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WorksheetsTheory Quiz (DPV10253) - Chapter 2
Total questions: 20
Worksheet time: 15mins
There are list of marking out tools when doing benchwork activity. EXCEPT.
Steel Ruler
Vernier High Gauge
Center Punch
Scriber
Filling
There are some methods to take the measurement by using steel ruler. Select TWO (2) correct technique used to measure it?
For the beginning, you have a piece of steel and want to mark a design based on dimension from technical drawing. Which tool that you need to mark line on work piece.
That figure shows vernier height gauge that can measure the height of component, using surface table as datum. Which ONE (1) is not the working technique for that tool?
Set the work piece with its reference surface on the surface plate
Set dimension on the surface plate as datum.
Use oil stone to sharpening the needle point if necessary
Draw marking line by moving the vernier height gauge smoothly on the work piece
Sawing is one of procedure to cut a workpiece. Before we start sawing, state TWO (2) preparation that you to do before start that job?
Make sure you select the right blade of saw
Select the right type of saw based on material of workpiece
The workpiece is to be clamped so that the sawing cut is always vertical.
Sawing smoothly with the right position body posture
Which type of saw that used for cutting arbitrary curves and more artistic fashion than other saws
Files is used to shape the workpiece accurately to achieve smooth surface. Select TWO (2) classification of files that shows the difference between them.
Dimension
Roughness of teeth
Shape
Colour
State TWO (2) steps to keep the tidiness of working area.
Store measuring tools in the measuring tray
Drill machine stay oily
Take all tool in one cabinet messily
Remove stubborn filings with the filing brush
What operation used to remove burr in one workpiece?
Sawing
Drilling
Filling
Grinding
Which machining operation usually performed with a rotating cylindrical tool which has two cutting edges on its working end?
Bend Saw
Drill machine
Power saw
Universal Cutter
Machining operations related to drilling using various drill bits. Which drill bit usage for tapping operation?
List TWO (2) basic categories of screw threads?
Which provide a coupling
which provide divergent
which transmit motion
which transmit force
Define the operation of tapping method?
The cutting of thread grooves in the work piece using a multi cutting-edged tool with a particular cutting edge shape
Rotated by hand about its longitudinal axis.
Drilled a suitable hole, select a suitable tap wrench and tighten it
That figure shows the tapping work process. State that procedure appropriately.
Drilling>taper>plug>bottoming
Drilling>countersinking>taper>plug>bottoming
Countersinking>taper>plug>bottoming
Calculate the values of core diameter for M10?
8 mm
8.25 mm
8.50 mm
9 mm
State TWO (2) function of a lubricant is used in hand tapping?
Increase tap life
Remove burr
Chip removal
Make material more shining
What is the function of the backward movement of the tap?
To break up the cuttings
To break up case the next forward turn
To break up the cuttings and case the next forward turn
Name the tool use to turn the tap in hand tapping?
File
Hand Tap
Tapping machine
marker
What is the purpose of Counterboring?
Used to open out holes
Used to close out holes so that screw heads can be accommodated flush with the work piece surface.
Used to open out holes so that screw heads can be accommodated flush with the work piece surface.
What is the purpose of reaming?
Precise finishing of bore holes
Production of tapered
Fitting bore holes, compensation for offset rivet holes.
All of that above
