38 Civil Engineer Mock Test of 25 Past Question #10 Sub-Engineer Collection of 25 Past Question from Loksewa Aayog Mock Test. 1 / 25 1. Snowcrete is one of the patent forms of A. distempers B. water proof cement paints C. enamel paints D. cellulose paints 2 / 25 2. Commonly used thinner in distempers A. Olive oil B. Naptha C. Turpentine D. water 3 / 25 3. The effective span of a simply supported slab is A. clear span plus effective depth of slab B. span between outer faces of two walls C. distance between the centre of bearing D. none of the above 4 / 25 4. The best primer used for structural steel work is A. Zinc oxide B. Red lead C. White lead D. Iron oxide 5 / 25 5. If slenderness ratio for a column is 100 then the column is said to be A. long B. short C. medium D. none of the above 6 / 25 6. Rankine’s earth pressure theory assumes that back of the wall is A. plane and smooth B. vertical and smooth C. plane and rough D. vertical and rough 7 / 25 7. All burnt bricks are soaked in water for at least ………….. before use with cement mortar. A. 4 hour B. 3 hour C. 2 hour D. 1 hour 8 / 25 8. The length of septic tank is determined by A. self cleaning velocity B. width of tank C. depth of tank D. all of the above 9 / 25 9. When a canal is carried over a natural drainage, the structure provided, is known as A. syphon B. aqueduct C. super passage D. syphon-aqueduct 10 / 25 10. A diversion head work, is constructed to… A. raise water level at the head of the canal B. regulate the intake of water into the canal C. reduce fluctuations in the supply level of the river D. all of the above 11 / 25 11. Camber is provided in roads for A. effective drainage B. counteracting centrifugal force C. for braking efficiency D. none of the above 12 / 25 12. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as…………….. A. direct vernier B. double vernier C. rectrograde vernier D. simple vernier 13 / 25 13. Minimum crushing strength of first class brick is A. 10.5 kg/cm² B. 105 kg/cm² C. 7 kg/cm² D. 70 kg/cm² 14 / 25 14. The cement widely used in construction of retaining wall is A. High alumina cement B. Rapid hardening cement C. Ordinary Portland cement D. Rapid softening cement 15 / 25 15. Initial setting time of OPC (Ordinary Portland Cement) is ……. minutes. A. 5 B. 10 C. 15 D. 30 16 / 25 16. For soundness test of cement, we use: A. vicat apparatus B. le chatlier apparatus C. both A and B D. none of above 17 / 25 17. Accelerators are used in concrete for______ A. Earlier removal of the form work B. Reduction of required period of curing C. Earlier replacement of structure in service D. All of the above 18 / 25 18. The ratio of volume of water to the area of the land irrigated is known as A. base period B. delta C. duty D. none of the above 19 / 25 19. Pick up one of following does not fall under general specification of public works? A. Mode of measurement for payment B. Illustrative sketches C. Material details D. Work methodology 20 / 25 20. The bench mark of a station A is 500 m and back sight reading at the point A is 2 m and fore sight reading of station B is 3 m. Find RL of station B. A. 502m B. 503m C. 499m D. 505m 21 / 25 21. The contour line can cross one another on map only in the case Of A. a ridge B. a valley C. an overhanging cliff D. a saddle 22 / 25 22. What is chief ingredient of cement? A. Lime (Calcium Oxide) B. Silica C. Alumina D. Iron oxide 23 / 25 23. For the manufacture of Portland cement, the proportions of raw materials used, are A. lime 63% ; silica 22% ; other ingredients 15% B. lime 22% ; silica 63% ; other ingredients 15% C. silica 40% ; lime 40% ; other ingredients 20% D. silica 70% ; lime 20% ; other ingredients 10% 24 / 25 24. Good stone contains soluble salt not more than A. 5% B. 10% C. 15 % D. 0 % 25 / 25 25. Pick up the monomineralic rock from the following A. Quartz B. Magnesite C. Pure gypsum D. Granite Your score is The average score is 58% 0% Restart quiz Exit loksewamcq civilmock testsub engineer
