Body centred cubic space lattice is found in

Question: In a four stroke cycle petrol engine, , the compression
[A].

starts at 40° after bottom dead centre and ends at 30° before top dead centre

[B].

starts at 40° before bottom dead centre and ends at 30° after bottom dead centre

[C].

starts at bottom dead centre and ends at top dead centre

[D].

may start and end anywhere

Answer: Option A

Explanation:

No answer description available for this question.

Question: Anti-knock for compression ignition engines is
[A].

napthene

[B].

tetra ethyl lead

[C].

amyl nitrate

[D].

hexadecane

Answer: Option C

Explanation:

No answer description available for this question.