Study Guide 2024 || VERIFIED QUESTIONS & 100% CORRECT
ANSWERS || GUARANTEED PASS
Description: This complete study guide for the CWEA
Mechanical Technologist Grade 1 Exam (2024 edition) provides
100% verified questions and answers. It covers mechanical
maintenance, pump systems, safety, lubrication, and
wastewater treatment equipment. Ideal for professionals
pursuing CWEA certification.
Keywords: CWEA mechanical technologist Grade 1 certification
mechanical maintenance wastewater treatment pump systems
lubrication systems equipment operation safety procedures
CWEA study guide certification exam prep
Section 1: Safety Procedures (Questions 1-15)
1. What is the primary purpose of Lockout/Tagout (LOTO) procedures?
a) To speed up maintenance work
b) To safeguard employees from the unexpected energization or startup of machinery
c) To improve equipment efficiency
d) To document maintenance history
Answer: b) To safeguard employees from the unexpected energization or startup of machinery
2. Before entering a confined space, such as a wet well or digester, what is a REQUIRED
action?
a) Inform a coworker of your plans
b) Complete a permit and test the atmosphere for hazardous gases
,c) Wear a hard hat and safety glasses
d) Have a fire extinguisher nearby
Answer: b) Complete a permit and test the atmosphere for hazardous gases
3. Which class of fire involves energized electrical equipment?
a) Class A
b) Class B
c) Class C
d) Class D
Answer: c) Class C
4. The primary hazard associated with hydrogen sulfide (H₂S) in wastewater plants is:
a) Fire
b) Asphyxiation and toxicity
c) Corrosion to metal
d) It is highly flammable
Answer: b) Asphyxiation and toxicity
5. Personal Protective Equipment (PPE) for handling chemicals typically includes:
a) Just safety glasses
b) Gloves, goggles, and a face shield as needed
c) Steel-toed boots only
d) A hard hat and hearing protection
Answer: b) Gloves, goggles, and a face shield as needed
6. A "Near Miss" should be:
a) Ignored if no one was hurt
b) Reported and investigated to prevent future incidents
c) Discussed only with your immediate supervisor
d) Considered a successful safety day
Answer: b) Reported and investigated to prevent future incidents
7. The "Danger Zone" for atmospheric monitoring in a confined space is typically an oxygen
level below:
a) 21.0%
b) 19.5%
c) 18.0%
d) 15.0%
Answer: b) 19.5%
, 8. The correct way to lift a heavy object is to:
a) Lift with your back, keeping your legs straight
b) Lift with your legs, keeping your back straight
c) Twist your torso while lifting
d) Lift quickly in one jerking motion
Answer: b) Lift with your legs, keeping your back straight
9. MSDS (Material Safety Data Sheets) are now known as:
a) MDS
b) Safety Data Sheets (SDS)
c) Chemical Hazard Sheets
d) COSHH Sheets
Answer: b) Safety Data Sheets (SDS)
10. The purpose of a machine guard is to:
a) Make the machine look more professional
b) Prevent contact with moving parts
c) Reduce machine noise
d) Serve as a step for operators
Answer: b) Prevent contact with moving parts
11. In case of a chemical splash to the eyes, you should immediately:
a) Rub your eyes vigorously
b) Go to the supervisor's office
c) Flush eyes at an emergency eyewash station for at least 15 minutes
d) Apply a neutralizing chemical
Answer: c) Flush eyes at an emergency eyewash station for at least 15 minutes
12. A hot work permit is generally required for which of the following activities?
a) Using a computer
b) Welding, grinding, or cutting
c) Lubricating a pump
d) Taking a water sample
Answer: b) Welding, grinding, or cutting
13. The color code for safety information and emergency equipment (e.g., eyewash stations)
is typically:
a) Red
b) Yellow
c) Green