Setting out of Lemniscate transition curves, is done with (A) Perpendicular offsets (B) Radial offsets (C) Deflection angles (D) Polar deflection angles

Setting out of Lemniscate transition curves, is done with
(A) Perpendicular offsets
(B) Radial offsets
(C) Deflection angles
(D) Polar deflection angles
by

1 Answer

Answer :

Answer: Option D
by

Related questions

The type of transition curves generally provided on hill roads, is (A) Circular (B) Cubic parabola (C) Lemniscate (D) Spiral

Description : The type of transition curves generally provided on hill roads, is (A) Circular (B) Cubic parabola (C) Lemniscate (D) Spiral

Last Answer : Answer: Option D

The maximum radial distance of a Lemniscate curve, having maximum polar angle a, is (A) 3 R (B) 3 R sin2 (C) 3 R (D) 3 R

Description : The maximum radial distance of a Lemniscate curve, having maximum polar angle a, is (A) 3 R (B) 3 R sin2 (C) 3 R (D) 3 R

Last Answer : Answer: Option C

If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the maximum polar angle of the curve, is (A) 10° (B) 15° (C) 20° (D) 30°

Description : If a Lemniscate curve of transition throughout is introduced to connect two parallel roads, the maximum polar angle of the curve, is (A) 10° (B) 15° (C) 20° (D) 30°

Last Answer : Answer: Option D

The ratio of maximum deviation angle and maximum polar deflection angle of a Lemniscate curve, isA) 2 (B) 3 (C) 4 (D) 5

Description : The ratio of maximum deviation angle and maximum polar deflection angle of a Lemniscate curve, is A) 2 (B) 3 (C) 4 (D) 5

Last Answer : Answer: Option B

The approximate formula for radial or perpendicular offsets from the tangent, is (A) x/2R (B) x²/2R (C) x/R (D) x²/R

Description : The approximate formula for radial or perpendicular offsets from the tangent, is (A) x/2R (B) x²/2R (C) x/R (D) x²/R

Last Answer : (B) x²/2R

A lemniscate curve will not be transitional throughout, if its deflection angle, is (A) 45° (B) 60° (C) 90° (D) 120°

Description : A lemniscate curve will not be transitional throughout, if its deflection angle, is (A) 45° (B) 60° (C) 90° (D) 120°

Last Answer : (A) 45°

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 at angles not less than 45°, is known as quarter sawing method (C) Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing (D) All the above

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

In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and the straight, and the angle between the polar ray and the straight, is (A) 2 (B) 3 (C) 4/3 (D) 3/2

Description : In a lemniscate curve the ratio of the angle between the tangent at the end of the polar ray and the straight, and the angle between the polar ray and the straight, is (A) 2 (B) 3 (C) 4/3 (D) 3/2

Last Answer : (D) 3/2

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 Vernier A at zero at back station and turning the instrument to the forward station (C) Taking two back sights one with the telescope normal and the other with telescope inverted (D) None of these

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

For setting out a simple curve, using two theodolites. (A) Offsets from tangents are required (B) Offsets from chord produced are required (C) Offsets from long chord are required (D) None of these

Description : For setting out a simple curve, using two theodolites.  (A) Offsets from tangents are required  (B) Offsets from chord produced are required  (C) Offsets from long chord are required  (D) None of these 

Last Answer : (D) None of these 

For setting out a simple curve, using two theodolites. (A) Offsets from tangents are required (B) Offsets from chord produced are required (C) Offsets from long chord are required (D) None of these

Description : For setting out a simple curve, using two theodolites.  (A) Offsets from tangents are required  (B) Offsets from chord produced are required  (C) Offsets from long chord are required  (D) None of these 

Last Answer : (C) R/20

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 transition curve with main curve (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 (C) Gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve (D) None of these

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

Curves in the same direction separated by short tangents, are called (A) Simple circular curves (B) Compound curves (C) Transition curves (D) Broken-back curves

Description : Curves in the same direction separated by short tangents, are called (A) Simple circular curves (B) Compound curves (C) Transition curves (D) Broken-back curves

Last Answer : Answer: Option D

The type of curves generally provided on highways, is (A) Critical curve (B) Transition curve (C) Vertical curve (D) All the above

Description : The type of curves generally provided on highways, is (A) Critical curve (B) Transition curve (C) Vertical curve (D) All the above

Last Answer : Answer: Option D

State four instruments used for setting offsets.

Description : State four instruments used for setting offsets.

Last Answer : i) Instruments used for setting offsets: 1)Chain 2)Tape 3) Open & French Cross Staff 4) Circular & Indian Optical Square  ii) Principle of optical square: The angle between the first incident ray and the last reflected ray is twice to that of angle between two mirrors in optical square.

Explain the procedure of curve setting by method of offsets from long chord

Description : Explain the procedure of curve setting by method of offsets from long chord

Last Answer : Procedure: 1. Divide the long chord into an even number of equal parts say 8,10,12 etc. 2. Set out the offset as calculated from the formula  and obtain the required points on the ... ED, the offset for the right half of the curve will be the same as those on the left half side. 

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, smaller will be the hydraulic gradient and velocity of flow through it (D) For homogeneous soil, the curves are smooth and circular

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

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 (A) 2.828 (B) 3.828 (C) 1.828 (D) 0.828

Description : 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 (A) 2.828 (B) 3.828 (C) 1.828 (D) 0.828

Last Answer : (A) 2.828

The length of a transition curve, is governed by (A) Rate of change of radial acceleration (B) Rate of change of super-elevation (C) Both (a) and (b) (D) Neither (a) nor (b)

Description : The length of a transition curve, is governed by (A) Rate of change of radial acceleration (B) Rate of change of super-elevation (C) Both (a) and (b) (D) Neither (a) nor (b)

Last Answer : Answer: Option C

In arches, stratified stones are placed so that their planes are (A) Parallel (B) Perpendicular (C) Radial (D) None of these

Description : In arches, stratified stones are placed so that their planes are (A) Parallel (B) Perpendicular (C) Radial (D) None of these

Last Answer : Answer: Option C

The properties of autogenous curve for automobiles are given by (A) True spiral (B) Cubic parabola (C) Bernoulli's Lemniscate (D) Clothoid spiral

Description : The properties of autogenous curve for automobiles are given by (A) True spiral (B) Cubic parabola (C) Bernoulli's Lemniscate (D) Clothoid spiral

Last Answer : (C) Bernoulli's Lemniscate

If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is (A) 1°43' 08" (B) 1°43' 18" (C) 1°43' 28" (D) 1°43' 38"

Description : If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is (A) 1°43' 08" (B) 1°43' 18" (C) 1°43' 28" (D) 1°43' 38"

Last Answer : (C) 1°43' 28"

If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum perpendicular offset for the transition curve, is (A) 0.70 m (B) 1.70 m (C) 2.70 m (D) 3.70 m

Description : If the length of a transition curve to be introduced between a straight and a circular curve of  radius 500 m is 90 m, the maximum perpendicular offset for the transition curve, is  (A) 0.70 m  (B) 1.70 m  (C) 2.70 m  (D) 3.70 m

Last Answer : (C) 2.70 m 

Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to (A) Shift (B) Twice the shift (C) Thrice the shift (D) Four times the shift

Description : Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to (A) Shift (B) Twice the shift (C) Thrice the shift (D) Four times the shift

Last Answer : (D) Four times the shift

In a right angle bend of a road provided with a transition throughout, the maximum polar angle will be (A) 10° (B) 15° (C) 20° (D) 30°

Description : In a right angle bend of a road provided with a transition throughout, the maximum polar angle will be (A) 10° (B) 15° (C) 20° (D) 30°

Last Answer : Answer: Option B

Use of polar curves in illumination Engg

Description : Use of polar curves in illumination Engg

Last Answer : The polar curves are required to determine the mean horizontal candle power (MHCP) and mean hemispherical candle power (MHSCP).The polar curves are due to limitations of unsymmetrical design shape of ... lighting scheme. 2. To know the intensity of light emitted by the source in different direction

If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to (A) 0° (B) 90° (C) 180° (D) 360°

Description : If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to (A) 0° (B) 90° (C) 180° (D) 360°

Last Answer : (D) 360°

A number of forces acting at a point will be in equilibrium if (A) Their total sum is zero (B) Two resolved parts in two directions at right angles are equal (C) Sum of resolved parts in any two perpendicular directions are both zero (D) All of them are inclined equally

Description : A number of forces acting at a point will be in equilibrium if (A) Their total sum is zero (B) Two resolved parts in two directions at right angles are equal (C) Sum of resolved parts in any two perpendicular directions are both zero (D) All of them are inclined equally

Last Answer : (C) Sum of resolved parts in any two perpendicular directions are both zero

In a purely cohesive soil, the critical centre lies at the intersection of (A) Perpendicular bisector of slope and the locus of the centre (B) Perpendicular drawn at 1/3rd slope from toe and the locus of the centre (C) Perpendicular drawn at 2/3rd slope from toe and the locus of the centre (D) Directional angles

Description : In a purely cohesive soil, the critical centre lies at the intersection of (A) Perpendicular bisector of slope and the locus of the centre (B) Perpendicular drawn at 1/3rd slope from toe and the ... C) Perpendicular drawn at 2/3rd slope from toe and the locus of the centre (D) Directional angles

Last Answer : Answer: Option D

Location of soundings by two angles from the shore requires establishing (A) One range line parallel to shore (B) One range line perpendicular to shore (C) Two range lines mutually perpendicular (D) No range line

Description : Location of soundings by two angles from the shore requires establishing (A) One range line parallel to shore (B) One range line perpendicular to shore (C) Two range lines mutually perpendicular (D) No range line

Last Answer : (D) No range line

An angle of deflection right, may be directly obtained by setting the instrument to read (A) Zero on back station (B) 180° on back station (C) 90° (D) 270° on back station

Description : An angle of deflection right, may be directly obtained by setting the instrument to read (A) Zero on back station (B) 180° on back station (C) 90° (D) 270° on back station

Last Answer : (A) Zero on back station

State the two methods of setting out curves.

Description : State the two methods of setting out curves.

Last Answer : Methods of setting out curves :- 1) Method of offsets or ordinates from the long chord 2) By successive bisection of arcs 3) By offsets from tangents 4) By offsets from chords produced 5) Rankine’s method of tangential angles 6) Two Theodolite method

Check lines (or proof lines) in Chain Surveying, are essentially required (A) To plot the chain lines (B) To plot the offsets (C) To indicate the accuracy of the survey work (D) To increase the out-turn

Description : Check lines (or proof lines) in Chain Surveying, are essentially required (A) To plot the chain lines (B) To plot the offsets (C) To indicate the accuracy of the survey work (D) To increase the out-turn

Last Answer : (C) To indicate the accuracy of the survey work

Widening of the roads on curves in hilly region, is done (A) On the outer side (B) On the inner side (C) On the outer and inner sides equally (D) Less on outer side and more on inner side

Description : Widening of the roads on curves in hilly region, is done (A) On the outer side (B) On the inner side (C) On the outer and inner sides equally (D) Less on outer side and more on inner side

Last Answer : Answer: Option B

Load acting on bearing in its plane of rotation is called as a... A. Radial load B. Axial load C. Perpendicular load D. Thrust load

Description : Load acting on bearing in its plane of rotation is called as a... A. Radial load B. Axial load C. Perpendicular load D. Thrust load

Last Answer : A. Radial load

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

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 

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

Description : 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

Last Answer : (D) All the above

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

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

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. (A) R/10 (B) R/15 (C) R/20 (D) R/25

Description : 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.  (A) R/10  (B) R/15  (C) R/20  (D) R/25 

Last Answer : (C) R/20 

In chain surveying tie lines are primarily provided (A) To check the accuracy of the survey (B) To take offsets for detail survey(C) To avoid long offsets from chain lines (D) To increase the number of chain lines

Description : In chain surveying tie lines are primarily provided  (A) To check the accuracy of the survey  (B) To take offsets for detail survey  (C) To avoid long offsets from chain lines  (D) To increase the number of chain lines 

Last Answer : (C) To avoid long offsets from chain lines 

If the radius of a simple curve is 600 m, the maximum length of the chord for calculating offsets, is taken (A) 15 m (B) 20 m (C) 25 m (D) 30 m

Description : If the radius of a simple curve is 600 m, the maximum length of the chord for calculating offsets, is  taken  (A) 15 m  (B) 20 m  (C) 25 m  (D) 30 m

Last Answer : (D) 30 m

For taking offsets with an optical square on the right hand side of the chain line, it is held (A) By right hand upside down (B) By left hand upright (C) By right hand upright (D) By left hand upside down

Description : For taking offsets with an optical square on the right hand side of the chain line, it is held (A) By right hand upside down (B) By left hand upright (C) By right hand upright (D) By left hand upside down

Last Answer : (B) By left hand upright

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 (A) 14.14 m (B) 28.28 m (C) 200 m (D) None of these

Description : 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 ... should be limited to (A) 14.14 m (B) 28.28 m (C) 200 m (D) None of these

Last Answer : (B) 28.28 m

Short offsets are measured with (A) An ordinary chain(B) An invar tape (C) A metallic tape (D) A steel tape

Description : Short offsets are measured with (A) An ordinary chain (B) An invar tape (C) A metallic tape (D) A steel tape

Last Answer : (A) An ordinary chain

If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping (A) It is possible to set offsets correctly on east side (B) It is possible to set offsets correctly on east side (C) It is not possible to set offsets correctly on west side (D) It is possible to set offsets correctly on both sides

Description : If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping (A) It is possible to set offsets correctly on east side (B) It is possible to ... possible to set offsets correctly on west side (D) It is possible to set offsets correctly on both sides

Last Answer : (D) It is possible to set offsets correctly on both sides

In a precision traverse, included angles are measured by setting the vernier (A) To read zero exactly on back station (B) To read 5° exactly on back station (C) Somewhere near zero and reading both verniers on back station (D) All the above

Description : In a precision traverse, included angles are measured by setting the vernier  (A) To read zero exactly on back station  (B) To read 5° exactly on back station  (C) Somewhere near zero and reading both verniers on back station  (D) All the above

Last Answer : (C) Somewhere near zero and reading both verniers on back station 

A drainage pattern where a river is joined by its tributaries approximately at right angles is (1) Dendritic (2) Trellis (3) Rectangular (4) Radial

Description : A drainage pattern where a river is joined by its tributaries approximately at right angles is (1) Dendritic (2) Trellis (3) Rectangular (4) Radial

Last Answer : (2) Trellis Explanation: When a river is joined by its tributaries at almost right angles, it develops a trellis pattern. Trellis pattern develops where hard and soft rocks exist parallel to each other.

A drainage pattern where a river is joined by its tributaries approximately at right angles is ____________ (1) Dendritic (2) Trellis (3) Rectangular(4) Radial

Description : A drainage pattern where a river is joined by its tributaries approximately at right angles is ____________ (1) Dendritic (2) Trellis (3) Rectangular(4) Radial

Last Answer : Trellis

An aircraft is tracking inbound to a VOR beacon on the 105 radial. The setting the pilot should put on the OBS and the CDI indications are: a. 285, TO b. 105, TO c. 285, FROM d. 105, FROM

Description : An aircraft is tracking inbound to a VOR beacon on the 105 radial. The setting the pilot should put on the OBS and the CDI indications are: a. 285, TO b. 105, TO c. 285, FROM d. 105, FROM

Last Answer : a. 285, TO

Polar moment of inertia is a.Applicable to masses whereas moment of inertia is applicable to area only b.The moment of inertia for an area ralative to a line or axis which is out the plane of area c.Same as moment of inertia d.The moment of inertia for an area relative to a line or axis parallel to the centroidal axis e.The moment of inertia for an area relative to a line or axis perpendicular to the plane of the area

Description : Polar moment of inertia is a.Applicable to masses whereas moment of inertia is applicable to area only b.The moment of inertia for an area ralative to a line or axis which is out the plane of area ... The moment of inertia for an area relative to a line or axis perpendicular to the plane of the area

Last Answer : e. The moment of inertia for an area relative to a line or axis perpendicular to the plane of the area