निर्माण सामग्री – Construction Materials MCQ
निर्माण सामग्री – सिभिल इन्जिनियरिङ
Construction Materials · Civil Engineering · १,००८ प्रश्न
१,००८ प्रश्न उपलब्ध। मोड छान्नुहोस्:
निर्माण सामग्री: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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Gneiss is a metamorphic rock usually formed from:
सही उत्तर: ग) Granite
Gneiss is a banded metamorphic rock formed mainly by the metamorphism of granite.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The principal minerals present in granite are:
सही उत्तर: ग) Quartz, feldspar and mica
Granite is a coarse-grained igneous rock consisting mainly of quartz, feldspar and mica.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Laterite, used as building stone in some regions, is:
सही उत्तर: घ) A weathered rock rich in iron and aluminium oxides, soft when quarried and hardening on exposure
Laterite forms by intense tropical weathering; it is porous, rich in iron and aluminium oxides, easily cut when fresh and hardens on exposure.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Sand-lime (calcium silicate) bricks are hardened by:
सही उत्तर: घ) Steam curing under pressure in an autoclave
Sand-lime bricks are moulded under pressure from sand and lime and then autoclaved, forming calcium silicates.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Compared with solid bricks, hollow clay bricks are advantageous because they are:
सही उत्तर: घ) Lighter and provide better thermal and sound insulation
Cavities reduce weight and act as insulating air spaces, though compressive strength is lower than solid bricks.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A portion of a brick cut across its width, such as a half or three-quarter brick, is called a:
सही उत्तर: घ) Bat
Bats are pieces cut across the width of a brick (half bat, three-quarter bat); closers are cut along the length.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A king closer is a brick:
सही उत्तर: घ) With one corner cut off diagonally, leaving one end half the width of a full brick
A king closer is obtained by cutting a triangular piece off one corner so that one end becomes half width.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A brick laid with its length parallel to the face of the wall is called a:
सही उत्तर: घ) Stretcher
A stretcher shows its long face on the wall face; a header shows its end (short) face.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Soft, under-burnt bricks with a yellowish colour and poor strength, used only for temporary structures, are classed as:
सही उत्तर: क) Third-class bricks
Third-class bricks are under-burnt, soft and light-coloured; they are suitable only for temporary or unimportant works.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Hoffmann's kiln for burning bricks is a:
सही उत्तर: ख) Permanent, roofed continuous kiln with a number of chambers
Hoffmann's kiln is a circular or rectangular continuous kiln with several chambers, so burning continues throughout the year.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
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