毎日一問----------工程基礎知識 シングルクイズ（9月7日）
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参加すれば3の報酬がもらえます。単一選択問題：容器や配管の試験圧入を行う目的は、何をチェックするためですか？ A、外形と強度 B、強度と密封性 C、容積と漏れ D、剛性と伸縮性
B、強度と気密性 容器や配管の試験圧入は、（B、強度と気密性）を確認するために行われます。 A、外形と強度 B、強度と密封性 C、容積と漏れ D、剛性と伸縮性
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