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51
__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.
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Answer: Option C
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52
Production of a hollow product by inflation of a tube or parison is called the __________ process.
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Answer: Option A
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53
The maximum percentage of chromium that can be added to steel is about
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Answer: Option B
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54
Vernier calipers can not be used to measure the
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Answer: Option D
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55
The majority charge carriers in p-type silicon are
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Answer: Option D
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56
Water hammer is caused in steam carrying pipelines, because of
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Answer: Option A
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57
Cascade control is
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Answer: Option D
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58
Case hardening is not done by
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Answer: Option D
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59
Cassiterite is an ore of
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Answer: Option A
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60
Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?
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Answer: Option D
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