of the plate bubble is (A) Large when sights are nearly level (B) Large for long sights (C) Less for steeply inclined sights (D) Large for steeply inclined sights

Last Answer : (D) Large for steeply inclined sights

State advantages of Auto-Level over dumpy level.

Description : State advantages of Auto-Level over dumpy level. 

Last Answer : 1) Auto level gives quick and easy leveling with less effort than dumpy level. 2) It is most accurate and precise which gives least error about 0.5 to 0.8 in 5 km. 3) It is simply ... readings to read; which reflects inverted in some dumpy level. 5) It gives more operational comfort to surveyor. 

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

Description : State any two 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 accurately and precisely. 2) Total station gives ... data to computer. 6) Total station used to prepare the map and drawings using softwares.

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

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.

What is fly levelling? When it is carried out?

Description : What is fly levelling? When it is carried out?

Last Answer : Fly levelling- It is the levelling operation in which only BS and FS are taken and no intermediate sights are observed. It is carried out when 1. To connect the BM to the starting point of ... BM. 3. To determine approximate reduced levels of points carried out with more speed and less accurate.

Explain Fly Levelling with neat sketch. State situation under which fly levelling is needed.

Description : Explain Fly Levelling with neat sketch. State situation under which fly levelling is needed.

Last Answer : Ans: When DifferentialLevelling is done in order to connect a bench mark to the starting point of the alignment of any project, it is called as fly levelling. Fly levelling is also done to connect ...  ii)if distance is more between two points.  iii)if there obstacles between the two points.  

Profile levelling is usually done for determining (A) Contours of an area (B) Capacity of a reservoir (C) Elevations along a straight line (D) Boundaries of property

Description : Profile levelling is usually done for determining  (A) Contours of an area  (B) Capacity of a reservoir  (C) Elevations along a straight line  (D) Boundaries of property 

Last Answer : (C) Elevations along a straight line 

During levelling if back sight is more than foresight (A) The forward staff is at lower point (B) The back staff is at lower point (C) The difference in level, cannot be ascertained (D) None of these

Description : During levelling if back sight is more than foresight (A) The forward staff is at lower point (B) The back staff is at lower point (C) The difference in level, cannot be ascertained (D) None of these

Last Answer : (B) The back staff is at lower point

Besides setting up the meter for expected voltage ranges, what must be strictly observed when taking dc voltage readings?

Description : Besides setting up the meter for expected voltage ranges, what must be strictly observed when taking dc voltage readings?

Last Answer : Polarit

Which of the instruments is not used in Preliminary survey. (a) Theodelite (b) Tacheometer (c) Dumpy level (d) Plane table (e) None of them*

Description : Which of the instruments is not used in Preliminary survey. (a) Theodelite (b) Tacheometer (c) Dumpy level (d) Plane table (e) None of them*

Last Answer : (e) None of them*

Which of the instruments is not used in Reconnaissance survey. (a) Prismatic compass (b) Dumpy level * (c) Aneroid Barometer (d) Pedometer

Description : Which of the instruments is not used in Reconnaissance survey. (a) Prismatic compass (b) Dumpy level * (c) Aneroid Barometer (d) Pedometer

Last Answer : (b) Dumpy level *

State the adjustment of dumpy level on field.

Description : State the adjustment of dumpy level on field.

Last Answer : Adjustment of dumpy level on field: I. Setting up the level. i. The level fixed on tripod. ii. The legs of tripod stand are well spread so that the level will remain stable on tripod. ... screw till the image is distinct and clear. The cross hair on the diaphragm should also be seen clearly.

Explain temporary adjustment of dumpy level.

Description : Explain temporary adjustment of dumpy level. 

Last Answer : Temporary adjustment of dumpy level: I. Setting up the level. i. The level fixed on tripod. ii. The legs of tripod stand are well spread so that the level will remain stable on tripod. ... screw till the image is distinct and clear. The cross hair on the diaphragm should also be seen clearly.

State the fundamental axes and mention their relationship for a dumpy level.

Description : State the fundamental axes and mention their relationship for a dumpy level.

Last Answer : Fundamental axis of dumpy level are as follows; i) The vertical axis ii) The axis of bubble tube iii) The line of collimation iv) The axis of the telescope Relationship between ... iii) Axis of telescope and line of collimation should coincide when dumpy level is correctly leveled.

Draw a sketch and explain how to find height of chajja or slab using dumpy level.

Description : Draw a sketch and explain how to find height of chajja or slab using dumpy level.

Last Answer : Explanation : 1. First the back sight reading is taken on floor level whose RL is known to us; from which RL of instrument axis can be find out by adding RL of BM and BS reading. 2. Now ... staff reading. 4. Finally height of chajja is calculated as RL of slab bottom -  RL of floor top.

State fundamental lines and their relationships with each other of dumpy level.

Description : State fundamental lines and their relationships with each other of dumpy level.

Last Answer : Fundamental axes of dumpy level : i) The vertical axis ii) The axis of bubble tube iii) The line of collimation iv) The axis of the telescope Relations of Fundamental axes : i) The ... to the axis of the bubble tube. iii) Axis of telescope and line of collimation should coincide.

State fundamental axis of dumpy level and give their relationship

Description : State fundamental axis of dumpy level and give their relationship 

Last Answer : Fundamental axes of dumpy level : i) The vertical axis ii) The axis of bubble tube iii) The line of collimation iv) The axis of the telescope Relations of Fundamental axes : i) The ... parallel to the axis of the bubble tube. iii) Axis of telescope and line of collimation should coincide. 

State and explain temporary adjustments of dumpy level.

Description : State and explain temporary adjustments of dumpy level.

Last Answer : 1. Setting up the level. a. The level fixed on tripod. b. The legs of tripod stand are well spread so that the level will remain stable on tripod. c. Bring all the three foot screws ... screw till the image is distinct and clear. The cross hair on the diaphragm should also be seen clearly. 

State any two desired relationship between fundamental axes of dumpy level.

Description : State any two desired relationship between fundamental axes of dumpy level.

Last Answer : Following are the desired relationship between fundamental axes of dumpy level. 1. The axis of level tube should be perpendicular to the vertical axis. 2. The line of collimation should be parallel to ... of bubble (level) tube. 3. Axis of telescope and line of collimation should be coinciding.

A back sight (A) Is always taken on a point of known elevation or can be computed (B) Is added to the known level to obtain the instrument height (C) Taken on an inverted staff is treated as negative (D) All the above

Description : A back sight  (A) Is always taken on a point of known elevation or can be computed  (B) Is added to the known level to obtain the instrument height  (C) Taken on an inverted staff is treated as negative  (D) All the above 

Last Answer : (D) All the above 

Staff readings on pegs x and y from X station are 1.755 m and 2.850 m, and from station Y on staff head at Y and X are 0.655 m and 1.560 m. If reduced level of X is 105.5 m, the reduced level of Y is (A) 104.0 m (B) 104.5 m (C) 105.0 m (D) 105.5 m

Description : Staff readings on pegs x and y from X station are 1.755 m and 2.850 m, and from station Y on staff head at Y and X are 0.655 m and 1.560 m. If reduced level of X is 105.5 m, the reduced level of Y is (A) 104.0 m (B) 104.5 m (C) 105.0 m (D) 105.5 m

Last Answer : (B) 104.5 m

Air gap readings should be periodicly taken for electrical generation equipment. The best tool to use to take these measurements is a ___________. A. cloth (non-metalic) tape measure B. dial indicator C. inside micrometer D. tapered, long blade, feeler gage

Description : Air gap readings should be periodicly taken for electrical generation equipment. The best tool to use to take these measurements is a ___________. A. cloth (non-metalic) tape measure B. dial indicator C. inside micrometer D. tapered, long blade, feeler gage

Last Answer : Answer: D

Fly ash when added to concrete [ A ] Acts as aggregates [ B ] Acts as pozzolona [ C ] Improves appearance [ D ] Reduces setting time

Description : Fly ash when added to concrete [ A ] Acts as aggregates [ B ] Acts as pozzolona [ C ] Improves appearance [ D ] Reduces setting time

Last Answer : [ B ] Acts as pozzolona

Accurate measurement of deflection angles with a transit not properly adjusted may be made by (A) Setting the Vernier A at zero at back station and then plunging the telescope (B) Setting the Vernier A at zero at back station and turning the instrument to the forward station (C) Taking two back sights one with the telescope normal and the other with telescope inverted (D) None of these

Description : Accurate measurement of deflection angles with a transit not properly adjusted may be made by (A) Setting the Vernier A at zero at back station and then plunging the telescope (B) Setting the ... back sights one with the telescope normal and the other with telescope inverted (D) None of these

Last Answer : (C) Taking two back sights one with the telescope normal and the other with telescope inverted

An angle of deflection right, may be directly obtained by setting the instrument to read (A) Zero on back station (B) 180° on back station (C) 90° (D) 270° on back station

Description : An angle of deflection right, may be directly obtained by setting the instrument to read (A) Zero on back station (B) 180° on back station (C) 90° (D) 270° on back station

Last Answer : (A) Zero on back station

Pudding is done to— (A) Reduce percolation of water (B) Pulverise and levelling soil (C) Kill weeds (D) All of the above

Description : Pudding is done to— (A) Reduce percolation of water (B) Pulverise and levelling soil (C) Kill weeds (D) All of the above

Last Answer : (D) All of the above

Pudding is done to a) Reduce percolation of water b) Pulverise and levelling soil c) Kill weeds D) All of the above

Description : Pudding is done to a) Reduce percolation of water b) Pulverise and levelling soil c) Kill weeds D) All of the above 

Last Answer : D) All of the above 

A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are being withdrawn and feed to the column is stopped). At the new steady state, (A) Composition of vapors and that of liquid do not vary throughout the column (B) Reboiler load and condenser load are minimum (C) The top and bottom compositions are unchanged with and without total reflux (D) The top and bottom compositions correspond to the maximum enrichment available

Description : A distillation column with N plates is being operated under normal conditions. At some point of time, the operation is shifted to total reflux condition (i.e., no product and residue are ... and without total reflux (D) The top and bottom compositions correspond to the maximum enrichment available

Last Answer : (D) The top and bottom compositions correspond to the maximum enrichment available

A patient being treated with 20 mg prednisolone daily has to be shifted on to dexamethasone. What should be his daily dose of dexamethasone: A. 0.75 mg B. 3 mg C. 10 mg D. 40 mg

Description : A patient being treated with 20 mg prednisolone daily has to be shifted on to dexamethasone. What should be his daily dose of dexamethasone: A. 0.75 mg B. 3 mg C. 10 mg D. 40 mg

Last Answer : B. 3 mg

Air gap readings should be taken on electrical generation machinery periodicly to _________. I. determine the need for cleaning II. check the condition of the bearings A. I only B. II only C. both I and II D. neither I or II

Description : Air gap readings should be taken on electrical generation machinery periodicly to _________. I. determine the need for cleaning II. check the condition of the bearings A. I only B. II only C. both I and II D. neither I or II

Last Answer : Answer: B

Air gap readings for electrical generating equipment should be taken periodicly. This is to _______. I. determine the condition of the bearings II. prevent damage to the rotor and stator A. I only B. II only C. both I and II D. neither I or II

Description : Air gap readings for electrical generating equipment should be taken periodicly. This is to _______. I. determine the condition of the bearings II. prevent damage to the rotor and stator A. I only B. II only C. both I and II D. neither I or II

Last Answer : Answer: C