Certified Plumbing Contractor Quiz

30 Questions | By Charlieutley | Last updated: Mar 20, 2022 | Total Attempts: 53

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Knowledge check.

Questions and Answers

1.

The discharge of the Little Giant centrifugal wastewater pumps can be restricted without harm to the pump.
- A.
  
  True
- B.
  
  False
2.

A pump that is operating at 23 feet of head is producing approximately 10 PSI.
- A.
  
  True
- B.
  
  False
3.

Most Little Giant wastewater pumps are rated continuous duty as long as they are operating on their performance curve.
- A.
  
  True
- B.
  
  False
4.

All Little Giant pumps can be operated in water temperatures up to 160 degrees F. without any problems.
- A.
  
  True
- B.
  
  False
5.

A pump with "-CIA" in the model identification indicates it is a cast iron pump without a switch.
- A.
  
  True
- B.
  
  False
6.

Sump pumps typically have a screened inlet are designed for non-solids handling applications.
- A.
  
  True
- B.
  
  False
7.

The "high temperature" versions of Little Giant wastewater pumps are rated for use in water temperatures up to, but not exceeding, 180 degrees F.
- A.
  
  True
- B.
  
  False
8.

The "Drainosaur" series packages can be used in laundry tray applications and under sinks as long as a mechanical vent is installed.
- A.
  
  True
- B.
  
  False
9.

Little Giant's sump pumps are designed to dissipate the heat from the motor more efficiently by pressing the motor stator into the cast iron housing.
- A.
  
  True
- B.
  
  False
10.

The Oil Sensing Switch System is used mainly in elevator pits to be sure to pump any and all hydraulic oil leakage out of the pit to a gravity sewer system.
- A.
  
  True
- B.
  
  False
11.

Effluetn pumps typically have a restricted inlet and are designed to handle 1/2" to 3/4" solids.
- A.
  
  True
- B.
  
  False
12.

Effluent pumps were designed to enhance the efficiency of the traditional gravity type septic systems.
- A.
  
  True
- B.
  
  False
13.

When sizing an effluent pump for an "Enhanced Flow" STEP system, the Operating Pressure will be 2 to 8 feet of head.
- A.
  
  True
- B.
  
  False
14.

The TDH in a "Low Pressure Pipe" STEP system is a combination of Static Head, Friction Head, and the Operating Pressure.
- A.
  
  True
- B.
  
  False
15.

The design of the motor bearings and the use of PSC motors are just two of the reasons that Little Giant effluent pumps are so dependable.
- A.
  
  True
- B.
  
  False
16.

Little Giant sewage pumps typically have an open inlet are designed to pass up to 2" solids.
- A.
  
  True
- B.
  
  False
17.

When sizing a sewage pump, the pump capacity (flow) required is determined by the fixture unit method or the required scouring velocity flow of the system, whichever is greater.
- A.
  
  True
- B.
  
  False
18.

The TDH in a typical sewage ejector system that is discharging into a gravity sewer is a combination of the static head, friction head, and the operating pressure.
- A.
  
  True
- B.
  
  False
19.

At a minimum, a typical sewage ejector package will include a sewage pump, float switch, basin with cover, and a check valve.
- A.
  
  True
- B.
  
  False
20.

The 24" x 24" Pit Plus Jr. has a total capacity of 40 gallons.
- A.
  
  True
- B.
  
  False
21.

Alarms for sump and sewage systems alert the user of a high water condition in the basin.
- A.
  
  True
- B.
  
  False
22.

The "RS" version of the air operated diaphragm switch is commonly used in effluent and sewage ejector systems.
- A.
  
  True
- B.
  
  False
23.

When choosing a control panel, it is important to match the amp range of the control panel with the amp rating of the pump.
- A.
  
  True
- B.
  
  False
24.

In a four-float duplex sewage ejector package, the best float location configuration is to have the alarm float mounted in the uppermost position inside the tank.
- A.
  
  True
- B.
  
  False
25.

When determining the required basin depth in a system located outside the home or business, one of the considerations should be the frost line of the area in which it is installed.
- A.
  
  True
- B.
  
  False