इन्जिनियरिङ सेवा असिस्टेन्ट सब-इन्जिनियर (चौथो तह) – प्राविधिक पत्र
इन्जिनियरिङ सेवा – असिस्टेन्ट सब-इन्जिनियर (चौथो तह)
Assistant Sub-Engineer – 4th Level · Engineering Service
१,५०३ 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
-
Rocks that show distinct layers because they were deposited in beds, such as sandstone and limestone, are called:
सही उत्तर: ख) Stratified rocks
Stratified rocks are sedimentary rocks deposited layer by layer, so they split easily along bedding planes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Dynamite, an explosive used in quarrying hard rock, consists mainly of:
सही उत्तर: घ) Nitroglycerine absorbed in a porous material
Dynamite is nitroglycerine absorbed in an absorbent material, making it more stable to handle than liquid nitroglycerine.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
For a good building stone, water absorption after 24 hours of immersion should generally not exceed about:
सही उत्तर: ग) 5%
Good building stones are dense, and their water absorption is generally less than 5% by weight.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The resistance of a stone to wear by rubbing of particles against each other is tested by the:
सही उत्तर: क) Deval attrition test
In the Deval test, stone pieces are rotated in a cylinder and the loss due to attrition indicates resistance to wear.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
'Quarry sap' in a freshly quarried stone refers to:
सही उत्तर: घ) The natural moisture contained in it, which should be removed by seasoning before use
Freshly quarried stone contains moisture (quarry sap); it is seasoned by exposure, usually for several months, before use.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
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)
-
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)
-
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)
-
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)
-
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)
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।