18633. In a hot chamber die casting machine

By Admin / September 14, 2025

[A]. ferrous alloys with low melting temperature are casted

[B]. ferrous alloys with high melting temperature are casted

[C]. non-ferrous alloys with low melting temperature are casted

[D]. non-ferrous alloys with high melting temperature are casted

✅ The correct answer is option C.

18632. While designing the refrigeration system of an aircraft, the prime consideration is that the

18634. In aqua-ammonia and Lithium-bromide water absorption refrigeration systems, the refrigerants are respectively

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