79 Survey Chapter Wise McQ Test of 25 Question #7 Survey Chapter Wise McQ Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. In telescope the diaphragm is held A. Inside the eyepiece B. Inside the object C. Near to the eyepiece/ in front of the eyepiece D. Near to the object piece 2 / 25 2. When the image is formed by the objective is not situated in the plane of the cross hairs A. The cross hair should be adjusted B. The eyepiece should be adjusted C. The object should be focused D. The parallax should be removed 3 / 25 3. When bubble of the telescope is centered A. Line of sight is horizontal B. Line of sight is vertical C. Line of sight is inclined D. None of the above 4 / 25 4. In internal focusing telescope focusing is done by the movement of A. Convex lens B. Concave lens C. Plano convex D. Objective lens 5 / 25 5. Level tube which is used to make the line of sight horizontal is filled with A. Ether B. Chloroform C. Alcohol D. All of the above 6 / 25 6. Trigonometric levelling is also called: A. Indirect levelling B. Differential levelling C. Fly levelling D. Profile levelling 7 / 25 7. In which levelling is used, the first and last point are at a far distance. A. Fly B. Differential C. Profile D. Reciprocal 8 / 25 8. The type of level generally used in hilly area A. Abney level B. Dumpy level C. Hand level D. None of the above 9 / 25 9. The intercept of a staff……….. A. Increases if the staff is tilted towards normal. B. Decreases if the staff is tilted away from normal C. Is minimum if the staff is held truly normal to the line of sight. D. Is maximum if the staff is held truly normal to the line of sight 10 / 25 10. The number of horizontal cross wires in a stadia diaphragm is A. one B. two C. three D. four 11 / 25 11. Which of the following is not an instrumental error? A. error due to imperfect adjustment B. error due to sluggish bubble C. error due to movement of objective slide D. settlement of tripod or turning points 12 / 25 12. Which of the following is a natural error? A. error due to defective joint B. rod not of standard length C. variations in temperature D. error due to sluggish bubble 13 / 25 13. Which of the following is a personal error? A. mistakes in manipulation B. atmospheric refraction C. settlement of tripod or turning points D. wind vibrations 14 / 25 14. Which of the following is not a personal error? A. mistake in rod handling B. errors in sighting C. mistake in reading the rod D. error due to defective joint 15 / 25 15. Which of the following is an instrumental error? A. earth’s curvature B. mistake in rod handling C. mistakes in recording D. error due to sluggish bubble 16 / 25 16. Which of the following is not a principle source of error in levelling? A. instrumental error B. natural error C. personal error D. Systematic error 17 / 25 17. When distances are small which of the following error is negligible? A. error due to defective joint B. atmospheric refraction C. wind vibrations D. earth’s curvature 18 / 25 18. Horizontal line departs from a level surface because of A. Refraction B. Radius of earth C. Parallelism D. Curvature of earth 19 / 25 19. In the long sights, the horizontal line of sight doesn’t remain straight but it slightly bends downwards having concavity towards earth due to A. Refraction B. Radius of earth C. Curvature of earth D. Parallelism 20 / 25 20. In a hilly terrain, staff reading is more at: A. Lower point B. Higher point C. First point D. Last point 21 / 25 21. Which of the following type of levelling is necessary across a river ravine or any obstacle requiring a long site between two points? A. Barometric levelling B. Trigonometric levelling C. Reciprocal levelling D. Spirit levelling 22 / 25 22. Which of the following type of levelling is used when two points so situated that no place for the level can be found from which the lens of foresight and backlight will be even approximately equal? A. Barometric levelling B. Trigonometric levelling C. Reciprocal levelling D. Spirit levelling 23 / 25 23. Which of the following error cannot be eliminated in reciprocal levelling? A. error in instrument adjustment B. combined effect of earth’s curvature and refraction of atmosphere C. variations in average refraction D. variation in temperature 24 / 25 24. Reciprocal levelling is used when, A. Flat terrain B. Obstacles are there C. BM not visible D. Highway construction 25 / 25 25. The following readings were taken on uniform sloping ground, 0.5, 1.0, 1.5, 2.1, 2.7, 3.0. Hence, the difference in level between the first and last station is A. 1.5 fall B. 2.5 Rise C. 2.5 Fall D. 1.5 Rise Your score is The average score is 54% 0% Restart quiz Exit civil engineerloksewamcqmock testpscsub engineersurveyupsc
