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JS3 Basic Tech. 3rd Test -Second Term
Contributed by: Afeez Adesina
  • 1. 1. The following are major components of lathe machines
A) Tailstock
B) Wool
C) Headstock
D) Carriage
  • 2. 2. Which of the following is not in the category of operations that are commonly performed on the lathe machines?
A) Steaming
B) Cutting
C) Turning
D) Facing
  • 3. 3. The operation that is used to produce flat surfaces on lathe machines is called ----------
A) Facing
B) Drilling
C) Turning
D) Knurling
  • 4. 4. An operation which involves cutting threads on a workpiece is known as --------
A) Deep cutting
B) Screw cutting
C) Pain cutting
D) Lateral cutting
  • 5. 5. Which of the following machines is most suitable for marking holes in a workpiece?
A) Drill press
B) Forge press
C) Air press
D) Mill press
  • 6. 6. The following are types of grinding machines except ----------
A) Surface grinder
B) Bench grinder
C) Plain grinder
D) Belt grinder
  • 7. 7. The coolant which helps to reduce distortion, power consumption, improve surface finish and protects against corrosion of the workpiece is called ----
A) Milling gas
B) Sprinkler fluids
C) Grinding powder
D) Cutting fluid
  • 8. 8. The machine that can be used to cut workpieces with coarse tooth hacksaw blades is called ------
A) Turning machine
B) Chamfering machine
C) Power sawing machine
D) Screw machine
  • 9. 9. Forging can be classified into the following except.....
A) Warm forging
B) Cloudy forging
C) Hot forging
D) Cold forging
  • 10. 10. The types of folding machines include the following except -----
A) Knot folder
B) Knife folder
C) Paper folder
D) Buckle folder
  • 11. 11. The series of operations that transform industrial materials from a raw material state into a finished product state is called
A) Pre-cut
B) Feller bunching
C) Material processing
D) Quarter sawn
  • 12. 12. The key concept of timber processing includes the following except -------
A) Treatability
B) Growth and felling
C) Seasoning
D) Conversion
  • 13. 13. One of the following is not a process in timber felling.
A) Limbing
B) Bucking
C) Knitting
D) Skidding
  • 14. 14. ------ and ------ are the two methods of timber seasoning
A) Limbing and bucking seasoning
B) Natural and artificial seasoning
C) Limbing and skidding seasoning
D) Plain and quarter seasoning
  • 15. 15. In the conversion of timber, the method that produces radial boards and far more expensive than the tangential timber because of the need to double handle the log is known as --------
A) Plain and edge sawn
B) Quarter sawn
C) Curved sawn
D) Through and through sawn
  • 16. 16. Drying process that involves the introduction of heat is ------
A) Kiln drying
B) Hot drying
C) Solar Energy drying
D) Temperate drying
  • 17. 17. The most common treatment process is known as -----
A) Pressure treatment
B) Temple treatment
C) Deliberate treatment
D) Temperature treatment
  • 18. 18. One of the following is not a preservative for timber.
A) Envelope treatment
B) Folder treatment
C) waterborne preservatives
D) Light organic solvent-borne preservatives
  • 19. 19. Defects due to insects and other animals include the following except ----------
A) Insects
B) Warping
C) Birds and mammals
D) Marine borer
  • 20. 20. One of the following is not a defect due to conversion.
A) Miscut
B) Machine notches
C) Case hardening
D) Boxed heart
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