Factor of safety is the ratio of the __________ stress to the working stress.

Question: Oxyacetylene reducing flame is used while carrying out welding on
[A].

alloy steel

[B].

grey cast iron

[C].

mild steel

[D].

high carbon steel

Answer: Option C

Explanation:

No answer description available for this question.

Question: Compression ratio of an I.C. engine is the ratio of the
[A].

clearance volume to the volume swept by piston per stroke.

[B].

volume of air in cylinder before compression to that after compression.

[C].

pressure after compression to that before compression.

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Question: Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple.
[A].

chromel – alumel

[B].

iron – constantan

[C].

platinum – platinum + rhodium

[D].

copper-constantan

Answer: Option B

Explanation:

No answer description available for this question.