At the point of boundary layer separation in fluid flow, the _____________________?

Question: Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.
[A].

working

[B].

bearing

[C].

yield

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.
[A].

10

[B].

20

[C].

30

[D].

40

Answer: Option D

Explanation:

No answer description available for this question.

Question: In case of simple harmonic motion, displacement is proportional to the
[A].

velocity

[B].

acceleration

[C].

both (a) & (b)

[D].

neither (a) nor (b)

Answer: Option B

Explanation:

No answer description available for this question.

Question: In the commercial production of which of the following metals, matallothermic reduction is used ?
[A].

Copper

[B].

Zinc

[C].

Zirconium

[D].

Nickel

Answer: Option B

Explanation:

No answer description available for this question.