SSC-JUNIOR ENGINEER (Civil & Structural) Online Exam 2017 (Part-III)Total Questions: 501. Which of the following is calcareous raw material used in the cement production?A. Cement rockB. Lime stoneC. Marine shellsD. All options are correctCorrect Answer: C. Marine shellsSolution:No explanation given in the book2. If the size of specimen used to test the compressive strength of concrete is decreased, then the compressive strength of concrete will ______.A. decreaseB. do not affectedC. first decrease then increase rapidlyD. increaseCorrect Answer: D. increaseSolution:No explanation given in the book3. What is the bottom diameter (mm) of the standard mould used in slump test of the concrete?A. 50B. 100C. 150D. 200Correct Answer: D. 200Solution:No explanation given in the book4. The showing up of white fluffy layers on the surfaces of concrete is termed as _________.A. consistencyB. efflorescenceC. segregationD. workabilityCorrect Answer: B. efflorescenceSolution:No explanation given in the book5. Tempering is the process used in the manufacturing of __________.A. bricksB. bitumenC. cementD. paintsCorrect Answer: A. bricksSolution:No explanation given in the book6. Which of the following is burnt in the Hoffman's kiln during the process of manufacturing?A. BitumenB. BricksC. ClinkerD. VarnishesCorrect Answer: B. BricksSolution:No explanation given in the book7. In which of the following case Bethel process is used?A. Brick manufacturingB. Cement manufacturingC. Manufacturing of bituminous materialD. Treatment of timberCorrect Answer: D. Treatment of timberSolution:No explanation given in the book8. For proper workability of concrete, the water-cement ratio varies from __________.A. 0.1 to 0.2B. 0.2 to 0.4C. 0.4 to 0.6D. 0.6 to 0.8Correct Answer: C. 0.4 to 0.6Solution:No explanation given in the book9. The viscous liquid obtained from the destructive distillation of organic material is known as _______.A. paintB. slagC. tarD. None of theseCorrect Answer: C. tarSolution:No explanation given in the book10. What is the approximate bitumen content (expressed in percentage) in the refined asphalt?A. 5B. 20C. 36D. 52Correct Answer: D. 52Solution:No explanation given in the bookSubmit Quiz12345Next »