Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.

Question: In continuous casting of liquid steel, the mould is made of
[A].

water cooled steel

[B].

water cooled copper.

[C].

refractory oxide.

[D].

silicon carbide.

Answer: Option B

Explanation:

No answer description available for this question.

Question: In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be
[A].

higher, as it gives higher wavelength.

[B].

lower, as it gives higher wavelength.

[C].

higher, as it gives shorter wavelength.

[D].

lower, as it gives shorter wavelength.

Answer: Option C

Explanation:

No answer description available for this question.