PRACTICAL 1

• This type of fire extinguisher is characterized by a yellow star – Type D
• Ordinary combustibles – Type A
• Flammable liquids – Type B
• Electrical equipment – Type C
• Features integral folding legs for easy transport and setup, built-in tool hangers and a base which overhangs the front legs for clear tool swing. – Portable Tristand Vise
• Generic term for pipe vises with standing support – Pipe Stand Vise

  H
• andy, portable stand chain vise. It has a sturdy cast-iron frame. – Stand Chain Vise
• Mounted on workbenches and its main function is to hold the work piece safely and securely. – Bench Vise
• Which pipe support is recommended in holding a single horizontal soil or waste branch? – Clevis
• Cantilevered wall-mounted support, may support multiple pipes – Bracket
• Support assembly consisting of parallel vertical rods which are suspended from a structure and connected at their lower ends by a horizontal member from which the pipe is supported, may support multiple pipes – Trapeze
• May suspended single horizontal or affix horizontal pipe – Clamp hanger
• What tool do you use for threading a very small pipe? – Nipple Chuck
• Provided with steel curved gripping arms, made to handle pipes. – Pipe Tong
• In constructing a sewer main, when should you backfill the trench? – After you inspect the sewer pipe
• Single wall metal vent connectors, shall be provided with clearances from combustible material of not less than ______. – 6”
• A pump cable of generating 125 feet of head of gasoline would provide a pressure of ____. – 37.8psi
• A child’s water closet has a rim height of ______ above the floor. Many plumbing codes require these water closets in daycare centers and kindergarten toilet rooms for use by small children. – 10inches
• A standard water closet has a rim height of – 14-15in
• For Physically challenged rim height of – 18in
• The standard rough in dimension is ___ in from the centerline of the water outlet to the back wall – 12 in
• What gasket material for flanged union should be used in the piping is for cold water? – Sheet rubber or asbestos sheet packing
• What gasket material for flanged union should be used in the piping is for hot water lines – Rubber or asbestos composition
• What gasket material for flanged union should be used in the piping is for gas piping – Leather or asbestos composition
• What gasket material for flanged union should be used in the piping is for gasoline conduction – Metallic
• The study of the distribution and movement of water both on and below Earth’s surface, as well as the impact of human activity on water availability and conditions. – Hydrology
• The study of the response of a fluid to applied forces, subject to certain constraints such as continuity, or mass conversion. – Hydraulics
• The study of the response of a fluid to applied forces, subject to certain constraints such as continuity, or mass conversion. – Fluid Mechanics
• The study of groundwater – it is sometimes referred to as geohydrology or groundwater hydrology. – Hydrogeology