MECHANICAL EXAM TECHNOLOGIST
GRADE 1 FINAL SCRIPT 2026 MECHANICAL
SYSTEMS QUESTIONS ANSWERS
COMPLETE A+
◉ Radial runout is , and Axial runout is ?
Answer: Eccentricity and Wobble
◉ What is a characteristic of a punch or chisel that could be
dangerous?
Answer: A mushroomed head
◉ What is the main cause of boiler failure?
Answer: Overpressurized/ Overheating
◉ What is the psi per foot of head pressure?
Answer: 2.31
◉ What is the order for tapping a new thread?
Answer: Taper
Plug
, Bottom
◉ Why would you use a rubber mallet as opposed to a regular
hammer or sledge?
Answer: Not to damage what you are striking
◉ What is the device used to properly heat a bearing?
Answer: Inductive Heater
◉ What is the proper tool to install a bearing on a shaft?
Answer: A press
◉ What causes Iron to rust?
Answer: Moisture/Oxidation
◉ What is the minimum Oxygen level for safe air quality?
Answer: 19.5%
◉ What is corrosive to concrete and metal?
Answer: H2S Hydrogen Sulfide
◉ What is not considered a confined space characteristic?
GRADE 1 FINAL SCRIPT 2026 MECHANICAL
SYSTEMS QUESTIONS ANSWERS
COMPLETE A+
◉ Radial runout is , and Axial runout is ?
Answer: Eccentricity and Wobble
◉ What is a characteristic of a punch or chisel that could be
dangerous?
Answer: A mushroomed head
◉ What is the main cause of boiler failure?
Answer: Overpressurized/ Overheating
◉ What is the psi per foot of head pressure?
Answer: 2.31
◉ What is the order for tapping a new thread?
Answer: Taper
Plug
, Bottom
◉ Why would you use a rubber mallet as opposed to a regular
hammer or sledge?
Answer: Not to damage what you are striking
◉ What is the device used to properly heat a bearing?
Answer: Inductive Heater
◉ What is the proper tool to install a bearing on a shaft?
Answer: A press
◉ What causes Iron to rust?
Answer: Moisture/Oxidation
◉ What is the minimum Oxygen level for safe air quality?
Answer: 19.5%
◉ What is corrosive to concrete and metal?
Answer: H2S Hydrogen Sulfide
◉ What is not considered a confined space characteristic?
