Seraj Uddin is teaching live on Unacademy Plus
SStaff Selection Commission SSC JE 2017 Exam date - 4th March 2017 Morning shift Questions with brief explanation
Rocks formed due to alteration of original structure due to heat and excessive pressure are called 1. (a) Sedimentary rocks (b) Igneous rocks (c) Metamorphic rocks (d) None of these
Granite mainly composed of quartz and felsper particles is obtained from 2. (a) Sedimentary rocks (b) Metamorphic rocks (c) Igneous rocks (d) All options are correct
3. in stone masonry, stones are so placed that the direction of pressure to plane of bedding is (a) Right angles (b) 45 (c) 60 (d) Parallel
4.The term frog means (a) (b) (c) (d) An apparatus to lift the stone A depression on a face of brick Vertical joint in a brick work Soaking brick in water
5. The minimum compressive strength of 2"d class bricks should be (a) 70kg/cm (c) 100 kg/cm (b) 90 kg/cm2 (d) 120 kg/cm2
Clas b?
6. A pug mill is used for. (a) (b) (c) Softening brick earth Moulding brick earth Tempering brick earth (d) Providing brick earth
The lime which contains high percentage of calcium oxide is generally called. 7, (a) Fat lime (b) Rich lime (c) White lime (d) None of these
8. Lime putty (a) Is made from hydraulic lime (b) Is made by adding lime to water (c) Can be used only upto three days (d) All options are correct
9.For lime concrete (a) Slump is 50 to 75 mm (b) Flexural strength at 90 days is 0.2 N/mm2 (c) Compressive strength at 90 days is 1.5 N/mm2 (d) All options are correct
62. To hydrate 500 kg cement fully water needed is (a) 100 kg (c) 120 kg (b) 110 kg (d) 130 kg
64. The produce impermeable concrete (a) Through mixing of concrete is required (b) Proper compaction of concrete is required (c) Proper curing of concrete is required (d) All options are correct
You are asked to construct a massive dam, the type of cement you will use is......... 69. (a) Ordinary Portland cement (b) (c) (d) Rapid hardening cement Low heat cement, Blast furnace slag cement
74. Log Angles machines is used to test the aggregate for (a) Cnushing strength (b) Impact value (c) Abrasion resistance (d) Water absorption
Pozzolana cement is used with confidence tor construction of 76. (a) Dams (b) Massive foundations (c) Abutments (d) All options are correct
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