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WorksheetsUnit 302 Level 3 Engineering principles
Total questions: 20
Worksheet time: 10mins
Q1 Referring to the table shown below, what is the correct drill size for tapping an M20 thread?
A) 2.50
B) 22.25
C) 17.50
D) 19.50
What is the most appropriate method to clearly show relative data sizes?
A) Pie chart.
B) Gantt chart.
C) Bar graph.
D) Line graph.
Which is the most appropriate type of engineering drawing for representing a three dimensional component?
A) A rough sketch.
B) An isometric projection.
C) An orthographic projection.
D) A production pattern.
Which heat treatment process produces steel in its most malleable condition?
A) Annealing.
B) Hardening.
C) Normalising.
D) Tempering.
What type of indenter is used in a Brinell hardness test?
A) Hardened diamond pyramid.
B) Hardened steel ball.
C) Hardened diamond cone.
D) Hardened 1.6 mm diameter steel ball.
What process enhances the corrosion resistance of aluminium by thickening its oxide layer?
A) Phosphating.
B) Tin plating.
C) Galvanising.
D) Anodising.
What type of loading stress results in fatigue failure?
A) Tensile.
B) Bend.
C) Cyclic.
D) Compressive.
Which testing method is used to determine the ductility of a material?
A) Tensile.
B) Indentation.
C) Toughness.
D) Fatigue.
What is the ISO unit for energy?
A) Candela.
B) Newton.
C) Watt.
D) Joule.
A steel block sitting on a steel plate requires 12.5 N to move it across the plate. If the normal force between the block and the plate is 60 N, calculate the coefficient of friction (µ).
A) 750
B) 47.5
C) 4.8
D) 0.208
What is the Sin for the angle indicated by ∝ on the drawing?
A) 0.60
B) 0.75
C) 0.80
D) 1.6
What is the length of the missing side of the triangle shown?
A) 2.93
B) 4.27
C) 6.12
D) 8.60
The formula for a straight line graph is y = mx + c. Identify c for the following graph.
A) -3
B) 0
C) 1
D) 3
What term defines the moment of force applied when using a tap wrench?
A) Torque.
B) Threading.
C) Tapping.
D) Couple.
Copper has a coefficient of linear expansion value of 17 x 10-6 K-1 . If a 3 metre length of copper bar has its temperature raised by 30 K, how many millimetres will it expand?
A) 1.53
B) 0.51
C) 0.153
D) 0.051
A quality product is best described as..
A) expensive
B) fit for purpose
C) a well known brand
D) having a three year warranty
Why should an organisation undertake regular calibration of measuring equipment?
A) To ensure the accuracy of the measuring tools.
B) To ensure all measuring tools are stored correctly.
C) To ensure correct measuring methods.
D) To ensure training records are maintained.
What inspection method should be used to ensure a process is correct before production starts?
A) Goods inward inspection.
B) Final inspection.
C) First off inspection.
D) Random inspection.
Following a final inspection, a number of components do not meet the required standard. What should happen to the production process?
A) Increase production to meet targets.
B) Continue, but quarantine faulty products.
C) Continue to run until the end of the shift.
D) Stop until the defect can be eliminated.
The ISO 9000 standards provide guidance for organisations to implement which internal process?
A) Marketing and sales strategy.
B) Customer feedback system.
C) Quality Management System (QMS).
D) Continuous Professional Development (CPD).
