Diaphragm of a surveying telescope is held inside
(A) Eye-piece
(B) Objective
(C) Telescope tube at its mid point
(D) Telescope at the end nearer the eye-piece
Description : Cross hairs in surveying telescopes, are fitted (A) In the objective glass (B) At the centre of the telescope (C) At the optical centre of the eye piece (D) In front of the eye piece
Last Answer : (D) In front of the eye piece
Description : In an internal focusing telescope (A) The objective is at a fixed distance from the diaphragm (B) The focusing is done by the sliding of a divergent lens (C) The focusing divergent lens is situated at about the middle of the tube (D) All the above
Last Answer : (D) All the above
Description : The real image of an object formed by the objective must lie (A) In the plane of cross hairs (B) At the centre of the telescope (C) At the optical centre of the eye-piece (D) Anywhere inside the telescope
Last Answer : (A) In the plane of cross hairs
Description : Pick up the correct statement from the following: (A) The diaphragm is placed between eyepiece and the objective but nearer to the former (B) The diaphragm is placed between the eyepiece and objective ... outer component of the objective is a double-convex lens of crown glass (D) All the above
Description : Pick up the correct statement from the following: (A) A refracting telescope consists optically of two lenses (B) The principal axes of both the lenses coincide the optical axis of the telescope (C) The lens nearer the object to be viewed is convex and is called objective (D) All the above
Description : An internal focussing type surveying telescope, may be focussed by the movement of (A) Objective glass of the telescope (B) Convex-lens in the telescope (C) Concave lens in the telescope (D) Plano-convex lens in the telescope
Last Answer : (C) Concave lens in the telescope
Description : Pick up the correct statement from the following: (A) In astronomical telescope, the rays from the object after refraction at the objective are brought to a focus before entering the eyepiece to produce ... the objective traversing through the eyepiece, is called line of sight (D) All the above
Description : The theodolites used for making tacheometric observations by optical wedge system, are (A) Provided with stadia hairs in front of eye piece (B) Not provided with stadia hairs at all (C) Fitted with a glass wedge inside the telescope (D) Fitted with a glass wedge in front of telescope
Last Answer : (D) Fitted with a glass wedge in front of telescope
Description : Magnification of compound microscope is not connected with (a) numerical aperture (b) focal length of objective (c) focal length of eye piece (d) tube length.
Last Answer : (a) numerical aperture
Description : The Huygens telescope eye piece (A) Is aplanatic (B) Achromatic (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : (C) Both (a) and (b)
Description : In a telescope the object glass of focal length 14 cm, is located at 20 cm from the diaphragm. The focussing lens is midway between them when a staff 16.50 m away is focussed. The focal length of the focussing lens, is (A) 5.24 cm (B) 6.24 cm (C) 7.24 cm (D) 8.24 cm
Last Answer : (C) 7.24 cm
Description : The staff intercept will be (A) Greater farther off the staff is held (B) Smaller, farther off the staff is held (C) Smaller, nearer the staff is held (D) Same, wherever the staff is held
Last Answer : (B) Smaller, farther off the staff is held
Description : Removal of parallax, may be achieved by focussing (A) The objective (B) The eye-piece (C) The objective and the eye-piece (D) None of these
Last Answer : (C) The objective and the eye-piece
Description : A shaft 9 m long is subjected to a torque 30 t-m at a point 3 m distant from either end. The reactive torque at the nearer end will be (A) 5 tonnes metre (B) 10 tonnes metre (C) 15 tonnes metre (D) 20 tonnes metre
Last Answer : (D) 20 tonnes metre
Description : Pick up the correct specification of Ramsden eyepiece from the following: (A) It consists of two equal piano convex lenses (B) The curved surfaces of Plano-convex lenses face each other (C) ... from a point on the diaphragm enter the eye as a parallel beam (D) All the above
Description : The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at (A) Every point of the bubble (B) Either end of the bubble (C) The mid-point of the bubble (D) No where
Last Answer : (C) The mid-point of the bubble
Description : Pick up the correct statement from the following: (A) The eyepiece plays no part in defining the line of sight (B) The diaphragm plays no part in defining the line of sight (C) The optical centre of the objective plays no part in defining the line of sight (D) None of these
Last Answer : (A) The eyepiece plays no part in defining the line of sight
Description : Consider the following pre-conditions for correct use of a theodolite: 1. The vertical axis need not be perpendicular to the plane of the plate level bubble. 2. The line of sight must be perpendicular to the horizontal axis. 3. The axis of ... ? (a) 1, 2, 3 & 4 (b) 2 only (c) 3 only (d) 1 & 4 only
Last Answer : (b) 2 only
Description : The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and / or characteristic. (a) C - ... air. (d) B - Pleural membrane - Surround ribs on both sides to provide cushion against rubbing.
Last Answer : (a) C - Alveoli - Thin walled vascular bag like structures for exchange of gases.
Description : The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as (A) Line of sight (B) Line of collimation (C) Axis of the telescope (D) None of these
Last Answer : (B) Line of collimation
Description : Pick up the correct statement from the following: (A) In the earth's magnetic field, a magnetic needle rests in magnetic meridian (B) The angle between the true meridian and the magnetic meridian is ... gravity tends to dip down towards the nearer magnetic pole of the earth (D) All the above
Description : Pick up the incorrect statement from the following. Intake of water supply should (A) Be nearer to the treatment plant (B) Receive water from purer zone of the source (C) Be located downstream of waste water disposal point (D) Remain easily accessible during floods
Last Answer : (C) Be located downstream of waste water disposal point
Description : In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to (A) Line of sight (B) Line of collimation (C) Axis of the telescope (D) None of these
Last Answer : (A) Line of sight
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
Description : Resolving power of a telescope depends on (A) The diameter of the aperture (B) The pupil aperture of the eye (C) The diameter of the object glass (D) All the above
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
Description : 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
Last Answer : (C) Resolving power of telescope
Description : To increase the magnifying power of telescope, we should increase (a) The focal length of the objective (b) The focal length of the eyepiece (c) Aperture of the objective (d) Aperture of the eyepiece
Last Answer : Ans:(a)
Description : The magnifying power of an astronomical telescope can be decreased by – (1) decreasing the focal length of the eyepiece (2) increasing the focal length of the eyepiece (3) increasing the focal length of the objective (4) None of these
Last Answer : (2) increasing the focal length of the eyepiece Explanation: The magnifying power (M) of astronomical is given by M = (focal length of objective)/(focal length of eye piece). This ... piece should be small. Similarly, for decreased magnification, focal length of eye piece should be increased.
Description : The magnifying power of an astronomical telescope can be decreased by (1) decreasing the focal length of the eyepiece (2) increasing the focal length of the eyepiece (3) increasing the focal length of the objective (4) None of these
Last Answer : increasing the focal length of the eyepiece
Description : 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
Last Answer : (A) Chain surveying
Description : The branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known (A) Tacheometry (B) Tachemetry (C) Telemetry (D) All the above
Description : Which of the following methods of plane table surveying is used to locate the position of an inaccessible point? (A) Radiation (B) Intersection (C) Traversing (D) Resection
Last Answer : (B) Intersection
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 : Oesophagous is a thin, long tube which extends ______ passing thought the Neck, Thorax and diaphragm.
Last Answer : Oesophagous is a thin, long tube which extends ______ passing thought the Neck, Thorax and ... Anteriorly B. Dorsally C. Posteriorly D. Laterally
Description : Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort? (a) One can breathe out air totally without oxygen. (b) One can breathe out air ... ribs at all. (d) The lungs can be made fully empty by forcefully breathing out all air from them
Last Answer : (b) One can breathe out air through Eustachian tube by closing both nose and mouth
Description : Give comparison of Bourdon tube and Diaphragm.
Last Answer : Bourdon tube Diaphragm. Gear drive connects dial reading No gears inside the diaphragm pressure gauge Increased gap between gear and arm affect accuracy Shock resistant and good ... time and money Large range of pressure measurement Small range of pressure measurement
Description : If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured ... ) Kx (1 - x/l) + bw (C) Kx (1 + x/l) + bw (D) All the above
Last Answer : Answer: Option B
Description : A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves are twisted together, then the resistance is
Last Answer : A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves ... `8Omega` B. `1Omega` C. `2Omega` D. `5Omega`
Description : Diurnal variation of magnetic declination is (A) Greater at equator than nearer the poles (B) Less at equator than nearer the poles (C) Less in summer than in winter (D) Same at all latitudes and during different months
Last Answer : (B) Less at equator than nearer the poles
Description : A cross section at mid point of the middle piece of human sperm will show
Last Answer : A cross section at mid point of the middle piece of human sperm will show A. Centrioe, ... microtublues D. 9+2 arrangement of microtubules only.
Description : An object nearer to a converging lens than its focal point always has a/an ______ image. a. Inverted b. The same in size c. Virtual d. Smaller size
Last Answer : c. Virtual
Description : An object nearer to a converging lens than its focal point always has a/an ______ image. ∙ a. Inverted ∙ b. The same in size ∙ c. Virtual ∙ d. Smaller size
Description : Which one of the following statements is not correc t? (a) Parallax error is eliminated when there is no change in the staff reading when eye is moved up and down (b) The objective lens is ... (d) The eyepiece need not be adjusted after the first set up when the same surveyor is taking readings
Last Answer : (b) The objective lens is to be focused towards a white or bright background for clear visibility of cross-hairs
Description : A dumpy level is set up with its eye-piece vertically over a peg . The height from the top of peg to the centre of the eye-piece is 1.540 m and the reading on peg is 0.705 m. The level is then setup over . The height ... in level between and is (A) 2.900 m (B) 3.030 m (C) 0.770 m (D) 0.785 m
Last Answer : (C) 0.770 m
Description : In a bar of large length when held vertically and subjected to a load at its lower end, its ownweight produces additional stress. The maximum stress will be (A) At the lower cross-section (B) At the built-in upper cross-section (C) At the central cross-section (D) At every point of the bar
Last Answer : (B) At the built-in upper cross-section
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
Description : Geodetic surveying is undertaken (A) For production of accurate maps of wide areas (B) For developing the science of geodesy (C) Making use of most accurate instruments and methods of observation (D) All the above
Description : The accuracy of measurement in chain surveying, does not depend upon (A) Length of the offset (B) Scale of the plotting (C) Importance of the features (D) General layout of the chain lines
Last Answer : (D) General layout of the chain lines