McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 301. |
It is more convenient and gives better results while measuring horizontal distance |
| A. | down the hill |
| B. | up the hill |
| C. | in plane areas |
| Answer» A. down the hill | |
| 302. |
The true or geographical meridiams through the various stations |
| A. | are parallel |
| B. | converge to the poles |
| C. | converge from north pole to south pole |
| D. | converge from south pole to north pole |
| Answer» B. converge to the poles | |
| 303. |
The angle of intersection of the horizon glass and index glass in an optical square is |
| A. | 30? |
| B. | 45? |
| C. | 60? |
| D. | 75? |
| Answer» B. 45? | |
| 304. |
The power of a telescope to form distinguishable images of objects separated by small angular distance is called its |
| A. | definition |
| B. | brightness |
| C. | sensitivity |
| D. | resolving power |
| Answer» D. resolving power | |
| 305. |
The method of plane tabling commonly used for establishing the instrument stations only, is a |
| A. | method of radiation |
| B. | method of intersection |
| C. | method of traversing |
| D. | method of resection |
| Answer» D. method of resection | |
| 306. |
In an optical square, the angle between the first incident ray and the last reflected ray is |
| A. | 60? |
| B. | 90? |
| C. | 120? |
| D. | 150? |
| Answer» B. 90? | |
| 307. |
The process of turning the telescope of a theodolite over its supporting axis through 180? in a vertical plane, is called |
| A. | transiting |
| B. | reversing |
| C. | plunging |
| D. | any one of these |
| Answer» D. any one of these | |
| 308. |
Which of the following statement is correct? |
| A. | In levelling, the effect of curvature is to decrease the staff reading. |
| B. | The effect of refraction in levelling is to increase the staff reading. |
| C. | The combined effect of curvature and refraction in levelling is to increase the staff reading. |
| D. | all of the above |
| Answer» C. The combined effect of curvature and refraction in levelling is to increase the staff reading. | |
| 309. |
The method of reiteration of measuring horizontal angles is generally preferred when several angles are to be measured at a particular station. |
| A. | Yes |
| B. | No |
| Answer» A. Yes | |
| 310. |
The projection of a traverse line on a line perpendicular to the meridian is known as |
| A. | latitude of the line |
| B. | departure of the line |
| C. | bearing of the line |
| D. | co-ordinate of the line |
| Answer» B. departure of the line | |
| 311. |
When the cross-hairs are not clearly visible, |
| A. | the cross-hairs should be adjusted |
| B. | the eye-piece should be focussed |
| C. | the objective should be focussed |
| D. | the parallex should be removed |
| Answer» B. the eye-piece should be focussed | |
| 312. |
The angle between the back tangent and forward tangent of a curve is known as |
| A. | deflection angle |
| B. | central angle |
| C. | angle of intersection |
| D. | none of these |
| Answer» C. angle of intersection | |
| 313. |
The lines passing through points at which the magnetic declination is equal at a given time are called |
| A. | isogonic lines |
| B. | agonic lines |
| C. | isoclinic lines |
| D. | none of these |
| Answer» A. isogonic lines | |
| 314. |
A plumb bob is required |
| A. | when measuring distances along slopes in a hilly country |
| B. | for accurate centering of a theodolite over a station mark |
| C. | for testing the verticality of ranging poles |
| D. | all of the above |
| Answer» D. all of the above | |
| 315. |
The ratio of the focal length of the objective to that of an eye-piece of a telescope is called its |
| A. | definition |
| B. | brightness |
| C. | sensitivity |
| D. | magnification |
| Answer» D. magnification | |
| 316. |
The levelling should always commence from a temporary bench mak and end on a permanent bench mark. |
| A. | Correct |
| B. | Incorrect |
| Answer» B. Incorrect | |
| 317. |
The obstacle, which obstructs vision but not chanining, is a |
| A. | river |
| B. | pond |
| C. | hill |
| D. | all of these |
| Answer» C. hill | |
| 318. |
When the magnetic declination is 5? 20' east, the magnetic bearing of the sun at noon will be |
| A. | 95? 20' |
| B. | 174? 40' |
| C. | 185? 20' |
| D. | 354? 40' |
| Answer» D. 354? 40' | |
| 319. |
In plane surveying, |
| A. | The curvature of the earth is taken into consideration |
| B. | the surveys extend over small areas |
| C. | the surveys extend over large areas |
| Answer» B. the surveys extend over small areas | |
| 320. |
Chain surveying is most suitable when |
| A. | area to be surveyed is small |
| B. | ground is fairly level and open with simple details |
| C. | plans are required on a large scale |
| D. | all of the above |
| Answer» D. all of the above | |
| 321. |
The lines of earth's magnetic field run from |
| A. | south to north |
| B. | north to south |
| C. | east to west |
| D. | west to east |
| Answer» B. north to south | |
| 322. |
The representative fraction 1 / 2500 means that the scale is |
| A. | 1 cm = 0.25 m |
| B. | 1 cm = 2.5 m |
| C. | 1 cm = 25 m |
| D. | 1 cm = 250 m |
| Answer» C. 1 cm = 25 m | |
| 323. |
If the fore bearing of a line is 36? 15', its back bearing will be |
| A. | 36? 15' |
| B. | 126? 15' |
| C. | 143? 45' |
| D. | 216? 15' |
| Answer» D. 216? 15' | |
| 324. |
In a field book, the booking is commenced at the bottom of a page and worked upwards. |
| A. | True |
| B. | False |
| Answer» A. True | |
| 325. |
A deflection angle in a traverse is equal to the |
| A. | difference between the included angle and 180? |
| B. | difference between 360? and the included angle |
| C. | sum of the included angle and 180? |
| D. | none of the above |
| Answer» A. difference between the included angle and 180? | |
| 326. |
A deflection angle is |
| A. | less than 90? |
| B. | more than 90? but less than 180? |
| C. | equal to the difference between the angle of intersection and 180? |
| D. | equal to the difference between the angle of intersection and 360? |
| Answer» C. equal to the difference between the angle of intersection and 180? | |
| 327. |
The bearing of a line in the direction of the progress of survey is called back bearing |
| A. | Yes |
| B. | No |
| Answer» B. No | |
| 328. |
The rise and fall method for obtaining the reduced levels of points provides a check on |
| A. | fore sights only |
| B. | back sights only |
| C. | intermediate sights only |
| D. | all of these |
| Answer» D. all of these | |
| 329. |
The axis of telescope level must be |
| A. | parallel |
| B. | perpendicular |
| Answer» A. parallel | |
| 330. |
In a direct vernier, the smallest division of a vernier is |
| A. | equal to |
| B. | shorter than |
| C. | longer than |
| Answer» B. shorter than | |
| 331. |
The latitude and departure of a traverse line are both positive when the whole circle bearing of the line lies in the |
| A. | first quadrant |
| B. | second quadrant |
| C. | third quadrant |
| D. | fourth quadrant |
| Answer» A. first quadrant | |
| 332. |
An invar tape is generally used for accurate measurement of distance because it possesses |
| A. | zero |
| B. | low |
| C. | high |
| Answer» B. low | |
| 333. |
The reconnaissance surveying is carried out to determine the artificial features such as roads, railways, canals, buildings etc. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 334. |
The departure of a traverse line is obtained by multiplying its length with the tangent of its reduced bearing. |
| A. | Agree |
| B. | Disagree |
| Answer» B. Disagree | |
| 335. |
The strength of 'fix' of a plane table from three known points is poor if the instrument station is near the great circle. |
| A. | Correct |
| B. | Incorrect |
| Answer» A. Correct | |
| 336. |
A diagonal scale is used to read |
| A. | two |
| B. | three |
| C. | four |
| Answer» B. three | |
| 337. |
An imaginary line tangential to the longitudinal curve of the bubble tube at its middle point is called |
| A. | axis of telescope |
| B. | axis of level tube |
| C. | level line |
| D. | line of collimation |
| Answer» B. axis of level tube | |
| 338. |
The curve used for ideal transition curve is a |
| A. | cubic parabola |
| B. | clothoid spiral |
| C. | cubic spiral |
| D. | lemniscate |
| Answer» D. lemniscate | |
| 339. |
In high latitudes, the diurnal variation of the magnetic needle is greater. |
| A. | Agree |
| B. | Disagree |
| Answer» A. Agree | |
| 340. |
When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be |
| A. | positive error |
| B. | negative error |
| C. | compensating error |
| D. | none of these |
| Answer» B. negative error | |
| 341. |
To find the true difference of level between two points, the level should be kept |
| A. | at either of the two points |
| B. | exactly midway between the two points |
| C. | at any point on the line joining the two points |
| D. | none of the above |
| Answer» B. exactly midway between the two points | |
| 342. |
A line joining the optical centre of the object glass and the centre of the eye piece, is known as |
| A. | fundamental line |
| B. | axis of telescope |
| C. | axis of level tube |
| D. | line of collimation |
| Answer» B. axis of telescope | |
| 343. |
When R is the radius of the curve (in metres), D is the degree of curve (in degrees) and length of the chord is 30 m, then the relation between R and D is |
| A. | R = 1520/D |
| B. | R = 1720/D |
| C. | R = 4500/D |
| D. | R = 5400 / D |
| Answer» B. R = 1720/D | |
| 344. |
A compound curve consists of two arcs of equal radii bending in the same direction. |
| A. | Right |
| B. | Wrong |
| Answer» B. Wrong | |
| 345. |
The magnetic bearing of a line is S 35? 30' E and the magnetic declination is 4? 10' east. The true bearing of a line will be |
| A. | S 31? 30' E |
| B. | S 31? 30' W |
| C. | S 39? 50' E |
| D. | S 38? 50' W |
| Answer» A. S 31? 30' E | |
| 346. |
When the angular mesurements of a traverse are more precise than the linear measurements, the balancing of a traverse is done by |
| A. | transit rule |
| B. | empirical rule |
| C. | Bowditch's rule |
| D. | any one of these |
| Answer» A. transit rule | |
| 347. |
The additive constant for the tacheometer is |
| A. | f / i |
| B. | I / f |
| C. | f / d |
| D. | f + d |
| Answer» D. f + d | |
| 348. |
Which of the following statement is correct? |
| A. | The line ranger is used for fixing intermediate points on the chain lines. |
| B. | The indirect ranging is resorted to when the ends of a line are not intervisible due to high ground. |
| C. | The chainman at the forward end of the chain is called leader. |
| D. | all of the above |
| Answer» D. all of the above | |
| 349. |
The error which is not completely eliminated in reciprocal levelling, is |
| A. | error due to curvature |
| B. | error due to refraction |
| C. | error due to non-adjustment of the line of collimation |
| D. | error due to non-adjustment of bubble tube |
| Answer» B. error due to refraction | |
| 350. |
When the whole circle bearing of two lines AB and AC are 115? and 41? respectively, then the included angle BAC will be |
| A. | 41? |
| B. | 74? |
| C. | 115? |
| D. | 156? |
| Answer» B. 74? | |
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