Description : Define : 1) Bench mark 2) Datum surface 3) Line of collimation 4) Change Point
Last Answer : 1) Bench mark: - It is a fixed reference point of known elevation.. 2)Datum surface :-It is any arbitrarily assumed level surface from which vertical distance are measured 3) Line of collimation:- ... which the fore and back sights are taken. It is the point denoting the shifting of the level.
Description : The low water datum for a lake is defined as the surface of the lake when it is at elevation (A) 180.5 m above M.S.L. (B) 190.5 m above M.S.L. (C) 170.5 m above M.S.L. (D) 200.0 m above M.S.L.
Last Answer : (A) 180.5 m above M.S.L.
Description : Reference pillars fixed on the centre line of a proposed road, provide the following information: (A) Reduced distance (R.D.) (B) Horizontal distance of road from the centre line (C) Reduced level at the top of pillar (D) All the above
Last Answer : Answer: Option D
Description : The elevation Z of the watershed is: (where letters carry their usual meanings) (A) Reduced level of the top most point of the basin (B) Reduced level of the lower most point of the basin (C) Average ... highest and lowest point of the drainage basin (D) Obtained by the formula Z = + + + anzn)/A
Description : Define the following terms: (i) Level surface {ii) Datum line (iii) Reduced level (iv) Axis of telescope
Last Answer : i)Level Surface : Any surface is parallel to mean spheroidal surface of earth is said to be a level surface. The water surface of still lake is also considered to be level surface. ii) ... an imaginary line passing through the optical Centre of object glass and optical Centre of the eye piece.
Description : Define the following terms: i) Level line ii) Bench Mark iii) Change point iv) Profile levelling
Last Answer : i) Level line - It is line lying in a level surface; it is therefore, normal to the plumb line at all points. ii) Bench Mark - These are fixed points or marks of known RL determined with ... the centerline of a proposed ditch or road or the centerline of a natural feature such as a stream bed.
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
Description : The line normal to the plumb line is known as (A) Horizontal line (B) Level line (C) Datum line (D) Vertical line
Last Answer : (B) Level line
Description : Define: i) Level Line, ii) Horizontal Line, iii) Vertical Line iv) Bench Mark.
Last Answer : j) Level Line: It is line lying in a level surface; it is therefore, normal to the plumb line at all points. ii) Horizontal Line: It is a straight line tangential to the level line at a ... RL determined with reference to the datum line. They serve as reference points for finding RL of new points.
Description : If H is the height of the wave expected, then the height of the breakwater is generally taken as (A) 1.2 H to 1.25 H above the datum (B) 1.2 H to 1.25 H above the low water level (C) 1.2 H to 1.25 H above the high water level (D) 1.2 H to 1.25 H above the mean sea level
Last Answer : (C) 1.2 H to 1.25 H above the high water level
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
Description : Before providing super-elevation on roads, the portion of the carriageway between the crown and the outer edge is made (A) To have a reduced fall (B) Horizontal (C) To have slope of the camber on the other half of the carriageway (D) None of these
Last Answer : Answer: Option C
Description : The advantage of providing super-elevation on roads, is (A) Higher speed of vehicles (B) Increased volume of traffic (C) Reduced maintenance cost of the roads (D) All the above
Description : Pick out the wrong statement: (A) The capacity of an evaporator is reduced by the boiling point elevation (B) Corrosive liquid is normally passed through the tubes in a ... recompression evaporator (D) Heat sensitive materials should be concentrated in high pressure evaporators
Last Answer : (D) Heat sensitive materials should be concentrated in high pressure evaporators
Description : The minimum number of judges to sit on the Constitutional Bench or on Bench which gives its advisory opinion on the reference by the President must be: (1) One half of the total strength of the Supreme Court (2) Seven (3) Three (4) One-third of the total strength of the court
Last Answer : (1) One half of the total strength of the Supreme Court Explanation: Court's advisory jurisdiction may be sought by the President under Article 143 of the Constitution. This procedure is termed as " ... on the reference by the President must be one half of the total strength of the Supreme Court.
Description : The surface of zero elevation around the earth, which is slightly irregular and curved, is known as (A) Mean sea level (B) Geoid surface (C) Level surface (D) Horizontal surface
Last Answer : (B) Geoid surface
Description : Which stage of adoption helps to establish “Bench mark”?
Last Answer : Ans. Evaluation
Description : 'Benchmark' means ? 1. Products lined up on a bench 2. Salesmen sitting on a bench 3. Set Standards 4. Mark on a bench 5. None of these
Last Answer : Set Standards
Description : What is bench mark? State the types of bench mark and explain any one type.
Last Answer : Bench Mark- It is fixed reference point of known or assumed elevation. Types of bench mark1. Great trignometrical survey bench mark 2. Permanent bench mark 3. Arbitrary bench mark 4. Temporary bench ... Karachi are given in catalogue formed by department. They are also known as G.T.S. Bench mark
Description : Explain importance of Bench mark in leveling and state the types of Bench mark.
Last Answer : Bench marks are fixed points or marks of known RL determined with reference to the datum line. These are very important points which serve as reference points for finding RLs of new points or for conducting ... 2. Permanent bench mark. 3. Arbitrary bench mark. 4. Temporary bench mark.
Description : Define bench mark and enlist the types of bench mark.
Last Answer : It is fixed reference point of known or assumed elevation. It is used either as a starting point for levelling or as a check while closing. There are four kinds of bench marks. i. Great ... ) bench mark. ii. Permanent bench mark. iii. Arbitrary bench mark. iv. Temporary bench mark.
Description : What is Level surface & Datum surface
Last Answer : Level surface : It is surface parallel to the mean spheroidal surface of the earth. It is normal to the direction of plumb line at all points. Datum surface : It is an arbitrary level ... may be referred. Vertical distances (elevations) of the points are measured with respect to this datum.
Description : In open channels, the specific energy is the (A) Total energy per unit discharge (B) Total energy measured with respect to the datum passing through the bottom of the channel (C) Total energy measured above the horizontal datum (D) Kinetic energy plotted above the free surface of water
Last Answer : Answer: Option B
Description : If the maximum spring rise is 2 m and height of the waves expected is 4 m , then the breakwater height above the datum will be (A) 2.5 m (B) 4 m (C) 5 m (D) 7
Last Answer : (D) 7
Description : Which one of the following statements is correct? (A) The soundings are made with respect to the mean low water (B) The soundings which are below the datum are written in black on the map (C) The spot heights of the features above datum are written in red on the map (D) All the above
Description : The datum temperature for maturity by Plowman, is (A) 23°C (B) 0° (C) - 5.6°C (D) - 11.7°C
Last Answer : (C) - 5.6°C
Description : Which of the following pairs are correctly matched? 1. Piezometric head : Sum of datum head and pressure head 2. Dynamic head : Sum of datum head and velocity head 3. Stagnation head : Sum of Piezometric head and velocity head 4. Total head ... (b) 1, 3 & 4 only (c) 2, 3 & 4 only (d) 1, 2, 3 & 4
Last Answer : (b) 1, 3 & 4 only
Description : Working from the whole to the part is followed as the fundamental principle of surveying so as to : 1. Distribute errors 2. Improve ease of working 3. Prevent accumulation of errors 4. Compensate error in a way 5. Refer to common datum ... (a) 1, 2 and 4 (b) 1, 3 and 5 (c) 3 and 4 (d) 2 and 5
Last Answer : (c) 3 and 4
Description : In , the coordinates are mentioned in the program with respect to onePrevious point. a.Incremental System b.Absolute System c.Datum System d.Screen Coordinates System
Last Answer : a.Incremental System
Description : In , the coordinates are mentioned in the program with respect to onereference point a.Incremental System b.Absolute System c.Datum System d.Screen Coordinates System
Last Answer : b.Absolute System
Description : An aeroplane of 110,000kg has its CG at 22.6m aft of the datum. The CG limits are 18m to 22m aft of the datum. How much mass must be removed from a hold 30m aft of the datum to bring the CG to its mid point? a. 26,800 kg b. 28,600 kg c. 86,200 kg d. 62,800 kg
Last Answer : b. 28,600 kg
Description : Define- 1. Datum 2. Change point
Last Answer : 1. Datum- It is the imaginary level surface or level line from which the vertical distance of different points are measured. 2. Change point- It is the point at which both back sight and foresight readings are taken before and after shifting the level instrument.
Description : An imaginary line joining the points of equal elevation on the surface of the earth, represents (A) Contour surface (B) Contour gradient (C) Contour line (D) Level line
Last Answer : (C) Contour line
Description : Select the correct statement (A) Local atmospheric pressure depends upon elevation of locality only (B) Standard atmospheric pressure is the mean local atmospheric pressure a* sea level ... atmospheric pressure (D) A barometer reads the difference between local and standard atmospheric pressure
Description : Which one of the following statements is correct? (a) Local atmospheric pressure is always lesser than standard atmospheric pressure (b) Local atmospheric pressure depends upon the elevation of ... sea level (d) A barometer reads the difference between local, and standard atmospheric pressure
Last Answer : (c) Standard atmospheric pressure is the mean atmospheric pressure at sea level
Description : The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may ... of reduced level (A) 1500 m (B) 1505 m (C) 1475 m (D) 1485 m
Last Answer : (D) 1485 m
Description : The total change in level along the line is equal to total back sights (A) Minus total fore sights (B) The total rises minus total falls (C) The reduced level of last point minus reduced level of the first point (D) All the above
Description : The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is (A) 502.685 m (B) 501.345 m (C) 501.340 m (D) 504.030 m
Last Answer : (C) 501.340 m
Description : In a constant level tube, size of the bubble remains constant because upper wall is (A) Of relatively larger radius (B) Of relatively smaller radius (C) Flat (D) Convex downwards
Last Answer : (A) Of relatively larger radius
Description : 1. If a ship moves from freshwater into seawater, what will happen? 2. Which was the first National Security Advisor of India who died recently? 3. What is the first compound which is fixed ... year? 20. Which Gupta ruler was equally great in the art of peace, wars and personal accomplishment?
Last Answer : Answer : 1. It will rise a little higher 2. Brajesh Mishra 3. Glucose 4. Nimbus 5. Bimbisara 6. Goa 7. Mass of the body 8. Oudh Commercial Bank 9. Cumulonimbus 10. Priyadarsi 11. A. Motion ... 15. Madras 16. Hydrogen 17. 21st March, 1996 18. Varada Grameen Bank 19. Tundra Climate 20. Chandragupta-II
Description : Which is the time required for the Earth to return to a given point in its orbit with reference to fixed star? -Do You Know?
Last Answer : answer:
Description : Why it is important to use a fixed common reference point for dimensioning of drawings and sketcher?
Last Answer : Need answer
Description : Which is the time required for the Earth to return to a given point in its orbit with reference to fixed star?
Last Answer : Sideral year
Description : Pick up the correct statement from the following (A) The contour lines having the same elevation cannot unite and continue as one line (B) A contour can not end abruptly, but must ultimately close itself not ... slope at a point on a contour is at right angles to the contour (D) All the above
Description : Transition curves are introduced at either end of a circular curve, to obtain (A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the ... specified amount at the junction of the transition curve with main curve (D) None of these
Last Answer : (B) Gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
Description : From the Survey of India map, the distance of the critical point is 20 km and difference in elevation is 193 m. The over land flow time, is (A) 2 hours (B) 3 hours (C) 2 hours and 30 minutes (D) 4 hours
Description : A counter may be defined as an imaginary line passing through (a) Points on the longitudinal section (b) Points of equal elevation (c) Point of equal local ground slope (d) Points of transverse section surveys
Last Answer : (b) Points of equal elevation
Description : Determining the difference in elevation between two points on the surface of the earth, is known as (A) Levelling (B) Simple levelling (C) Differential levelling (D) Longitudinal levelling
Last Answer : (C) Differential levelling
Description : The convexity provided to the carriageway between the crown and edge of the pavement, is known as (A) Super-elevation (B) Camber (C) Height of the pavement (D) None of these