148 Construction Materials McQ Chapter Wise McQ Online Test of 25 Question #21 Construction Materials McQ Chapter Wise McQ online Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. Asphalt is mixture of A. Bitumen and inert material B. Bitumen and cement C. Tar and asbestos D. Bitumen and asbestos 2 / 25 2. …………….. is a mixture containing bitumen and sand. A. Binder B. Asphalt C. Tar D. Filler 3 / 25 3. Mastic asphalt is A. acid resisting material B. non-corrosive material C. corrosive material D. Heating-resisting material. 4 / 25 4. Mastic asphalt is normally used for A. sound insulation B. fire proofing C. water proofing D. None to these 5 / 25 5. Plastic asphalt is A. used as a water proofing layer over roof B. a mixture of cement and asphalt C. a natural asphalt D. a refinery product 6 / 25 6. Tar is obtained from ………… A. wood B. petroleum C. coal D. kerosene 7 / 25 7. The viscous liquid obtained from the destructive distillation of organic material is known as A. paint B. slat C. tar D. none of these 8 / 25 8. Tar is not used now because of ……….. A. cost B. efficiency C. harmful effects D. not satisfactory 9 / 25 9. The recommended grade of tar for grouting purpose is A. RT-1 B. RT-2 C. RT-3 D. RT-5 10 / 25 10. Tar is no longer used as binder in pavements because of its …… A. durability B. viscosity C. temperature susceptibility D. colour change 11 / 25 11. Percentage of free carbon in bitumen is A. more than that in tar B. less than that in tar C. equal to that in tar D. none of above 12 / 25 12. Penetration test on bitumen is used for determining its A. Grade B. Viscosity C. Ductility D. Temperature susceptibility 13 / 25 13. The temperature in penetration test is A. 25 B. 30 C. 27 D. 35 14 / 25 14. What does an 80/100 grade bitumen indicate? A. Viscosity B. Temperature C. Penetration D. Proportion 15 / 25 15. Bitumen grade 80/100 means A. its penetration value is 8mm B. its penetration value is 10mm C. its penetration value is 8 to 10 mm D. its penetration value is 8 to 10 cm 16 / 25 16. Which of the following grade of bitumen is harder? A. 30/40 B. 60/70 C. 80/100 D. all are equal 17 / 25 17. Which grade bitumen is used in hot climate A. 60/70 B. 80/100 mm C. Both D. None 18 / 25 18. Which grade bitumen is used in cold climate A. 60/70 B. 80/100 mm C. 180/200 D. None of these 19 / 25 19. What is the standard load applied to the sample when the needle is immersed in the penetration test? A. 100 kg B. 100 gm C. 300 pound D. 200 gm 20 / 25 20. At what rate is the temperature applied during the softening point test? A. 5° /min B. 5° /hr C. 6°/ min D. 6° /hr 21 / 25 21. What height should the steel ball fall through in a softening point test to ascertain the temperature? A. 25 cm B. 2.5 cm C. 50 cm D. 5 cm 22 / 25 22. Which type of mould is used for conducting the ductility test? A. Block B. Briquette C. Urethane D. Latex 23 / 25 23. Ductility of bitumen is measured in A. Time B. Distance C. Temperature D. Colour 24 / 25 24. The resistance to flow is measured by A. Softening point test B. Viscosity C. Penetration test D. Ductility test 25 / 25 25. The allowable maximum water content in bitumen should not be more than A. 2% by weight B. 0.2% by weight C. 2.5%by weight D. 5% by weight Your score is The average score is 45% 0% Restart quiz Exit civil engineerconstruction materials mcqmcq civilnecpscupsc
