EXERCISE NO. 1 - HAND TOOLS -SPANNERS AND WRENCHES
NAME: Mark out of 30 Marks:
PART 1- THEORY
(2 Marks each)
Each of the following statements may be completed in a number of different ways. Circle the letter or letters of each answer that can correctly complete the statement in each of the following cases.
1. Steel pipes are turned with:
(a) 'Stillson' pipe wrenches
(b) Tension wrenches
(c) Shifters
(d) None of these wrenches
2. Square nuts can be tightened with:
(a) Twelve point ring spanners
(b) Six point socket spanners
(c) 'C' spanners
(d) None of these spanners
3. To undo a tight nut It is best practice to pull on a spanner with the handle cranked position:
(a) Away from your body
(b) With your foot
(c) Towards your body
(d) With heavy hammer blows
4. In the use of 'footprint' pipe wrenches, simple mechanical principles that are applied include:
(a) The principle of levers
(b) The principle of wedges
(c) The principle of turning moments
(d) All of these principles
5. For turning nuts that measure 3/4" across the flats, use spanner marked:
(a) 3/4 W
(b) 75 AF
(c) 75 mm
(d) 50 mm
PART 2 - IDENTIFICATION
(2 Marks each)
1 Name each hand tool shown on the following pages by putting the number of the correct name in the brackets next to the hand tool.
| Ball peen hammer |
( ) |
Combination pliers |
( ) |
|
| Stillson pipe wrench |
( ) |
Socket extension bar |
( ) |
|
| Double end ring spanner |
( ) |
Pin punch |
( ) |
|
| Hook or C spanner |
( ) |
Half moon ring spanner |
( ) |
|
| Torque wrench |
( ) |
Multi-grips |
( ) |
|
| Long nose pliers |
( ) |
Crows foot spanner |
( ) |
|
| Double open end spanner |
( ) |
Allen key |
( ) |
|
| Circlip pliers |
( ) |
Standard socket |
( ) |
|
| Single open end spanner |
( ) |
Adjustable/shifting spanner |
( ) |
|
| Diagonal cutting/side cutting pliers |
( ) |
Combination open end and ring spanner |
( ) |
