Surname Other names
Centre Number Learner Registration Number
Pearson BTEC
Level 3
Engineering
Unit 1: Engineering Principles
Thursday 25 January 2018 – Morning Paper Reference
Time: 2 hours 31706H
You must have: Total Marks
Information booklet of formulae and constants
Ruler, protractor, pencil and calculator
Instructions
• Use black ink or ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and learner registration number.
• Answer allthequestions.
Answer
• – there may bequestions in the spaces provided
more space than you need.
Information
• The total mark for this paper is 80.
• –Theusemarks for each question are shown in brackets
this as a guide as to how much time to spend on each question.
• You may use a non-programmable calculator that does not have the facility
for symbolic algebraic manipulation or allow the storage and retrieval of
mathematical formulae.
Advice
• Read each question carefully before you start to answer it.
• Try to answer every question and show your working.
• your answers if you have time at the end.
Check
Turn over
*P51810RA0120*
P51810RA
©2018 Pearson Education Ltd.
1/1/1/1/1/1/1/1/1/1/1/1/1/1/1/1
, SECTION A
SECTION A: Applied Mathematics
Answer ALL questions. Write your answers in the spaces provided.
The total time spent machining components is represented by the equation of a straight
line:
Total time (in minutes) = 3n + 5
where n is the number of components.
1 Draw a straight line graph to represent the time spent machining up to 5 components.
You should include labels and axis values on your graph.
(Total for Question 1 = 4 marks)
2
, The image shows a steel wedge in the shape of a triangle.
Front face
30 mm
50 mm 5 mm
Diagram not to scale
2 (i) Calculate the area of the front face of the wedge.
(2)
Answer
................................ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(ii) Calculate the volume of the wedge.
(2)
Answer
................................ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(Total for Question 2 = 4 marks)
3