निर्माण सामग्री – Construction Materials MCQ

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

731. The main purpose of applying preservatives such as linseed oil or paraffin to stone surfaces is to:

     कIncrease the crushing strength of the stone खChange the colour of the stone permanently गMake the stone lighter in weight घProtect the stone against weathering by closing surface pores
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

732. A 'freestone' in building is a stone that:

     कIs obtained free of cost from riverbeds खCan be easily cut and worked in any direction because it has no marked bedding गSplits only along its natural bed घContains no silica at all
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

733. Basalt differs from granite mainly in that basalt is:

     कIntrusive and coarse-grained खSedimentary and stratified गMetamorphic and foliated घExtrusive and fine-grained
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

734. Dolomite is a rock composed mainly of:

     कCalcium magnesium carbonate खCalcium sulphate गSilicon dioxide घAluminium silicate
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

735. Salt glazing of stoneware pipes is done by:

     कMixing salt with the clay before moulding खDipping the pipes in salt water after burning गThrowing common salt into the kiln at high temperature so it forms a glassy coating घPainting the pipes with sodium silicate
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

736. Stoneware, a dense vitrified clay product, is commonly used for:

     कLight partition walls खFurnace linings गRoof insulation घSewer and drain pipes
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

737. Mangalore tiles, made of burnt clay with interlocking grooves, are used mainly for:

     कSloping roofs खWall cladding inside bathrooms गLining furnaces घFloor finishing
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

738. Autoclaved Aerated Concrete (AAC) blocks get their cellular, lightweight structure mainly from:

     कInjecting compressed air through pipes खAluminium powder reacting to release hydrogen gas in the mix गBurning out sawdust mixed in the clay घAdding pumice as coarse aggregate
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

739. Compressed Stabilised Earth Blocks (CSEB), used in low-cost housing in Nepal, are made by:

     कCutting natural stone into blocks खCasting concrete with coarse aggregate in moulds गBurning clay blocks in a kiln at high temperature घCompressing a moist mixture of soil and a small amount of cement or lime in a press
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

740. Bricks specially shaped for forming acute or obtuse (non-right-angled) corners in brickwork are called:

     कSquint bricks खBullnose bricks गCoping bricks घHollow bricks
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।