McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Civil Engineering .
| 401. |
The reduced level of a point on the ground is called |
| A. | spot level |
| B. | spot height |
| C. | either (a) or (b) |
| D. | none of these |
| Answer» C. either (a) or (b) | |
| 402. |
If a chain is used at a temperature |
| A. | equal to |
| B. | lower than |
| C. | higher than |
| Answer» C. higher than | |
| 403. |
The curve of varying radius is known as |
| A. | simple curve |
| B. | compound curve |
| C. | reverse curve |
| D. | transition cruve |
| Answer» D. transition cruve | |
| 404. |
Two theodolite method of setting out a curve involves |
| A. | linear measurements only |
| B. | angular measurements only |
| C. | both linear and angular measurements |
| D. | none of these |
| Answer» B. angular measurements only | |
| 405. |
A fixed point of reference of known elevation is called |
| A. | change point |
| B. | station point |
| C. | bench mark |
| D. | datum |
| Answer» C. bench mark | |
| 406. |
The correction to the measured length will be negative when the chain is held on the ground sloping upwards. |
| A. | Yes |
| B. | No |
| Answer» A. Yes | |
| 407. |
When the object lies on the left hand side of the chain line, then while taking offset with an optical square, it is held in |
| A. | left hand upside down |
| B. | right hand upside down |
| C. | left hand upright |
| D. | right hand upright |
| Answer» D. right hand upright | |
| 408. |
A method of differential levelling is used in order to find the difference in elevation between two points when |
| A. | they are too far apart |
| B. | there are obstacles between them |
| C. | the difference in elevation between them is too great |
| D. | all of the above |
| Answer» D. all of the above | |
| 409. |
A metallic tape is made of an alloy of nickel and steel. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 410. |
When a staff is sighted through the telescope, a certain length of staff is intercepted by the stadia lines. The staff intercept varies with the distance at which the staff is held. |
| A. | Yes |
| B. | No |
| Answer» A. Yes | |
| 411. |
With a simple vernier, readings can be taken in one direction only. |
| A. | Yes |
| B. | No |
| Answer» A. Yes | |
| 412. |
In railway and highway works, the method of measuring the |
| A. | direct angles |
| B. | deflection angles |
| Answer» B. deflection angles | |
| 413. |
The contour interval of any survey is inversely proportional to the scale of the map. |
| A. | Agree |
| B. | Disagree |
| Answer» A. Agree | |
| 414. |
The angle of field of the telescope |
| A. | is independent of the size of the object galss |
| B. | increases as the size of the eye piece increases |
| C. | decreases as the distance between eye piece and object increases |
| D. | all of the above |
| Answer» D. all of the above | |
| 415. |
For accurate work, the lengths of back sight and fore sight are kept unequal. |
| A. | Agree |
| B. | Disagree |
| Answer» A. Agree | |
| 416. |
The plane table surveying is |
| A. | most suitable for preparing small-scale maps |
| B. | particularly advantageous in magnetic areas |
| C. | less costly than a theodolite survey |
| D. | all of the above |
| Answer» D. all of the above | |
| 417. |
The line in which the plane passing through the given point and the north and south poles intersects the surface of the earth, is called |
| A. | arbitrary meridian |
| B. | magnetic meridian |
| C. | true meridian |
| D. | none of these |
| Answer» C. true meridian | |
| 418. |
A scale used for measuring fractional parts of the smallest division of the main scale is known as vernier scale. |
| A. | Correct |
| B. | Incorrect |
| Answer» A. Correct | |
| 419. |
To the sum of the first and last ordinates, add twice the sum of the remaining odd ordinates and four times the sum of all the even ordinates. The total sum thus obtained is multiplied by one-third of the common distance between the ordinates and the result gives the required area. This rule of finding the area is called. |
| A. | mid-ordinate rule |
| B. | trapezoidal rule |
| C. | average ordinate rule |
| D. | Simpson's rule |
| Answer» D. Simpson's rule | |
| 420. |
A surface which is normal to the direction of gravity at all points, as indicated by a plumb line, is known as |
| A. | datum surface |
| B. | leverl surface |
| C. | horizontal surface |
| D. | vertical surface |
| Answer» B. leverl surface | |
| 421. |
The error in measured length due to sag of chain or tape is known as |
| A. | positive error |
| B. | negative error |
| C. | compensating error |
| D. | instrumental error |
| Answer» A. positive error | |
| 422. |
When the latitudes and departures are so adjusted that the algebraic sum of the latitudes and departures are equal to zero, the operation is called |
| A. | balancing the latitude |
| B. | balancing the departure |
| C. | balancing the traverse |
| D. | none of these |
| Answer» C. balancing the traverse | |
| 423. |
In plane tabling, the instrument used to measure horizontal and vertical distances directly, is known as |
| A. | plane alidade |
| B. | telescopic alidade |
| C. | tacheometer |
| D. | clinometer |
| Answer» B. telescopic alidade | |
| 424. |
When the whole circle bearing of a traverse line is between 90? and 180?, then |
| A. | the latitude is positive and departure is negative |
| B. | the departure is positive and latitude is negative |
| C. | both the latitude and departure are positive |
| D. | both the latitude and departure are negative |
| Answer» B. the departure is positive and latitude is negative | |
| 425. |
Which of the following statement is wrong? |
| A. | A series of closed contour lines on the map indicates a depression if the higher values are inside |
| B. | A series of closed contour lines on a plane indicates a hill if the higher values are outside. |
| C. | The uniformly spaced contour lines indicates a plane surface. |
| D. | all of the above |
| Answer» D. all of the above | |
| 426. |
Chain surveying consists of the arrangement of framework of triangles because a triangle is the only simple plane figure which can be plotted uniquely if |
| A. | three sides |
| B. | three angles |
| C. | one side and two angles |
| D. | one angle and two sides |
| Answer» A. three sides | |
| 427. |
The curvature of the earth is taken into consideration if the limit of survey is |
| A. | 50 to 100 km2 |
| B. | 100 to 200 km2 |
| C. | 200 to 250 km2 |
| D. | more than 250 km2 |
| Answer» D. more than 250 km2 | |
| 428. |
The horizontal distance between any two consecutive contours is called |
| A. | vertical equivalent |
| B. | horizontal equivalent |
| C. | contour interval |
| D. | contour gradient |
| Answer» B. horizontal equivalent | |
| 429. |
When the effect of refraction is taken into account in levelling, the true staff reading is obtained by subtracting the correction for refraction from the observed staff reading. |
| A. | Right |
| B. | Wrong |
| Answer» B. Wrong | |
| 430. |
A vertical line at any point is a line normal to the level surface at the point. |
| A. | Yes |
| B. | No |
| Answer» A. Yes | |
| 431. |
A stadia telescope, in a tacheometer, is fitted with |
| A. | two additional vretical hairs |
| B. | two additional horizontal hairs |
| C. | all of these |
| Answer» B. two additional horizontal hairs | |
| 432. |
In route surveys, the most suitable method of contouring is |
| A. | by squares |
| B. | by radial lines |
| C. | by cross-sections |
| D. | by tacheometer |
| Answer» C. by cross-sections | |
| 433. |
Which of the following statement is wrong? |
| A. | The magnetic meridian coincides with the true meridian at all the places |
| B. | The magnetic meridian does not vary from place to place on the earth's surface. |
| C. | The magnetic declination at a place is constant. |
| D. | all of the above |
| Answer» D. all of the above | |
| 434. |
The direct angles may have any value between |
| A. | 0? and 90? |
| B. | 0? and 120? |
| C. | 0? and 180? |
| D. | 0? and 360? |
| Answer» D. 0? and 360? | |
| 435. |
When the length of a chord is less than the peg interval, it is known as |
| A. | small chord |
| B. | short chord |
| C. | sub-chord |
| D. | normal chord |
| Answer» C. sub-chord | |
| 436. |
The fundamental requirement of the spiral curve is that its radius of curvature at any point shall vary inversely as the distance from the beginning of the curve. |
| A. | Agree |
| B. | Disagree |
| Answer» A. Agree | |
| 437. |
The deflection angle may be directly obtained by setting the instrument to read |
| A. | 0? |
| B. | 90? |
| C. | 180? |
| D. | 270? |
| Answer» A. 0? | |
| 438. |
If x is the smallest division on the main scale and n are the number of divisions on the vernier, then the least count of the vernier is |
| A. | x + n |
| B. | x - n |
| C. | x x n |
| D. | x ? n |
| Answer» D. x ? n | |
| 439. |
A line joining some fixed points on the main survey lines, is called a |
| A. | check line |
| B. | tie line |
| C. | base line |
| D. | none of these |
| Answer» B. tie line | |
| 440. |
The degree of the curve is the angle subtended by a chord of |
| A. | 15 m |
| B. | 20 m |
| C. | 25 m |
| D. | 30 m |
| Answer» D. 30 m | |
| 441. |
The length of peg interval for flat curves is |
| A. | 15 m |
| B. | 20 m |
| C. | 25 m |
| D. | 30 m |
| Answer» D. 30 m | |
| 442. |
A staff reading taken on a point whose elevation is to be determined as on a change point is called. |
| A. | fore sight reading |
| B. | back sight reading |
| C. | intermediate sight |
| D. | none of these |
| Answer» A. fore sight reading | |
| 443. |
When the position of a point is to be located accurately by a perpendicular offset, the direction of perpendicular is set out by means of |
| A. | theodolite |
| B. | optical square |
| C. | dumpy level |
| D. | planimeter |
| Answer» B. optical square | |
| 444. |
The height of instrument is equal to |
| A. | reduced level of bench mark + back sight |
| B. | reduced level of bench mark + fore sight |
| C. | reduced level of bench mark + intermediate sight |
| D. | back sight + fore sight |
| Answer» A. reduced level of bench mark + back sight | |
| 445. |
The tachemometric method of contouring is particularly suitable |
| A. | when a contoured map of hill is required |
| B. | when the area is not very extensive |
| C. | in surveys of roads or railways |
| D. | all of these |
| Answer» A. when a contoured map of hill is required | |
| 446. |
The method of surveying in which field work and plotting work are done simultaneously, is called |
| A. | compass surveying |
| B. | levelling |
| C. | plane tabling |
| D. | chain surveying |
| Answer» C. plane tabling | |
| 447. |
The operation of turning the table so that all the lines on the paper are parallel to the corresponding lines on the ground, is called |
| A. | levelling |
| B. | centering |
| C. | setting |
| D. | orientation |
| Answer» D. orientation | |
| 448. |
A line joining the apex of a triangle to some fixed point on the opposite side is called a |
| A. | check line |
| B. | tie line |
| C. | base line |
| D. | none of these |
| Answer» A. check line | |
| 449. |
Which of the following statement is correct? |
| A. | The error in measured length due to bad ranging is compensating error. |
| B. | If the chain used in measuring a distance is too short, the error is positive error. |
| C. | The error in measured length due to careless holding of chain is cumulative error. |
| D. | When the pull applied while measuring with a tape, is more than the standard pull for that tape, the error in measured length is positive. |
| Answer» B. If the chain used in measuring a distance is too short, the error is positive error. | |
| 450. |
The contour lines can cross one another on map only in the case of |
| A. | a vertical cliff |
| B. | a valley |
| C. | a ridge |
| D. | an overhanging cliff |
| Answer» D. an overhanging cliff | |
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