Complete GATE AR 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 61–63 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 21 of 22

Question 51

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ARNAT2 marksNeeds review
In India, for 1.0 cum of M-20 grade concrete, the number of cement bags required is ________ (up to two decimal places).

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Question 52

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ARNAT2 marksNeeds review
The sound power level of an outdoor non-directional point source is 90 dB. Considering an atmospheric impedance of 400 rayls, the sound pressure level at 10 m distance from the source is ______ dB.

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Question 53

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ARNAT2 marksNeeds review
The live load and dead load in a three storeyed residential building, transferred through a single column, is 12 tons and 18 tons respectively. If the soil bearing capacity is 10 ton/sqm and the factor of safety is 1.5, the area of column footing is ___________ sqm (up to one decimal place).

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