सिभिल इन्जिनियरिङ
सिभिल इन्जिनियरिङ
Civil Engineering · ५,१७१ प्रश्न
५,१७१ प्रश्न उपलब्ध। मोड छान्नुहोस्:
सिभिल इन्जिनियरिङ: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
-
Roller compacted concrete (RCC) is typically used for:
सही उत्तर: क) Dams and heavy-duty pavements, placed with earth-moving equipment and compacted by rollers
RCC is a zero-slump concrete spread and compacted by vibratory rollers, allowing rapid, economical construction of dams and pavements.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Vinsol resin is used in concrete as a/an:
सही उत्तर: घ) Air-entraining agent
Vinsol resin, a wood-derived resin, is a common air-entraining admixture.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Chemically, gypsum and plaster of Paris are respectively:
सही उत्तर: ख) CaSO4·2H2O and CaSO4·½H2O
Gypsum is calcium sulphate dihydrate; heating drives off part of the water to give the hemihydrate, plaster of Paris.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
In acoustics, the sound absorption coefficient of an open window is taken as:
सही उत्तर: क) 1.0
An open window lets all incident sound pass out without reflection, so it is taken as a perfect absorber with coefficient 1.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The SI unit of thermal conductivity of a building material is:
सही उत्तर: घ) W/(m·K)
Thermal conductivity is the heat flow per unit area per unit temperature gradient, expressed in W/(m·K).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Epoxy resins are commonly used in construction for:
सही उत्तर: ग) Bonding, crack injection and repair of concrete, and chemical-resistant floorings
Epoxies are thermosetting resins with strong adhesion and chemical resistance, used as adhesives, injection grouts and coatings.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Polycarbonate sheets are widely used for skylights and canopies because they are:
सही उत्तर: ख) Transparent, light and have very high impact resistance
Polycarbonate is a tough, transparent thermoplastic, far more impact-resistant than glass.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Colour wash for walls is prepared by:
सही उत्तर: क) Adding a suitable colouring pigment to whitewash
Colour wash is whitewash (slaked lime with water and gum) with a lime-fast mineral pigment added.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
'Bleeding' as a paint defect refers to:
सही उत्तर: घ) Staining or discolouring of a new coat by soluble colouring matter from the underlying surface or coat
Resins, tar or dyes in the substrate dissolve into the new paint and show through as stains.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
'Sagging' (running) of a paint film on vertical surfaces is mainly caused by:
सही उत्तर: ग) Applying the paint too thickly or using paint that is too thin
Excessively thick coats or over-thinned paint flow downwards before setting, forming curtains or runs.
💬 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।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।