GK
ELEMENTS COMPOUNDS SUBSTANCES METALS AND NON METALS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Silicon (Si)
|
|
|
Calcium (Ca)
|
|
|
Both (a) and (b)
|
|
|
Aluminum (Al)
|
Detailed explanation-1: -There are a huge range of brick finishes including, glazed, water-struck, handmade, rusticated, drag-faced, rolled, sand-faced and smooth.
Detailed explanation-2: -∴ Two brick wall thickness = 2 × (19 cm + 1 cm) = 2 × 20 cm = 40 cm. SSC JE CE 2022 Paper I Results & Cut-Off has been released on the official website on 18th January 2023.
Detailed explanation-3: -A contemporary brick wall is typically made of clay, concrete, or calcium-silicate bricks. The most common brick size is 215mm (L) x 102.5mm (W) x 65mm (H). Bricks are bound together by a cementitious or lime mortar, usually 10mm thick for the horizontal (bedding) joints and 10mm wide for the vertical (perpend) joints.
Detailed explanation-4: -A brick wall is variously used as a metaphor for a challenging obstacle or obstruction.