BOF recruitment test 2016

Bangladesh Ordinance Factory (BOF), Assistant Engineer (Mechanical) Recruitment test-2016

01. What is the difference between reciprocating and rotary Engine?
02. Write down the significance of Mohr’s Circle?
03. What is engineering stress-strain curve and true Stress-strain?  
04. Write down the second law of Thermodynamics.
05. What is the difference between fire tube and water tube boiler?
06. Elaborate the abbreviate words: EFI, VVT, VVTI, ABC, VOSC
07. Describe the cetane and octane number.
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