2016 Practical Problem

Safety ladder should extend how many meters above where you are working

• 0.5 m

• 1 m

• 2 m

• 3 m

A water distribution system in which the water distribution main is located at he top of the pressure zone, in the distribution-main supplies the risers that distributes water downward to the lowest point of the zone

• up-feed system

• down feed system

• direct system

• hydropneumatics system

A very old building within accessible pipings present a problem on water leaks. What is the best way of solving the problem?

• Re-pipe the whole building

• Place pails on water leaks points

• demolish the building

• abandon the building

A ta-o connection with a gate valve placed at or near the low point of a siphon to empty siphon when necessary to make repairs, to use it as a wasteway to scout deposited materials in the siphon

• scour valve

• check valve

• shut-off valve

• reflux valve

Identify the symbol B

• 90 deg elbow soldered connection

• 90 deg elbow welded connection

• 90 deg elbow flanged connection

• 90 deg elbow screwed connection

A strap wrench is used for the security gripping what kind of pipes?

• Polished pipes

• copper pipes

• stainless steel pipes

• all of the above

A two -storey septic tank and retains its simplicity while eliminating many of its drawbacks, which largely result from the mixing of fresh sewage and septic sludge in the same chamber

• conventional septic tank

• STP

• Imhoff tank

• cesspool

A pressure regulating valve is required if water pressure exceeds

• 80 psi

• 120 psi

• 100 psi

• 150 psi

A fitting assembled in a manner of putting the nut, then the washer on the pipe first, The taper on the washer should face the fitting. When the nut gets screwed on to the fitting the washer gets compressed to form the seal?

• flared joint

• slip joint

• shielded coupling joint

• flanged joint

Generally, what is the diameter of the standpipe for buildings more that 6 stories in height?

• 4 inches

• 3 inches

• 6 inches

• 2 inches