The approximate height of a blast furnace having a useful volume of 2000 m3 is about _______________ metres ?

Question: As the fluid flow rate increases, the float of the rotameter
[A].

rises in the tube.

[B].

rotates at higher speed.

[C].

rotates at lower speed.

[D].

drops down in the tube.

Answer: Option A

Explanation:

No answer description available for this question.

Question: Gross national product (GNP) means the total value of __________ in a country.
[A].

goods produced

[B].

gold reserve

[C].

earning of the citizens

[D].

taxes paid

Answer: Option A

Explanation:

No answer description available for this question.

Question: Fatigue limit of a material should not be increased by
[A].

shot peening

[B].

surface decarburisation

[C].

understressing

[D].

cold working

Answer: Option B

Explanation:

No answer description available for this question.

Question: Laser welding is widely employed in the __________ industries.
[A].

electronic

[B].

structural

[C].

process

[D].

heavy

Answer: Option A

Explanation:

No answer description available for this question.