A child went 90 m in the East to look for his father, then he turned right and went 20 m. After this he turned right and after going 30 m he reached to his uncle’s house. His father was not there. From there he went 100 m to his north and met his father. How far did he meet his father from the starting point?

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Question: A child went 90 m in the East to look for his father, then he turned right and went 20 m. After this he turned right and after going 30 m he reached to his uncle’s house. His father was not there. From there he went 100 m to his north and met his father. How far did he meet his father from the starting point?
[A].

80 m

[B].

100 m

[C].

140 m

[D].

260 m

Answer: Option B

Explanation:

For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be

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Question: For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be
[A].

100% indirect reduction.

[B].

100% direct reduction.

[C].

50-60% indirect reduction.

[D].

30-40% indirect reduction.

Answer: Option C

Explanation:

No answer description available for this question.

Cold cracking in the heat affected zone of a high strength steel weld can take place because of the

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Question: Cold cracking in the heat affected zone of a high strength steel weld can take place because of the
[A].

retained austenite.

[B].

martensite formation.

[C].

relatively high sulphur content in the base metal.

[D].

sufficient hydrogen present in the welding arc.

Answer: Option B

Explanation:

No answer description available for this question.