Related Questions

According to the "wear -and- tear theory", ageing takes place due to ____ .
A biological and social consequences
B psychological and biological consequences
C psychological and social consequences
D biological , mental and social consequences
'International Institute on Ageing' কোথায় প্রতিষ্ঠিত হয়েছে?
A জেনেভা
B রোম
C প্যারিস
D ভ্যালেটা
International Institute on Ageing কোথায় অবস্থিত?
A জেনেভা
B রোম
C প্যারিস
D ভ্যালেটা
Ageing of a selenium rectifier may change the output voltage by
A 5 to 10 per cent
B 15 to 20 per cent
C 25 to 30 per cent
D none of the above
The phenomenon of strain-ageing is generally experienced with
A Cast iron
B Low carbon steel
C High manganese steel
D High carbon steel
Study of process of ageing
A Genocology
B Geronotology
C Ontogeny
D None of these
Ageing of steel refers to the
A Degradation of steel by corrosion
B Failure of steel structure by overstress-ing
C Return of sharp yield point in temper rolled low carbon sheet after a period of time
D Decarburisation of steel by overheating
During ageing of fluid carrying pipes, the
A Pipe becomes smoother with use
B Friction factor increases linearly with time
C Absolute roughness decreases with time
D Absolute roughness increases linearly with time
ETHYLENE থেকে POLYETHYLENE তৈরি কী ধরণের বিক্রিয়া?
A polymerization
B neutralization
C synthesis
A receiver has poor IF selectivity. It will therefore also have poor
A Blocking
B Double-spotting
C Diversion reception
D Sensitivity

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