The 'fix' of a plane table station with three known points, is bad if the plane table station lies
(A) In the great triangle
(B) Outside the great triangle
(C) On the circumference of the circumscribing circle
(D) None of these
Description : 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 ( ... to the most distant point as the inter-section of the other two rays (D) None of these
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
Description : The 'fix' of a plane table from three known points, is good, if (A) Middle station is nearest (B) Middle station is farthest (C) Either the right or left station is nearest (D) None of these
Last Answer : (A) Middle station is nearest
Description : Locating the position of a plane table station with reference to three known points, is known as (A) Intersection method (B) Radiation method (C) Resection method (D) Three point problem
Last Answer : (D) Three point problem
Description : If bisectors of opposite angles of a cyclic quadrilateral ABCD intersect the circle, circumscribing it at the points P and Q, prove that PQ is a diameter of the circle. -Maths 9th
Last Answer : Given, ABCD is a cyclic quadrilateral. DP and QB are the bisectors of ∠D and ∠B, respectively. To prove PQ is the diameter of a circle. Construction Join QD and QC.
Description : In a plane-table survey, the process of determining the plotted position of a station occupied by the plane-table by means of sights taken towards known points, the locations of which have already been plotted, is known as (a) Radiation (b) Resection (c) Intersection (d) Traversing
Last Answer : (b) Resection
Description : The operation of resection involves the following steps 1. Rough orientation of the plane table 2. The three lines form a triangle of error 3. Drawing lines back through the three control points 4. Select a point in the triangle of error ... 2, 3, 4, 5 (C) 1, 4, 3, 2, 5 (D) 1, 3, 2, 4, 5
Last Answer : (A) 1, 3, 2, 4, 5
Description : While working on a plane table, the correct rule is: (A) Draw continuous lines from all instrument stations (B) Draw short rays sufficient to contain the points sought (C) Intersection ... drawing second rays (D) Take maximum number of sights as possible from each station to distant objects
Last Answer : (B) Draw short rays sufficient to contain the points sought
Description : Find the ratio of the diameter of the circles inscribed in and circumscribing an equilateral triangle to its height? -Maths 9th
Last Answer : (b) 2 : 4 : 3.For an equilateral triangle of side a units,In-radius = \(rac{a}{2\sqrt3}\) units⇒ Diameter of inscribed circle = \(rac{a}{\sqrt3}\) unitsCircumradius = \(rac{a}{\sqrt3}\)⇒ Diameter of circumscrible circle = \( ... \(rac{2a}{\sqrt3}\): \(rac{\sqrt3}{2}a\) = 2a : 4a : 3a = 2 : 4 : 3.
Description : In a solution of the three-point problem in plane table surveying, the converging of error is attained through : (a) Concyclic concept (b) Bessel’s method (c) Triangle of error (d) Tracing paper method
Last Answer : (c) Triangle of error
Description : How do you work out the centre of a circle when you only know 4 points on it's circumference?
Last Answer : You only need 3 points to find the center. Here is a hint. The perpendicular bisector of any chord of a circle goes through the center. If you need more help, I will provide it.
Description : The C.G. of a plane lamina will not be at its geometrical centre in the case of a (A) Right angled triangle (B) Equilateral triangle (C) Square (D) Circle
Last Answer : (A) Right angled triangle
Description : For orientation of a plane table with three points A, B and C, Bessel's drill is (A) Align B through A and draw a ray towards C, align A through B and draw A ray towards C, finally ... the third point, which is sighted through the point of intersection of previously drawn rays in the final step.
Last Answer : (D) In the first two steps any two of the points may be used and a ray drawn towards the third point, which is sighted through the point of intersection of previously drawn rays in the final step.
Description : In setting up a plane table at any station (A) Levelling is done first (B) Centering is done first (C) Both levelling and centering are done simultaneously (D) Orientation is done first
Last Answer : (C) Both levelling and centering are done simultaneously
Description : While setting a plane table at a station it was found that the error in centering was 30 cm away from the ray of length 40 m drawn from the station. If the scale of the plan is 1 cm = 2 cm, the displacement of the end of ... true position will be (A) 0.02 cm (B) 0.15 cm (C) 0.2 cm (D) 0.1 cm
Last Answer : (B) 0.15 cm
Description : After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) Centering The correct sequence of these operations is (A) (i), (ii), (iii) (B) (i), (iii), (ii) (C) (iii), (i), (ii) (D) (ii), (iii), (i)
Last Answer : (B) (i), (iii), (ii)
Description : Orientation of a plane table by solving two point problems is only adopted when (A) Saving of time is a main factor (B) Better accuracy is a main factor (C) Given points are inaccessible (D) None of these
Last Answer : (C) Given points are inaccessible
Description : To orient a plane table at a point with two inaccessible points, the method generally adopted, is (A) Intersection (B) Resection (C) Radiation (D) Two point problem
Last Answer : (D) Two point problem
Description : Regarding plane-table survey, which of the following statements does not hold? (a) All the plotting work including contouring can be done in the field (b) It is quite suitable for small scale survey (c) Less number of control points are required (d) It can be done in all seasons
Last Answer : (d) It can be done in all seasons
Description : The plotting of inaccessible points in a plane-table survey can be done by the method of (a) Interpolation (b) Radiation (c) Intersection (d) Traversing
Last Answer : (c) Intersection
Description : The centre of gravity of a plane lamina will not be at its geometrical centre if it is a a.Square b.Equilateral triangle c.Circle d.Rectangle e.Right angled triangle
Last Answer : e. Right angled triangle
Description : In case of laminar flow of fluid through a circular pipe, the (A) Shear stress over the cross-section is proportional to the distance from the surface of the pipe (B) Surface of velocity distribution is a ... occurs at a radial distance of 0.5 r from the centre of the pipe (r = pipe radius)
Last Answer : (B) Surface of velocity distribution is a paraboloid of revolution, whose volume equals half the volume of circumscribing cylinder
Description : Find the area of an equilateral triangle inscribed in a circle circumscribed by a square made by joining the mid-points -Maths 9th
Last Answer : (d) \(rac{3\sqrt3a^2}{32}\)Let AB = a be the side of the outermost square.Then AG = AH = \(rac{a}{2}\)⇒ GH = \(\sqrt{rac{a^2}{4}+rac{a^2}{4}}\) = \(rac{a}{\sqrt2}\)∴ Diameter of circle = \(rac{a} ... rac{\sqrt3}{2}\) = \(rac{\sqrt3a^2}{32}\)∴ Area of ΔPQR = 3 (Area of ΔPOQ) = \(rac{\sqrt3a^2}{32}\)
Description : The figure shows the front view of a convex lens, which originally had only one edge. Five holes of different shapes, namely triangle, square, pentagon, hexagon and circle, were drilled through it at points P ... . What is the total number of edges in the lens after the holes were drilled?
Last Answer : 57
Description : Plot the points A (5, 5) and B (–5, 5) in cartesian plane. Join AB, OA and OB. Name the type of triangle so obtained. -Maths 9th
Last Answer : Solution :- The obtained triangle is an isosceles triangle.
Description : Smallest circle that intersects N number of points on the coordinate plane?
Last Answer : I don’t see how the upper bound is radius of 20. How does that circle have “20 intersection points?”
Description : In setting up a plane table at any station (a) Leveling is done first (b) Centering is done first (c) Both leveling and centering are done simultaneously * (d) Orientation is done first
Last Answer : c) Both leveling and centering are done simultaneously *
Description : Pick up the correct statement from the following: (A) To locate a gross error in bearing that may exist in controlled theodolite traverse, we may plot the traverse from each end. The traverse station having ... the same as that of the leg in which the gross error consists (D) All the above
Last Answer : (D) All the above
Description : The center of gravity of a triangle lies at the point of (A) Concurrence of the medians (B) Intersection of its altitudes (C) Intersection of bisector of angles (D) Intersection of diagonals
Last Answer : (A) Concurrence of the medians
Description : Circumference of circle ? -Maths 9th
Last Answer : Circumference of circle is - 2πr
Description : find the circumference of a circle 5ft radius?
Last Answer : 20
Description : The length of ——ab (the minor arc) is 40 cm. What is the circumference of circle c inside angle is 60 degrees?
Last Answer : s = 2 π r (θ/360°), C = πr^240cm = 2πr(1/6)(40*6)/2π = rr = 38.1972cmC = π*(38.1972)^2C = 4,583.66 cm
Description : What is the area of a circle whose circumference is 8π?
Last Answer : Using 3.14 as Pi the area of circle is: 0
Last Answer : circle circumference = 2 pi r . Pi = 3.1416 .
Last Answer : of the circle Range To length Circumference Says.
Description : When the circle has a diameter of 12.5 cm. What will be its perimeter? Thank you
Last Answer : pi x average 3.14159 x 12.5 = 39.27
Description : What is the circumference of a circle with a diameter of 40 millimeters.?
Last Answer : 125.66 mm
Description : What is area of a circle if circumference equals pi divided by 2?
Last Answer : Area of a circle is: pi times radius squared
Description : What is the diameter of a circle with a circumference of 12.25?
Last Answer : Diameter of circle: 12.25/pi = 3.899 rounded to 3 decimalplaces
Description : What will happen if the diameter of the circle doubles how will the circumference change?
Last Answer : The circumference also doubles.
Description : What is the tangent line equation of the circle 2x2 plus 2y2 -8x -5y -1 equals 0 at the point 1 -1 on its circumference?
Last Answer : Circle equation: 2x^2 +2y^2 -8x -5y -1 = 0Divide all terms by 2: x^2 +y^2 -4x -2.5y -0.5 = 0Completing the squares: (x-2)^2 +(y-1.25)^2 = 6.0625Center of circle: (2, 1.25)Point of contact: (1 ... 9Tangent equation: y--1 = -4/9(x-1) => 9y = -4x -5Tangent line equation in its general form: 4x+9y+5 = 0
Description : If a circle has a circumference of 132 inch what is the diameter?
Last Answer : Diameter of circle: 132/pi = 42 inches rounded to the nearestwhole number
Description : How do you find the circumference of a circle knowing only the diameter?
Last Answer : Circumference of a circle: pi times diameter
Description : If the radius of the circle above is 30 mm. What is the circumference of the circle (Use 3.14.)?
Last Answer : 188.40 mm
Description : Can you draw a circle with circumference 33 cenemeteres?
Last Answer : Feel Free to Answer
Description : If r is the radius of a circle and d is its diameter is an equivalent formula for the circumference C 2r?
Last Answer : Circumference of a circle: 2*pi*radius or diameter*pi
Description : What is the radius of the circle if circumference is 132cm?
Last Answer : Radius of circle: 132/2pi = 21cm to the nearest integer
Description : What is the circumference of a circle with 56 cm?
Last Answer : Circumference of a circle: 2*pi*radius or pi*diameter
Description : What is the circumference of 23 inch circle?
Description : What is a situation where you would need to know the circumference of a circle?
Last Answer : The circumference of a circle would be needed as for examplewhen constructing a circular swimming pool.