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

591. In the field hardness test of a good brick:

     कNo impression should be left on the surface when it is scratched with a fingernail खIt should break when dropped from 0.5 m गIt should float on water घIt should become soft when immersed in water
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

592. In a Vertical Shaft Brick Kiln (VSBK):

     कBricks are dried in the sun only खBricks are stacked in an open field with fuel between layers गBricks are fired in a long horizontal tunnel on cars घGreen bricks are loaded at the top and move down through a vertical shaft as fired bricks are removed below
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

593. The zig-zag brick kiln, widely promoted in Nepal to replace older fixed-chimney kilns, is an improvement of the Bull's trench kiln in which:

     कBricks move down a vertical shaft खBricks are burnt in a single batch under a temporary clamp गBricks are stacked so that hot gases follow a zig-zag path, improving combustion and reducing emissions घElectricity is used instead of fuel
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

594. In Flemish bond brickwork, each course consists of:

     कHeaders only खHeaders and stretchers laid alternately in the same course गStretchers only घBricks laid on edge diagonally
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

595. English bond in brick masonry consists of:

     कAlternate courses of headers and stretchers खHeaders and stretchers alternating within every course गOnly stretchers in every course घOnly headers in every course
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

596. A brick laid with its length perpendicular to the face of the wall, so that only its end is visible, is called a:

     कBat खStretcher गCloser घHeader
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

597. In 'slop moulding' of bricks by hand, the mould is:

     कHeated before moulding खSprinkled with sand before moulding गDipped in water before each brick is moulded so that the clay does not stick घFilled with dry clay powder under pressure
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

598. The weight of a standard (traditional) burnt clay brick is generally about:

     क0.5 to 1 kg ख3 to 3.5 kg ग6 to 7 kg घ10 kg
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

599. An aggregate sample has an oven-dry mass of 2000 g, a saturated surface-dry mass of 2020 g and a mass in water of 1260 g. Its bulk specific gravity (oven-dry basis) is about:

     क2.63 ख2.66 ग2.70 घ1.59
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।

600. Recycled concrete aggregate is obtained by:

     कDredging river beds खBurning clay at high temperature गExpanding shale in a kiln घCrushing concrete from demolished structures
     💬 टिप्पणी / गल्ती रिपोर्ट (०)

     छलफल / प्रश्न उत्तरमा गल्ती छ

     पठाउनुहोस्

     टिप्पणी जाँचपछि मात्र देखिन्छ।