In horizontal angles, the error due to imperfect levelling of the plate bubble is (A) Large when sights are nearly level (B) Large for long sights (C) Less for steeply inclined sights (D) Large for steeply inclined sights

In horizontal angles, the error due to imperfect levelling of the plate bubble is
(A) Large when sights are nearly level
(B) Large for long sights
(C) Less for steeply inclined sights
(D) Large for steeply inclined sights
by

1 Answer

Answer :

(D) Large for steeply inclined sights
by

Related questions

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

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

In reciprocal levelling, the error which is not completely eliminated, is due to (A) Earth's curvature (B) Non-adjustment of line of collimation (C) Refraction (D) Non-adjustment of the bubble tube

Description : In reciprocal levelling, the error which is not completely eliminated, is due to  (A) Earth's curvature  (B) Non-adjustment of line of collimation  (C) Refraction  (D) Non-adjustment of the bubble tube 

Last Answer : (C) Refraction 

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

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

Which of the following in theodolite work is imperfect adjustment of the instrument (a) Error due to line of collimation being perpendicular to the horizontal axis (b) Error due to axis not to perpendicular of the vertical axis (c) Error due to imperfect graduation (d) Error due to eccentricity of vernires (e) All of the above*

Description : Which of the following in theodolite work is imperfect adjustment of the instrument (a) Error due to line of collimation being perpendicular to the horizontal axis (b) Error due to axis not to perpendicular ... to imperfect graduation (d) Error due to eccentricity of vernires (e) All of the above*

Last Answer : (e) All of the above*

In tangential tacheometry, an ordinary level staff is used (A) Leaning towards the instrument for inclined sights upward (B) Leaning away from the instrument for inclined sights downwards (C) Vertical in all cases (D) None of these

Description : In tangential tacheometry, an ordinary level staff is used (A) Leaning towards the instrument for inclined sights upward (B) Leaning away from the instrument for inclined sights downwards (C) Vertical in all cases (D) None of these

Last Answer : (C) Vertical in all cases

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

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

The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to (A) Shimmering (B) Horizontal refraction (C) Vertical refraction (D) Both shimmering and horizontal refraction

Description : The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to (A) Shimmering (B) Horizontal refraction (C) Vertical refraction (D) Both shimmering and horizontal refraction

Last Answer : (D) Both shimmering and horizontal refraction

Seed damage due to cut-off not a problem in (a) Horizontal plate metering mechanism (b) Vertical plate metering mechanism (c) Both (a) and (b) (d) Inclined plate metering mechanism

Description : Seed damage due to cut-off not a problem in (a) Horizontal plate metering mechanism (b) Vertical plate metering mechanism (c) Both (a) and (b) (d) Inclined plate metering mechanism

Last Answer : (d) Inclined plate metering mechanism

Which of the following statements is incorrect? (A) Error due to refraction may not be completely eliminated by reciprocal levelling (B) Tilting levels are commonly used for precision work (C) The last reading of levelling is always a foresight (D) All of the above statements are incorrect

Description : Which of the following statements is incorrect? (A) Error due to refraction may not be completely eliminated by reciprocal levelling (B) Tilting levels are commonly used for precision work (C) The last reading of levelling is always a foresight (D) All of the above statements are incorrect

Last Answer : (D) All of the above statements are incorrect

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

A metering mechanism that does not required cut-off device is: A. Inclined plate B. Vertical plate C. Horizontal plate D. All are correct

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Last Answer :  All are correct

When the bubble of the level tube of a level, remains central (A) Line of sight is horizontal (B) Axis of the telescope is horizontal (C) Line of collimation is horizontal (D) Geometrical axis of the telescope is horizontal

Description : When the bubble of the level tube of a level, remains central (A) Line of sight is horizontal (B) Axis of the telescope is horizontal (C) Line of collimation is horizontal (D) Geometrical axis of the telescope is horizontal

Last Answer : (A) Line of sight is horizontal

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

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

A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is (A) 0.015 m (B) 0.030 m (C) 0.045 m (D) 0.060 m

Description : A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m ... collimation error per 100 m is (A) 0.015 m (B) 0.030 m (C) 0.045 m (D) 0.060 m

Last Answer : (D) 0.060 m

A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at and were 1.22 and 1.06. With the level set up at , the readings at and were 1.55 and 1.37. The collimation error per 100 m length of sight is (A) 0.02 m inclined upwards (B) 0.04 m inclined downwards (C) 0.04 m inclined upward (D) None of these

Description : A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff  readings at and were 1.22 and 1.06. With the level set up at , the readings at  and were 1.55 and ... upwards  (B) 0.04 m inclined downwards  (C) 0.04 m inclined upward  (D) None of these

Last Answer : (B) 0.04 m inclined downwards 

The bubble tube is nearly filled with (A) Alcohol or chloroform (B) A liquid which is very mobile (C) A liquid having low freezing point (D) All the above

Description : The bubble tube is nearly filled with (A) Alcohol or chloroform (B) A liquid which is very mobile (C) A liquid having low freezing point (D) All the above

Last Answer : (D) All the above

Probable accidental error in precise levelling as recommended by International Geodetic Association should not exceed (where k is in kilometers.) (A) ± 0.1 k mm (B) ± 0.5 k mm (C) ± 1 k mm (D) ± 5 k mm

Description : Probable accidental error in precise levelling as recommended by International Geodetic Association should not exceed (where k is in kilometers.) (A) ± 0.1 k mm (B) ± 0.5 k mm (C) ± 1 k mm (D) ± 5 k mm

Last Answer : (C) ± 1 k mm

Probable systematic error in precise levelling as recommended by International Geodetic Association should not exceed (where is in kilometers.) (A) ± 0.1 k mm (B) ± 0.2 k mm (C) ± 0.1 k (D) 0.2 k mm

Description : Probable systematic error in precise levelling as recommended by International Geodetic Association should not exceed (where is in kilometers.) (A) ± 0.1 k mm (B) ± 0.2 k mm (C) ± 0.1 k (D) 0.2 k mm

Last Answer : (D) 0.2 k mm

The atmospheric pressure with rise in altitude decreases (A) Linearly (B) First slowly and then steeply (C) First steeply and then gradually (D) Unpredictable

Description : The atmospheric pressure with rise in altitude decreases (A) Linearly (B) First slowly and then steeply (C) First steeply and then gradually (D) Unpredictable

Last Answer : Answer: Option B

Dumpy level is most suitable when (A) The instrument is to be shifted frequently (B) Fly levelling is being done over long distance (C) Many readings are to be taken from a single setting of the instrument (D) All of the above

Description : Dumpy level is most suitable when (A) The instrument is to be shifted frequently (B) Fly levelling is being done over long distance (C) Many readings are to be taken from a single setting of the instrument (D) All of the above

Last Answer : (C) Many readings are to be taken from a single setting of the instrument

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

For the manufacture of plywood, veneers are placed so that grains of adjacent veneers (A) Run at right angles (B) Parallel (C) Inclined at 45° (D) Inclined at 60°

Description : For the manufacture of plywood, veneers are placed so that grains of adjacent veneers (A) Run at right angles (B) Parallel (C) Inclined at 45° (D) Inclined at 60°

Last Answer : Answer: Option A

The total change in level along the line is equal to total back sights (A) Minus total fore sights (B) The total rises minus total falls (C) The reduced level of last point minus reduced level of the first point (D) All the above

Description : The total change in level along the line is equal to total back sights  (A) Minus total fore sights  (B) The total rises minus total falls  (C) The reduced level of last point minus reduced level of the first point  (D) All the above 

Last Answer : (D) All the above 

While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates (A) The rotation axis is vertical (B) The trunnion axis is horizontal (C) The line of collimation is perpendicular to vertical axis (D) None of the above

Description : While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the  same position in its tube, it indicates  (A) The rotation axis is vertical  (B) The trunnion ... (C) The line of collimation is perpendicular to vertical axis  (D) None of the above

Last Answer : (A) The rotation axis is vertical

The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in (A) Vertic(B) Horizontal direction (C) Inclined direction (D) The direction in which the deflection is required al direction

Description : The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in (A) Vertical direction (B) Horizontal direction (C) Inclined direction (D) The direction in which the deflection is required

Last Answer : (D) The direction in which the deflection is required

The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of (A) Friction (B) Limiting friction (C) Repose (D) Kinematic friction

Description : The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of (A) Friction (B) Limiting friction (C) Repose (D) Kinematic friction

Last Answer : (C) Repose

In non-cohesive soil in passive state of plastic equilibrium (A) Major principal stress is horizontal (B) Minor principal stress is vertical (C) Major principal stress is vertical (D) Minor and major principal stresses are equally inclined to the horizontal

Description : In non-cohesive soil in passive state of plastic equilibrium (A) Major principal stress is horizontal (B) Minor principal stress is vertical (C) Major principal stress is vertical (D) Minor and major principal stresses are equally inclined to the horizontal

Last Answer : (B) Minor principal stress is vertical

A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of (A) 7° (B) 10° (C) 12° (D) 17

Description : A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant ... inclined to the horizontal at an angle of (A) 7° (B) 10° (C) 12° (D) 17

Last Answer : (C) 12°

Terzaghi's analysis assumes: (A) Soil is homogeneous and isotropic (B) Elastic zone has straight boundaries inclined at = to the horizontal and plastic zones fully developed (C) Failure zones do not extend above the horizontal plane through the base of the footing (D) All the above

Description : Terzaghi's analysis assumes: (A) Soil is homogeneous and isotropic (B) Elastic zone has straight boundaries inclined at = to the horizontal and plastic zones fully developed (C) Failure zones do not extend above the horizontal plane through the base of the footing (D) All the above

Last Answer : Answer: Option D

A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively (A) 0.5 N/mm² and 30° (B) 0.05 N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

Description : A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of ... N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

Last Answer : Answer: Option B

In active state of plastic equilibrium in a non cohesive soil with horizontal ground surface (A) Major principal stress is horizontal (B) Minor principal stress is vertical (C) Major principal stress is vertical (D) Minor and major principal stresses are equally inclined to horizontal

Description : In active state of plastic equilibrium in a non cohesive soil with horizontal ground surface (A) Major principal stress is horizontal (B) Minor principal stress is vertical (C) Major principal stress is vertical (D) Minor and major principal stresses are equally inclined to horizontal

Last Answer : Answer: Option C

Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above

Description : Rankine's theory of active earth pressure assumes (A) Soil mass is homogeneous, dry and cohesionless (B) Ground surface is a plane which may be horizontal or inclined (C) Back of the wall is vertical and smooth (D) All the above

Last Answer : Answer: Option D

A plane inclined at an angle to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as (A) Natural slope line (B) Repose line (C) The line (D) All the above

Description : A plane inclined at an angle to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as (A) Natural slope line (B) Repose line (C) The line (D) All the above

Last Answer : Answer: Option D

An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at (A) 25° (B) 35° (C) 45° (D) 55°

Description : An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at (A) 25° (B) 35° (C) 45° (D) 55°

Last Answer : Answer: Option C

The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes (A) With the horizontal (B) With the vertical (C) With the perpendicular to the inclined plane of the soil (D) None of these

Description : The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes (A) With the horizontal (B) With the vertical (C) With the perpendicular to the inclined plane of the soil (D) None of these

Last Answer : Answer: Option A

In order to measure the flow with a Venturimeter, it is installed in (A) Horizontal line (B) Inclined line with flow upwards (C) Inclined line with flow downwards (D) Any direction and in any location

Description : In order to measure the flow with a Venturimeter, it is installed in (A) Horizontal line (B) Inclined line with flow upwards (C) Inclined line with flow downwards (D) Any direction and in any location

Last Answer : Answer: Option D

For measuring flow by a Venturimeter, if should be installed in (A) Vertical line (B) Horizontal line (C) Inclined line with flow downward (D) In any direction and in any location

Description : For measuring flow by a Venturimeter, if should be installed in (A) Vertical line (B) Horizontal line (C) Inclined line with flow downward (D) In any direction and in any location

Last Answer : Answer: Option D

An open vessel of water is accelerated up an inclined plane. The free water surface will (A) Be horizontal (B) Make an angle in direction of inclination of inclined plane (C) Make an angle in opposite direction to inclination of inclined plane (D) Any one of above is possible

Description : An open vessel of water is accelerated up an inclined plane. The free water surface will (A) Be horizontal (B) Make an angle in direction of inclination of inclined plane (C) Make an angle in opposite direction to inclination of inclined plane (D) Any one of above is possible

Last Answer : Answer: Option C

The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if (A) The area is horizontal (B) The area is vertical (C) The area is inclined (D) All of the above

Description : The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the Centroid, if (A) The area is horizontal (B) The area is vertical (C) The area is inclined (D) All of the above

Last Answer : Answer: Option D

On a grading curve, the gap grading is represented by (A) A horizontal line (B) A vertical line (C) N.W. inclined line (D) N.E. inclined line

Description : On a grading curve, the gap grading is represented by (A) A horizontal line (B) A vertical line (C) N.W. inclined line (D) N.E. inclined line

Last Answer : Answer: Option A

The work done in sliding a block of weight of 50 kg up a plane inclined at an angle of 30? to the horizontal so that the block is lifted through 1 m ( a.More than 50 kgm b.50 kgm c.Less than 5 kgm d.15 kgm only e.None of the above

Description : The work done in sliding a block of weight of 50 kg up a plane inclined at an angle of 30? to the horizontal so that the block is lifted through 1 m ( a.More than 50 kgm b.50 kgm c.Less than 5 kgm d.15 kgm only e.None of the above

Last Answer : a. More than 50 kgm

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 (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Description : 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 (A) Correctly focussed (B) Not correctly focussed (C) Said to have parallax (D) Free from parallax

Last Answer : (C) Said to have parallax

During levelling if back sight is more than foresight (A) The forward staff is at lower point (B) The back staff is at lower point (C) The difference in level, cannot be ascertained (D) None of these

Description : During levelling if back sight is more than foresight (A) The forward staff is at lower point (B) The back staff is at lower point (C) The difference in level, cannot be ascertained (D) None of these

Last Answer : (B) The back staff is at lower point

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 the instrument in any position (C) The first sight on each change point is a fore sight (D) All the above

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

Though ethacrynic acid is also a high ceiling diuretic, it is practically not used because: A. It is more ototoxic B. It causes diarrhoea and gut bleeding C. Its response increases steeply over a narrow dose range D. All of the above

Description : Though ethacrynic acid is also a high ceiling diuretic, it is practically not used because: A. It is more ototoxic B. It causes diarrhoea and gut bleeding C. Its response increases steeply over a narrow dose range D. All of the above

Last Answer : D. All of the above

In levelling operation (A) If second reading is more than first, it represents a rise (B) If first reading is more than second, it represents a rise (C) If first reading is less than second, it represents a fall (D) Both (b) and (c)

Description : In levelling operation (A) If second reading is more than first, it represents a rise (B) If first reading is more than second, it represents a rise (C) If first reading is less than second, it represents a fall (D) Both (b) and (c)

Last Answer : (D) Both (b) and (c)