Pick up the correct statement from the following:
(A) Box sextant is used for the measurement of horizontal angles
(B) Cross staff is used for setting out right angles
(C) Gradiometer is used for setting out any required gradient
(D) All the above

1 Answer

Answer :

(D) All the above

Related questions

Description : Cross-staff is used for  (A) Setting out right angles  (B) Measuring contour gradient  (C) Taking levels  (D) Measuring distances 

Last Answer : (A) Setting out right angles 

Description : The angle between the index glass and the horizon glass of a box sextant is 40°; the horizontal angle between the two points sighted by the instruments is : (a) 20° (b) 60° (c) 40° (d) 80°

Last Answer : (a) 20°

Description : Pick up the correct statement from the following: (A) When the electric field oscillates in the direction of the electric vector, a plane polarised wave is formed (B) When the electric vector is ... right angles to the plane of incidence, horizontal polarization wave is formed (D) All of these

Last Answer : Answer: Option D

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

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

Description : In a flow net (A) Flow lines and equipotential lines cross each other at right angles (B) Fields are rectangles whose length is twice the breadth (C) Smaller the dimensions of the field, ... gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular

Last Answer : Option A

Description : 0 Pick up the correct statement from the following: (A) The point through which the resultant of the shear stresses passes is known as shear centre (B) In the standard rolled channels, the shear centre ... horizontal plane and away from the C.G., outside of the leg projection (D) All the above

Last Answer : (D) All the above

Description : Pick up the incorrect statement from the following: (A) The rate of flow of water through a unit cross-sectional area under a unit hydraulic gradient, is called coefficient of permeability (B) ... aquifers, is governed by the Darcy's law (D) The term 'transmissibility' was introduced by Meinzer

Last Answer : Answer: Option D

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

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

Description : Draw sketch and write the procedure for setting offset to the left or right side of suvey line with open cross-staff.

Last Answer : Procedure for setting offset with open cross staff : 1. Keep the ranging rods at point P(fixed on survey line) and at point A1 approximately. 2. The cross staff with stadia rod is fixed ... can be fixed and perpendicular offset AB is said to be set to given survey line PQ in left side.

Description : A stilling well is required when the stage measurement is made by employing : a) Bubble gauge b) Float gauge recorder c) Vertical staff gauge d) Inclined staff gauge

Last Answer : b) Float gauge recorder

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

Last Answer : (D) All the above

Description : Pick up the correct statement from the following regarding the pressure conduits:  (A) Pressure conduits are permitted to run ¾th full  (B) Pressure conduits are always laid along down grades  ... ) The hydraulic gradient line always coincides the invert of the conduit  (D) None of these

Last Answer : (D) None of these

Description : Pick up the correct statement from the following: (A) The phenomenon of quicksand generally occurs in the cohesionless soil (B) At critical hydraulic gradient, the saturated sand becomes quick (C) The critical gradient depends on the void ratio and the specific gravity (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) The incidental expenses of a miscellaneous character which could not be predicted during preparation of the estimate, is called contingencies (B) ... and the proportions of materials to be used for a particular item (D) All the above

Last Answer : (D) All the above

Description : Keeping the instrument height as 1½ 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  (A) 25 cm  (B) 20 m  (C) 45 m  (D) 10 m

Last Answer : (C) 45 m 

Description : Theodolite is an instrument used for (a) Tightening the capstan-headed nuts of level tube (b) Measurement of horizontal angles only (c) Measurement of vertical angles only (d) Measurement of both horizontal and vertical angles*

Last Answer : (d) Measurement of both horizontal and vertical angles*

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

Description : The area of any irregular figure of the plotted map is measured with (A) Pentagraph (B) Sextant (C) Clinometer (D) Planimeter

Last Answer : (D) Planimeter

Description : A clinometer is used for (A) Measuring angle of slope (B) Correcting line of collimation (C) Setting out right angles (D) Defining natural features

Last Answer : (A) Measuring angle of slope

Description : Pick up the correct statement from the following: Method of sawing timber (A) Tangentially to annual rings, is known as tangential method (B) In four quarters such that each board cuts annual rings ... medullary rays and perpendicular to annual rings, is known as radial sawing (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) Higher the gauge, more deficient will be the rain catch (B) Heavier the rain, lesser will be the rain catch (C) The trees serving as wind brakes in the vicinity of the gauge, should not subtend angles greater than 45° (D) All the above

Last Answer : Answer: Option D

Description : The cross-sections for a highway is taken at (A) Right angle to the centre line (B) 30 metres apart (C) Intermediate points having abrupt change in gradient (D) All the above

Last Answer : (D) All the above

Description : Pick up the incorrect statement from the following. The width of the right-of-way is decided so as to accommodate (A) Formation width (B) Side slopes (C) Horizontal curve (D) Vertical curve

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) Topology describes the geometric characteristic of objects which do not change under transformations and are independent of any coordinate system ... The three elements of topology are adjacency, containment, and connectivity (D) All of these

Last Answer : Answer: Option D

Description : Pick up the incorrect statement from the following: (A) As a wave of sea water approaches the coast line, it is generally accompanied by a drift of water in the direction of wave advance (B) ... in the direction of the wave (D) The wave while receding carries finer particles out to deep water

Last Answer : (C) A falling hydraulic gradient occurs in the direction of the wave

Description : If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for (A) Horizontal sights (B) Inclined sights upward (C) Inclined sight downward (D) None of these

Last Answer : (A) Horizontal sights

Description : Pick up the correct statement from the following: (A) The heating of a material to redness in contact with air, is known as calcination (B) The property of lime by which it sets or hardens in ... (C) The product that remains after calcination of limestone, is called lime (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The plastic bottles are made by the process of blowing (B) The application of thermo-setting resins on sheets of paper, is called laminating ... placing raw material in the desired moulds, is known as moulding process (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) The lime in excess makes the cement unsound and causes the cement to expand and disintegrate (B) The silica in excess makes the cement stronger ... time also increases (C) The excess amount of alumina weakens the cement (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement regarding low heat cement from the following: (A) It possesses less compressive strength (B) Its initial setting time is about one hour (C) Its final setting time is about 10 hours (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following:  (A) A wire wound in spiral form, is called a helical spring  (B) The pitch of a close coil spring, is very small  (C) The angle made by the coil with horizontal, is called the angle of helix  (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following:  (A) A level surface is perpendicular at all points to the direction of gravity  (B) A level line lies in level surface  (C) A horizontal surface is normal to the direction of gravity at only one point  (D) All the above 

Last Answer : (D) All the above 

Description : Pick up the correct statement from the following: (A) The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass (B) The ... lines through places at which the declination is zero are termedagonic lines (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) The directions of plumb lines suspended at different points in a survey are not strictly parallel (B) In surveys of small extent, the effect of ... of large extent, the effect of curvature of the earth must be considered (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) Continuous grading is not necessary for obtaining a minimum of air voids (B) The omission of a certain size of aggregate is shown by ... in concrete increases the workability but also increases the liability to segregation (D) All the above

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) In stone arches, the stones are placed with their natural beds radial (B) In cornices, the stones are placed with their natural beds as vertical (C) In stone walls, the stones are placed with their natural beds as horizontal (D) All the above

Last Answer : Answer: Option D

Description : If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on (A) Staff normal (B) Staff vertical (C) Staff normal as well as vertical (D) None of these

Last Answer : (A) Staff normal

Description : An imaginary line lying throughout the surface of ground and preserving a constant inclination to the horizontal is known as (A) Contour line (B) Horizontal equivalent (C) Contour interval (D) Contour gradient

Last Answer : (D) Contour gradient

Description : An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called (A) Contour line (B) Contour gradient (C) Level line (D) Line of gentle scope

Last Answer : (B) Contour gradient

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 : If the intercept on a vertical staff is observed as 0.75 m from a tachometer, the horizontal distance between tachometer and staff (A) 7.5 m (B) 25 m (C) 50 m (D) 75 m

Last Answer : (D) 75 m

Description : Pick up the correct statement from the following: A. The boning rod is used for checking the levels of the sewer inverts B. Manhole covers are made circular for the convenience of the cleaning staff C. A manhole is classified as shallow manhole if its depth is less than 0.9 m D. All the above

Last Answer : ANS: D

Description : Pick up the correct statement regarding the centre line method of estimating a building (A) Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the ... length is reduced by half the layer of main wall joining the partition wall (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following:  (A) For channels, the shear centre does not coincide its centroid  (B) The point of intersection of the bending axis with the cross section ... shear centre coincides with the centroid of the cross section of the beam  (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) If the image of the object does not fall on the plane of the cross-lines, parallax exists (B) Parallax has nothing to do with the eyepiece (C) The eyepiece is adjusted for clear vision of the cross hairs (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) The cross fall of the shoulder should be at least 0.5% steeper than camber (B) On super-elevated sections, the shoulders should be provided a ... equal to camber (C) Earthen roads in general are provided steepest cross-fall (D) All the above

Last Answer : Answer: Option D

Description : What is sextant ?

Last Answer : The instrument used to measure the progress of the sun is called sextant.

Last Answer : of the sun Angular Distance Diagnostic Instrument.