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Guide for Machinist Practice Test

Quiz Machinist Practice Test

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Quiz

1/10
Computer Numerical Control Machines
Sentence completion: In a CNC program, the G-code command used to establish rapid, non-cutting positioning is _____.
Select the answer
1 correct answer
A.
G01
B.
G00
C.
G02
D.
G03

Quiz

2/10
Metallurgy and Heat Treatment
Sentence completion: After hardening a medium-carbon steel part, tempering is performed primarily to ______.
Select the answer
1 correct answer
A.
reduce brittleness while retaining useful hardness
B.
increase carbon content at the surface
C.
melt and remove unwanted inclusions
D.
convert the steel completely to a nonferrous alloy

Quiz

3/10
Computer Aided Design and Manufacturing
In parametric CAD, a ______ dimension controls the size or location of geometry and causes dependent features to update when it changes.
Select the answer
1 correct answer
A.
Driving dimension
B.
Reference dimension
C.
Displayed measurement
D.
Construction line

Quiz

4/10
Machine Tools
On a conventional engine lathe, the component that supports the free end of a long workpiece and can hold a drill chuck is the _____.
Select the answer
1 correct answer
A.
Tailstock
B.
Compound rest
C.
Apron
D.
Steady rest

Quiz

5/10
Metrology, Coaching, & Governance
Before a final inspection result is released, the measuring instrument should be verified as ______.
Select the answer
1 correct answer
A.
calibrated and within its approved calibration interval
B.
newly purchased, regardless of its calibration status
C.
set to the largest scale range available
D.
stored beside the machine for convenient access

Quiz

6/10
Safety and Measurement
Before measuring a precision bore with an inside micrometer, the machinist should first ______.
Select the answer
1 correct answer
A.
apply cutting oil to the bore and measure immediately
B.
remove chips and burrs, then verify the instrument is clean
C.
tighten the micrometer until the spindle locks against the surface
D.
heat the workpiece slightly so its size remains stable

Quiz

7/10
Trade Mathematics
Complete the calculation: A right-triangular layout has legs measuring 3 cm and 4 cm. The hypotenuse is _____.
Select the answer
1 correct answer
A.
5 cm
B.
6 cm
C.
7 cm
D.
12 cm

Quiz

8/10
Computer Numerical Control Machines
During a turning operation, the tool is programmed to move toward the chuck while the spindle rotates clockwise as viewed from the tailstock. The machinist notices that the tool begins moving away from the work instead. Before changing the program, the most appropriate first check is to verify the machine's _____ .
Select the answer
1 correct answer
A.
coolant concentration
B.
work coordinate offset and axis direction
C.
toolholder colour code
D.
tailstock quill diameter

Quiz

9/10
Metallurgy and Heat Treatment
A shop receives a hardened steel shaft that is too brittle for service. The machinist wants to improve toughness without completely losing the shaft's useful hardness. Which treatment sequence best addresses the problem?
Select the answer
1 correct answer
A.
Heat it above the melting point and allow it to solidify slowly
B.
Temper the hardened shaft at a controlled subcritical temperature
C.
Quench it repeatedly in water without reheating
D.
Carburize the entire shaft after machining

Quiz

10/10
Computer Aided Design and Manufacturing
A machinist receives a solid model and creates a toolpath for a three-axis milling operation. Before sending the program to the machine, the programmer must convert the CAM toolpath into code tailored to the specific CNC control. Which CAM function performs this conversion?
Select the answer
1 correct answer
A.
Feature recognition
B.
Tool library management
C.
Post-processing
D.
Stock definition
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Info quiz:

  • Quiz name:Machinist Practice Test
  • Total number of questions:35
  • Number of questions for the test:100
  • Pass score:70%
  • Number of topics:7 Topics
Study topics:Number of questions:
  • Computer Aided Design and Manufacturing:5 Questions
  • Computer Numerical Control Machines:5 Questions
  • Machine Tools:5 Questions
  • Metallurgy and Heat Treatment:5 Questions
  • Metrology, Coaching, & Governance:5 Questions
  • Safety and Measurement:5 Questions
  • Trade Mathematics:5 Questions

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