इन्जिनियरिङ सेवा सब-इन्जिनियर (पाँचौँ तह) – प्राविधिक पत्र
इन्जिनियरिङ सेवा – सब-इन्जिनियर (पाँचौँ तह)
Sub-Engineer – 5th Level · Engineering Service
१,९४० प्रश्न उपलब्ध। मोड छान्नुहोस्:
प्राविधिक पत्र: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ५ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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A wane in sawn timber is a defect in which:
सही उत्तर: घ) Part of the original rounded surface (bark) remains on the edge of the piece
Wane occurs when a piece is cut too close to the outside of the log, leaving a bevelled or bark-covered edge.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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CGI sheets, widely used for roofing in Nepal, are:
सही उत्तर: घ) Corrugated galvanised iron (steel) sheets
CGI stands for corrugated galvanised iron: steel sheets coated with zinc and corrugated for stiffness.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The main health hazard associated with handling and cutting asbestos cement products is:
सही उत्तर: ख) Inhaling fibres, which can cause asbestosis and lung cancer
Airborne asbestos fibres lodge in the lungs, causing asbestosis, mesothelioma and lung cancer, which is why its use is restricted.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is commonly used as a thermal insulating material in buildings?
सही उत्तर: क) Expanded polystyrene
Materials with many trapped air cells, such as expanded polystyrene and glass wool, have low thermal conductivity.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Gypsum board (plasterboard) consists of:
सही उत्तर: ख) A core of set gypsum faced on both sides with paper
Plasterboard has a gypsum core between paper liners and is used for partitions and false ceilings.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Terrazzo flooring consists of:
सही उत्तर: ख) Marble chips set in cement mortar, ground and polished
Terrazzo is a mix of marble chips and cement (often coloured) laid, cured and then ground and polished to a smooth surface.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Keene's cement, used for high-quality smooth plaster, is made by:
सही उत्तर: क) Calcining gypsum, soaking it in alum solution and re-calcining at high temperature
Keene's cement is an anhydrous gypsum plaster produced by heating gypsum, treating it with alum and reheating; it sets slowly to a very hard white finish.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Rice husk ash, when produced by controlled burning, is useful in concrete and mortar as a:
सही उत्तर: ख) Pozzolanic material
Controlled-burnt rice husk ash is rich in reactive amorphous silica and reacts with lime as a pozzolana.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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When fat lime is slaked, its volume increases to about:
सही उत्तर: घ) 2 to 2.5 times the original volume
Fat (rich) lime slakes vigorously with much heat and swells to about two to two-and-a-half times its volume.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Aggregate obtained directly from a pit or river containing both fine and coarse fractions together is called:
सही उत्तर: घ) All-in aggregate
All-in (pit-run) aggregate contains a mixture of fine and coarse sizes as found in nature.
💬 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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