29351. 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
29352. Accuracy of 'fix' by two point problem, is
29353. A bearing of a line is also known as
29354. True meridians are generally preferred to magnetic meridians because
29355. Find out the correct alternative with the series.K4J3RPQ2TV3A3
29356. If θ is the slope of the ground and l is the measured distance, the correction is
29357. The most reliable method of plotting a theodolite traverse, is
29358. 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
29359. Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to
29360. The probable error of the adjusted bearing at the middle is
29361. The bearings of the lines AB and BC are 146° 30' and 68° 30'. The included angle ABC is
29362. For a closed traverse the omitted measurements may be calculated
29363. The slope correction for a length of 30 m along a gradient of 1 in 20, is
29364. The main principle of surveying is to work
29365. For the construction of highway (or railway)
29366. If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.
29367. The sensitiveness of a level tube decreases if
29368. For true difference in elevations between two points A and B, the level must be set up
29369. ABCD is a regular parallelogram plot of land whose angle BAD is 60°. If the bearing of the line AB is 30°, the bearing of CD, is
29370. Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than
29371. Select a world synonymous with ;INTEGRITY’.
29372. An ideal transition curve is
29373. Pantagraph is used for
29374. If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by
29375. The branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known
29376. In levelling operation
29377. If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway, is
29378. The angle between two plane mirrors of optical square, is
29379. The latitude of a traverse leg is obtained by multiplying its length by
29380. The Pallivasal hydroelectric project was started in Kerala by?
29381. A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m, the error is approximately equal to
29382. In optical reading instruments
29383. For setting out a simple curve, using two theodolites.
29384. Geodetic surveying is undertaken
29385. The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be
29386. A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at A and B were 1.22 and 1.06. With the level set up a A, the readings at A and B were 1.55 and 1.37. The collimation error per 100 m length of sight is
29387. Keeping the instrument height as 1 m, length of staff 4 m, the up gradient of the ground 1 in 10, the sight on the up slope must be less than
29388. True meridian of different places
29389. Let angular value of one graduation of a tube of length x be φ seconds and R be the radius of its internal curved surface, then
29390. Each of these apartment buildings has ---------own swimming pool
29391. Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value, state whether the line of sight AB
29392. The diaphragm of a stadia theodolite is fitted with two additional
29393. Centering error of a theodolite produces an error
29394. Use the correct adverb to replace the groups of words in bold letters.He,was appointed principal,”FOR THE PRESENT TIME ONLY”:
29395. A tape of length l and weight W kg/m is suspended at its ends with a pull of P kg, the sag correction is
29396. Identify the sentence “Look before you leap”:
29397. The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known
29398. Dr. M.S. Swaminathan has distinguished himself in the field of:?
29399. Orientation of a plane table by solving two point problem is only adopted when