Statement 1: Generally needle valves are not used for liquids. Statement 2: For a unidirectional flow, non return valves are used.
Statement 1: Generally needle valves are not used for liquids. Statement 2: For a unidirectional flow, non return valves are used. Correct Answer True, True
Both the statements are true.
মোঃ আরিফুল ইসলাম
Feb 20, 2025