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The previous year question paper for the Post of Junior Engineers (JE) Civil Engineering under SSC (Staff Selection Commission) is as follows: QID : 701 - Which of the following defect appears due to presences of alkalies in the bricks? Options: 1) Bloating 2) Black core 3) Cracks 4) Efflorescence Correct Answer: Efflorescence QID : 702 - For which of the following process Boucherie process is used? Options: 1) Manufacturing of bricks 2) Manufacturing of cement 3) Production of clay tiles 4) Treatment of green timber Correct Answer: Treatment of green timber QID : 703 - What is the percentage content of asphalt in the cut-back asphalt? Options: 1) 10% 2) 30% 3) 50% 4) 80% Correct Answer: 80% QID : 704 - In which of the following test of bitumen Ring and Ball apparatus is used? Options: 1) Penetration test 2) Softening point test 3) Viscosity test 4) Flash and fire point test Correct Answer: Softening point test QID : 705 - The defect in timber that causes longitudinal separation of woods between the annular rings is known as_______. Options: 1) knots 2) rind gall 3) shakes 4) twisted fibers Correct Answer: shakes QID : 706 - Which of the seasoning method is adopted for the rapid seasoning of timber on large scale to obtain any desired moisture content? Options: 1) Air seasoning 2) Boiling process 3) Kiln seasoning 4) Water seasoning Correct Answer: Kiln seasoning QID : 707 - What is the gel-space ratio of a sample of concrete, if the concrete is made with the 600 g of cement with the water-cement ratio of 0.65? Options: 1) 0.012 2) 0.432 3) 0.678 4) 0.874 Correct Answer: 0.678 QID : 708 - The concrete sample is cured at 15 degree Celsius for 28 days. If the origin temperature is taken as -11 degree Celsius, what is the maturity (degree Celsius days) of concrete sample? Options: 1) 112 2) 308 3) 402 4) 728 Correct Answer: 728 QID : 709 - The ingredient of paint which are used to hide the surface irregularities and imparts color is known as_______. Options: 1) adultrants 2) drier 3) pigments 4) solvents Correct Answer: pigments QID : 710 - If the least lateral dimension of aggregate is less than 0.6 times of its mean dimension, the aggregate is classified as_____. Options: 1) angular 2) flaky 3) irregular 4) rounded Correct Answer: flaky
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