Holding Tools

19 Grade 9 Pre-Technical Studies questions on Holding Tools, with worked marking schemes. 19 questions are available on this topic in full.

1. Question 1

   5 marks

   Compare a bench vice and a G-clamp as holding tools. (a) State one similarity. (1 mark) (b) State two differences between them. (4 marks)

   (5 marks)

   Marking scheme

   (a) Similarity (1 mark): both are used to grip/hold a workpiece firmly in position while it is being worked on. (b) Any two differences, well stated (2 marks each): a bench vice is permanently bolted/mounted on the bench while a G-clamp is portable and can be used anywhere; a vice is generally larger and heavier while a G-clamp is smaller and lighter; a vice holds one workpiece against the bench while a G-clamp is often used to hold two pieces together; a vice is opened/closed with a handle and screw while a G-clamp is tightened with a threaded screw and swivel shoe.

2. Question 2

   1 mark

   A pair of pliers used specifically for gripping in tight or deep spaces where the jaws must reach far is the:

   A. Combination pliers

   B. Locking pliers

   C. Slip-joint pliers

   D. Long-nose (needle-nose) pliers

   (1 mark)

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3. Question 3

   1 mark

   While assembling a wooden joint in the workshop, a Grade 9 learner needs a tool to firmly hold two pieces of wood together while the glue sets. Which holding tool is MOST suitable for this task?

   A. A try square

   B. A G-clamp

   C. A tenon saw

   D. A marking gauge

   (1 mark)

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4. Question 4

   5 marks

   In a school workshop, learners use various holding tools. (a) State the meaning of a holding tool. (2 marks) (b) Give three examples of holding tools found in a workshop. (3 marks)

   (5 marks)

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5. Question 5

   1 mark

   Kamau needs to firmly hold a piece of wood on the bench so he can plane it. The most suitable holding tool is a:

   A. Bench vice

   B. Hacksaw

   C. Screwdriver

   D. Tape measure

   (1 mark)

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6. Question 6

   4 marks

   A learner is about to plane a smooth wooden board held in a bench vice. (a) State two safety precautions the learner should observe when using the vice. (2 marks) (b) Explain why soft jaw covers should be fitted before clamping the finished board. (2 marks)

   (4 marks)

   Marking scheme

   (a) Any two (1 mark each): ensure the workpiece is firmly gripped before starting; do not overtighten the vice; keep hands clear of moving jaws; use the correct size of vice; ensure the vice is firmly bolted to the bench. (b) Soft jaw covers prevent the hard metal jaws from denting, bruising or marking the smooth/finished surface of the board, so the quality of the finished work is preserved (2 marks).

7. Question 7

   1 mark

   To protect a smooth, finished workpiece from being dented by the metal jaws of a vice, a learner should:

   A. Remove the vice handle

   B. Wet the workpiece first

   C. Fit soft jaw covers (clamps/pads) over the jaws

   D. Tighten the vice as hard as possible

   (1 mark)

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8. Question 8

   1 mark

   A holding tool that has adjustable jaws and can be locked in position to grip a workpiece like an extra hand is a pair of:

   A. Tin snips

   B. Bradawl

   C. Vice-grip (locking) pliers

   D. Wire strippers

   (1 mark)

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9. Question 9

   1 mark

   A metalwork learner needs to hold a metal rod steady while filing it. Which holding device fixed to the bench is MOST suitable for gripping the rod firmly?

   A. A mallet

   B. A bench vice

   C. A hacksaw

   D. A scriber

   (1 mark)

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10. Question 10

    1 mark

    During a workshop lesson, the teacher tells learners that holding tools are used to:

    A. Apply paint to a surface

    B. Generate electricity for machines

    C. Grip, clamp or steady a workpiece while it is being worked on

    D. Measure the length of timber accurately

    (1 mark)

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11. Question 11

    1 mark

    Which of the following pairs of tools are BOTH holding tools?

    A. Bench vice and G-clamp

    B. Hammer and saw

    C. Drill and file

    D. Ruler and pencil

    (1 mark)

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12. Question 12

    6 marks

    A learner in the school workshop is fabricating a metal bracket and needs to grip a small workpiece firmly while filing it.

    (a) Name the holding tool the learner should fasten to the workbench for this task. (2 marks)

    (b) State TWO precautions the learner should take when using this tool to hold the workpiece. (4 marks)

    (6 marks)

    Marking scheme

    (a) The learner should use a bench vice (engineer's vice) fastened to the workbench. (2 marks) (b) Precautions (any TWO, 2 marks each): - Fit soft jaw clamps/fibre or copper liners over the vice jaws to avoid marking or damaging the finished surface of the workpiece. - Position the workpiece low and centrally in the jaws and tighten firmly so it does not slip or vibrate during filing. - Tighten the jaws gradually using the handle by hand only; do not over-tighten or extend the handle with a pipe, as this can damage the workpiece or strip the thread/crack the jaws.

13. Question 13

    6 marks

    A learner in the school workshop is assembling a wooden stool and needs to grip several small metal and wooden parts firmly while joining them.

    (a) State the main function of holding tools in the workshop. (2 marks)

    (b) Name TWO examples of holding tools the learner could use for this task. (2 marks)

    (c) Give ONE precaution the learner should observe when using a bench vice to hold a workpiece. (2 marks)

    (6 marks)

    Marking scheme

    (a) Holding tools are used to grip, hold or clamp a workpiece firmly and securely in position so that operations such as cutting, filing, drilling or joining can be carried out accurately and safely without the work moving. (2 marks) (b) Any TWO of: bench vice, G-clamp (C-clamp), pliers, pincers, hand vice, pipe wrench/vice. (1 mark each = 2 marks) (c) Any ONE of: place soft jaw covers (clamps) over the vice jaws to avoid damaging/marking the workpiece; tighten the vice firmly but do not over-tighten so as to crush the work; ensure the workpiece is held low and close to the jaws to prevent vibration; do not hammer or extend the handle to force extra grip. (2 marks)

14. Question 14

    1 mark

    A learner needs to hold two pieces of glued wood tightly together until the glue dries. The best holding tool for this is a:

    A. Marking gauge

    B. Chisel

    C. G-clamp

    D. File

    (1 mark)

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15. Question 15

    1 mark

    Which safety practice should a learner observe when using a bench vice?

    A. Overtighten until the handle bends

    B. Oil the workpiece before clamping

    C. Ensure the workpiece is firmly gripped before working on it

    D. Stand far away while turning the handle

    (1 mark)

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16. Question 16

    1 mark

    A learner needs to grip a small metal workpiece firmly on the bench while filing it so that both hands are free to work. Which holding tool is most appropriate for this task?

    A. A tape measure

    B. A try square

    C. A mallet

    D. A bench vice

    (1 mark)

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17. Question 17

    6 marks

    Mwangi notices that the bench vice in the workshop is stiff to open and has rust on the screw. (a) State two ways of maintaining a bench vice. (2 marks) (b) Explain two consequences of failing to maintain holding tools. (4 marks)

    (6 marks)

    Marking scheme

    (a) Any two (1 mark each): clean after use; oil/lubricate the screw and moving parts; store in a dry place; avoid overtightening; fit soft jaws to protect the jaws. (b) Any two, explained (2 marks each): rust/corrosion develops, making the tool stiff or unusable; the tool may fail or slip during use causing accidents/injury; poor grip leads to inaccurate or spoilt work; the working life of the tool is shortened, increasing replacement cost.

18. Question 18

    1 mark

    To grip a small round metal rod while filing it, the most appropriate holding tool is a:

    A. Mallet

    B. Spirit level

    C. Try square

    D. Pliers

    (1 mark)

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19. Question 19

    1 mark

    Before storing a metalworking bench vice at the end of a lesson, the jaws should be:

    A. Cleaned, lightly oiled and left slightly open

    B. Painted a new colour

    C. Removed and thrown away

    D. Left dirty to save time

    (1 mark)

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