{"id":57175,"date":"2023-08-22T16:02:40","date_gmt":"2023-08-22T10:32:40","guid":{"rendered":"https:\/\/www.practicemock.com\/blog\/?p=57175"},"modified":"2025-11-25T18:10:42","modified_gmt":"2025-11-25T12:40:42","slug":"ssc-je-bmc-questions","status":"publish","type":"post","link":"https:\/\/www.practicemock.com\/blog\/ssc-je-bmc-questions\/","title":{"rendered":"SSC JE 2023-BMC (Building Materials & Construction): Questions"},"content":{"rendered":"\n

The SSC JE 2023 exam is just around the corner, and aspirants preparing for the BMC (Building Materials & Construction)<\/strong> section must focus on the important and high-scoring questions to boost their chances of selection. This section tests your understanding of essential construction materials, their properties, uses, and practical applications in civil engineering. With the competition increasing every year, revising the important questions for SSC JE BMC<\/strong> becomes crucial for scoring well and improving your overall cutoff. In this article, we bring you the most important topics and probable questions that you should not miss in the last phase of your preparation.<\/p>\n\n\n\n

SSC JE 2023-BMC (Building Materials & Construction): Questions<\/h2>\n\n\n\n

1.         Out of the following, which may be termed as an unstratified Rock?<\/p>\n\n\n\n

            (a) Sandstone<\/p>\n\n\n\n

            (b) Limestone<\/p>\n\n\n\n

            (c) Marble<\/p>\n\n\n\n

            (d) Slate<\/p>\n\n\n\n

Sol: C<\/p>\n\n\n\n

Classification of Rock<\/strong><\/h3>\n\n\n\n
Types of rock<\/strong><\/td>Example<\/strong><\/td><\/tr>
Igneous Rocks<\/td>Granite, Rhyolite, Syenite, Andesite, Gabbro<\/td><\/tr>
Sedimentary Rocks<\/td>Gypsum, magnesite, Sandstone, Limestone, diatomite, Chalk<\/td><\/tr>
Metamorphic Rocks<\/td>Gneiss, Marble, Slate and Schist<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
Types of rock<\/strong><\/td>Example<\/strong><\/td><\/tr>
Stratified Rocks<\/td>Sandstone, Limestone, Shale, Slate<\/td><\/tr>
Unstratified Rocks<\/td>Basalt, Granite, Marble<\/td><\/tr>
Foliated Rocks<\/td>Gneiss<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
Types of rock<\/strong><\/td>Example<\/strong><\/td><\/tr>
Argillaceous Rocks<\/td>Slate<\/td><\/tr>
Silicious Rocks<\/td>Gneiss<\/td><\/tr>
Calcareous Rocks<\/td>Marble<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n


2.         <\/strong>Moh’s scale is used for stones to determine:<\/p>\n\n\n\n

(a) Flakiness index<\/p>\n\n\n\n

(b) Durability<\/p>\n\n\n\n

(c) Strength<\/p>\n\n\n\n

(d) Hardness<\/p>\n\n\n\n

Ans. (d)<\/p>\n\n\n\n

Moh’s hardness,<\/strong> rough measure of the resistance of a smooth surface to scratching or abrasion<\/strong>, expressed in terms of a scale by the German mineralogist Friedrich Moh’s.<\/p>\n\n\n\n

Moh’s Hardness Scale<\/strong><\/td><\/tr>
Mineral<\/strong><\/td>Moh’s Hardness<\/strong><\/td><\/tr>
Talc<\/td>1<\/td><\/tr>
Gypsum<\/td>2<\/td><\/tr>
Calcite<\/td>3<\/td><\/tr>
Fluorite<\/td>4<\/td><\/tr>
Apatite<\/td>5<\/td><\/tr>
Orthoclase<\/td>6<\/td><\/tr>
Quartz<\/td>7<\/td><\/tr>
Topaz<\/td>8<\/td><\/tr>
Corundum<\/td>9<\/td><\/tr>
Diamond<\/td>10<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

3.         An explosive that contains: 65% saltpetre, 20% sulphur and 15% charcoal is
(a) Dynamite
(b) Nitrocellulose
(c) Blasting powder
(d) Cordite
Sol-(c)<\/p>\n\n\n\n