Dee Vee Projects Plumbing and Fire Fighting Enguneer Interview Questions and Answers

Water supply can be either direct or indirect, while drainage can be either single stack or separate system.

• Water supply can be direct, where water is supplied directly from the mains to the fixtures, or indirect, where water is stored in a tank and then supplied to the fixtures.

• Drainage can be a single stack system, where all waste water is collected in a single stack and then discharged into the sewer, or a separate ...read more