International Roughness Index (IRI) -

ক কম হলে রাস্তার অবস্থা ভালো বুঝায়
খ বেশি হলে রাস্তার অবস্থা ভালো বুঝায়
গ কম বা বেশি যাই হোক না কেন, রাস্তার অবস্থা ভালো বুঝায়
ঘ সবগুলো

সঠিক উত্তর: কম হলে রাস্তার অবস্থা ভালো বুঝায়

International Roughness Index (IRI) এর মান সাধারণত ইঞ্চি/মাইলে পরিমাপ করা হয়। এর মান কম হলে রাস্তার অবস্থা ভালো বুঝায়।
Bissoy MCQ

Related Questions

In case of hydraulically smooth pipe, the resistance to flow depends only on the Reynolds number, whereas for a hydraulically rough pipe, the resistance to flow is governed by the relative roughness. Two pipes are said to have the same hydraulic roughness, when they have equal values of
ক Relative roughness
খ Absolute roughness
গ Friction co-efficient for flows at equal Reynold number
ঘ All of the above
In machining metals, surface roughness is due to
ক feed marks or ridges left by the cutting tool
খ fragment of built up edge on the machined surface
গ cutting tool vibrations
ঘ all of the mentioned
The heat dissipated by from a surface depends upon its temperature and its characteristics like colour, roughness etc.
ক conduction
খ convection
গ radiation
ঘ any of the above
The United Nations Human Development Index takes Index takes " into account life expectancy, education, as well as income per person.
ক into account life expectancy, education, as well as income per person
খ life expectancy, education, as well as income per person into account
গ into account life expectancy and education, as well as income per person
ঘ into account life expectancy, and education, and income per person
The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be
ক 0.5 Wi
খ Wi
গ 1.34 Wi
ঘ 3.34 Wi
For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will
ক Increase
খ Decrease
গ Remain unaffected
ঘ Other factors control it
Diesel index.(an alternative index for expressing the quality of diesel) is
ক Determined by using a test engine
খ Not related to aniline point
গ Equal to cetane number plus 3
ঘ All of the above
Which international organization declared 21st February as the International Mother Language Day ?
ক UNICEF
খ IMF
গ UNDP
ঘ UNESCO
Which one of the following international organizations declared 21st February as the 'International Mother Language Day'?
ক UNESCO
খ UNICEF
গ UN
ঘ UNDP
A plane traveling 600 miles per hour is 30 miles from Shah Jalal International International Airport at 4:58. At what time will it arrive at the airport?
ক 5: 00 p.m
খ 5:01 p.m
গ 5:02 p.m
ঘ 5:20 p.m

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