Pantograph is used for (A) Measuring distances (B) Measuring areas (C) Enlarging or reducing plans

Pantograph is used for 

(A) Measuring distances 

(B) Measuring areas 

(C) Enlarging or reducing plans 

by

1 Answer

Answer :

(C) Enlarging or reducing plans 

by

Related questions

Instrument used for measuring area on maps is called – (1) Planimeter (2) Eidograph (3) Pantograph (4) Opisometer

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Last Answer : (1) Planimeter Explanation: The planimeter is a drafting instrument used to measure the area of a graphically represented planar region. The region being measured may have any irregular shape, ... the planimeter is heading toward obsolescence, but not just yet. They are still being manufactured.

Instrument used for measuring area on maps is called (1) Planimeter (2) Eidograph (3) Pantograph(4) Opisometer

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Pantograph is

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In an artesian aquifer, the draw downs in two observation wells at distances 100 m, and 200 m were found same after one hour and x hours respectively. The value of x, is (A) 2 hours (B) 4 hours (C) 9 hours (D) 16 hours

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For the same draw down in two observations wells at distances r1 and r2, the times after start of pumping are t1 and t2 hours respectively. The relation which holds good is (A) t2 = r2/r1 × t1 (B) t2 = (r2/r1)² × t1 (C) t2 = (r2/r1)3 × t1 (D) t2 = (r2/r1) × t1 2

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For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D'. Distances AD, DD' and AD' when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is (A) 30° (B) 45° (C) 60° (D) 90

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For locating a distant object visible from two transit stations, the method usually preferred to, is (A) Angles and distances from transit stations (B) Angles from two transit stations (C) Distance from two transit stations (D) Angle from one transit station and distance from the other

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The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is (A) 5 mm (B) 10 mm (C) 15 mm (D) 20 mm

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Horizontal distances obtained tacheometerically are corrected for (A) Slope correction (B) Temperature correction (C) Refraction and curvature correction (D) All the above

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One of the Lehmann's rules of plane tabling, is (A) Location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances (B) When looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray (C) When the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays (D) None of these

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Last Answer : (A) Location of the instrument station is always distant from each of the three rays from the  known points in proportion to their distances 

The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in (A) Chain surveying (B) Traverse method of surveys (C) Triangulation (D) None of these

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The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called (A) Brightness of telescope (B) Magnification of telescope (C) Resolving power of telescope (D) None of these

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If f1 and f2 are the distances from the optical centre of a convex lens of focal length to conjugate two points P1 and P2 respectively, the following relationship holds good (A) f = f1 + f2 (B) f = ½ (f1 + f2) (C) 1/f = 1/f1 + 1/f2 (D) None of these

Description : If f1 and f2 are the distances from the optical centre of a convex lens of focal length to conjugate two points P1 and P2 respectively, the following relationship holds good (A) f = f1 + f2 (B) f = ½ (f1 + f2) (C) 1/f = 1/f1 + 1/f2 (D) None of these

Last Answer : (C) 1/f = 1/f1 + 1/f2

Horizontal distances obtained by thermometric observations (A) Require slope correction (B) Require tension correction (C) Require slope and tension corrections (D) Do not require slope and tension corrections

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The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as (A) Plane alidade (B) Telescopic alidade (C) Clinometer (D) Tacheometer

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The lens equation 1/f = 1/ + 1/ is applicable (A) When the thickness of the lens is small (B) Only to conjugate distances along the principal axis (C) The computed quantities are accurate enough for geometrical optics of simple distances (D) All the above

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Last Answer : (D) All the above

A simply supported beam carries two equal concentrated loads W at distances L/3 from either support. The maximum bending moment (A) WL/3 (B) WL/4 (C) 5WL/4 (D) 3WL/12

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A and B are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct? (A) Height displacement of A will be less than that of B (B) Height displacement of B will be less than that of A (C) Height displacement of A and B is equal (D) Height displacement of A and B will be towards each other

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Last Answer : Answer: Option A

DGPS is based on the concept that bias errors in the position of locations in a given local area, are same if their distances are within (A) 25 km (B) 50 km (C) 75 km (D) 100 km

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Last Answer : Answer: Option D

To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is (A) 0.107 L (B) 0.207 L (C) 0.307 L (D) 0.407 L

Description : To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is (A) 0.107 L (B) 0.207 L (C) 0.307 L (D) 0.407 L

Last Answer : Answer: Option B

The coefficients of permeability of soils of an unconfined aquifer and another confined aquifer were determined by pumping water from the wells and observing the effect of water table in two test wells at equal distances was found to be equal. The total height of confined aquifer H is given by (A) H = h2 - h1 (B) H = h1 - h2 (C) H = h2 + h1 (D) ½ (h1 + h2)

Description : The coefficients of permeability of soils of an unconfined aquifer and another confined aquifer were determined by pumping water from the wells and observing the effect of water table in two test wells at equal distances was found to be equal. ... (B) H = h1 - h2 (C) H = h2 + h1 (D) ½ (h1 + h2)

Last Answer : Answer: Option D

Transverse joints are provided at distances varying from (A) 10 m to 15 m (B) 12 m to 18 m (C) 16 m to 24 m (D) 17 m to 27 m

Description : Transverse joints are provided at distances varying from (A) 10 m to 15 m (B) 12 m to 18 m (C) 16 m to 24 m (D) 17 m to 27 m

Last Answer : Answer: Option D

While calculating the sight distances, the driver's eye above road surface, is assumed (A) 90 cm (B) 100 cm (C) 110 cm (D) 120 cm

Description : While calculating the sight distances, the driver's eye above road surface, is assumed (A) 90 cm (B) 100 cm (C) 110 cm (D) 120 cm

Last Answer : Answer: Option D

The horizontal angles from the boat between A and B and B and C, the stations on the shore are 1 2. The distances AB = L1 and BC = L2 2 at C between the boat and station B between A and C at B). (A) 1 2) = (L2 1/L1 2) = K (B) t 2 = 360° - 1 2 (C) 2 = sin /(K + ) (D) All the above

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Last Answer : (D) All the above

What is correct about the powers of Zila Panchayats of Scheduled Areas? (1) To plan minor water bodies (2) To control over institutions in all social sectors (3) To control on tribal sub-plans (4) All of the above

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Last Answer : (4) All of the above Explanation: The powers of Zila panchayats of scheduled Areas are— (i)To plan minor water bodies To control over institutions in all social sectors To control on tribal subplans To exercise other functions as conferred by state govt.

In a reservoir the average volume of sediment deposition is 0.15 million cubic per year. If the dead storage and total capacity of the reservoir are 8 million cubic metres and 36 million cubic metres respectively, (A) The reservoir will theoretically be silted in 240 years (B) The reservoir will start reducing after 60 years (C) Both (a) and (b) (D) Neither (a) nor (b)

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Last Answer : (C) Both (a) and (b)

Corrosion of well pipes may not be reduced by (A) Reducing the draw down and the pumping rate (B) Reducing the flow velocity (C) Using thicker pipes (D) Using screens having larger area of openings

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Last Answer : (D) Using screens having larger area of openings 

D' Alembert's principle is used for (A) Reducing the problem of kinetics to equivalent statics problem (B) Determining stresses in the truss (C) Stability of floating bodies (D) Designing safe structures

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Last Answer : (A) Reducing the problem of kinetics to equivalent statics problem