Free CMfgT Practice Questions
10 free, exam-style Certified Manufacturing Technologist (CMfgT) practice questions with answers and
explanations. No signup required. Work through them below, then take the
full free CMfgT practice test to study every exam domain.
Question 1
A manufacturing cell operates one 8-hour shift per day. After subtracting two 15-minute breaks and a 30-minute lunch, customer demand is 180 units per day. What is the takt time?
- 2.67 minutes per unit
- 2.33 minutes per unit
- 2.50 minutes per unit
- 1.85 minutes per unit
Show answer & explanation
Correct answer: C - 2.50 minutes per unit
Question 2
A process has an upper specification limit (USL) of 50.0 mm, a lower specification limit (LSL) of 48.0 mm, a process mean (x̄) of 49.4 mm, and a standard deviation (σ) of 0.25 mm. What is the Cpk of this process?
- 1.33
- 0.80
- 1.87
- 1.07
Show answer & explanation
Correct answer: B - 0.80
Question 3
An electrical connector is designed with an asymmetric shape so that it can only be inserted in the correct orientation. This is an example of:
- Kanban
- Heijunka
- Poka-yoke
- Jidoka
Show answer & explanation
Correct answer: C - Poka-yoke
Question 4
A turning operation is to be performed on a workpiece with a diameter of 4.0 inches. The recommended cutting speed for the material and tool combination is 400 surface feet per minute (SFM). What spindle speed (RPM) should be used?
- 191 RPM
- 382 RPM
- 764 RPM
- 524 RPM
Show answer & explanation
Correct answer: B - 382 RPM
Question 5
A CNC milling program contains the following block: N040 G91 G01 X1.500 Y-2.000 F12.0. If the tool is currently at position X3.000, Y5.000, what will the tool's position be after this block executes?
- X1.500, Y-2.000
- X4.500, Y3.000
- X1.500, Y7.000
- X4.500, Y2.000
Show answer & explanation
Correct answer: B - X4.500, Y3.000
Question 6
A manufacturer needs to produce 200,000 identical small zinc alloy housings per year with tight dimensional tolerances and thin walls. Which casting process is MOST appropriate?
- Sand casting
- Investment casting
- Die casting
- Centrifugal casting
Show answer & explanation
Correct answer: C - Die casting
Question 7
A quality technician needs to inspect a ferromagnetic steel weldment for surface and near-surface cracks without damaging the part. Which non-destructive testing method is MOST appropriate?
- Liquid penetrant testing
- Magnetic particle testing
- Ultrasonic testing
- Infrared thermography
Show answer & explanation
Correct answer: B - Magnetic particle testing
Question 8
In geometric dimensioning and tolerancing (GD&T), the Maximum Material Condition (MMC) modifier applied to a feature of size means the tolerance applies when the feature contains:
- The least amount of material (largest hole, smallest shaft)
- The most amount of material (smallest hole, largest shaft)
- Any amount of material within the size tolerance
- Material at the nominal dimension only
Show answer & explanation
Correct answer: B - The most amount of material (smallest hole, largest shaft)
Question 9
According to the OSHA hierarchy of controls, which of the following is the MOST effective method for protecting workers from a workplace hazard?
- Providing personal protective equipment (PPE)
- Implementing administrative controls such as job rotation
- Installing engineering controls such as machine guarding
- Eliminating the hazard entirely from the process
Show answer & explanation
Correct answer: D - Eliminating the hazard entirely from the process
Question 10
A manufacturing team is preparing to launch a new assembly process. They want to systematically identify what could go wrong at each process step, assess the severity and likelihood of each potential failure, and prioritize actions before production begins. Which quality and improvement tool is MOST appropriate?
- Root Cause Analysis (RCA)
- Process Failure Mode and Effects Analysis (PFMEA)
- Statistical Process Control (SPC)
- Pareto Analysis
Show answer & explanation
Correct answer: B - Process Failure Mode and Effects Analysis (PFMEA)