The ratio of the shear stress to the principal stress on a principal plane is______________________?

Question: Ammonia leakage in the refrigeration system is detected by
[A].

sulphur stick, which on detection gives white smoke.

[B].

using chemical reagents.

[C].

its smell.

[D].

soap solution.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Electrolytes conduct electric current by
[A].

the movement of ions.

[B].

the movement of molecules.

[C].

allowing electrons to flow through them from cathode to anode.

[D].

movement of electric charge through them.

Answer: Option A

Explanation:

No answer description available for this question.

Question: An abrupt and sudden fall in the readinp of barometer is an indication of the
[A].

storm

[B].

rain

[C].

clear weather

[D].

cold wave

Answer: Option A

Explanation:

No answer description available for this question.