Engineering Science N2 — Document
April 2020 — N2 — Engineering Science
N2
2020
Nated Engineering
Preparing document
📋 Document Analysis
See full analysis
Questions — A Preview of What to Expect in the Document
60
This section provides a quick preview of questions from the document. It may not display every question or the complete wording of each one. For the full content, including diagrams, tables and other information, view the original PDF above.
4.3The formula used or the manipulation thereof The substitution of the given data in the formula The answer together with the correct SI unit The following values must be used in this question paper, whenever
Q1— Section header —
1.1Various options are given as possible answers to the following questions Choose the answer and write only the letter (A D\ next to the question number (1.1.1
1.1.3in the AN WER BOOK and justify your answer.
1.1.1he equation is used n kinetics hich one of the following quantities is represented by the product
1.1.2The area under the graph the velocity time graph represents displacement.
1.1.3If the acceleration of a moving car is for
1.2.1Calculate the displacement of the car What is t he stopping distance the car? (3\
1.3A girl drops a to hit the surface of the water alculate the velocity of the ball as it hits the surface of the water. (2\ [15]15
Q2— Section header —
2.1Define a couple. (2\
2.2Give TWO examples of couples. (2\
2.3Two force of 9 N each make up the pair of forces of an approximate couple. If the moment is 16 Nm, calculate how far the forces are apart. (2\
2.4The horizontal component of a force applied at 22 with the horizontal has a magnitude of 69.539N.Calculate the magnitude of this force and its vertical component. USE GIVEN DATA FOR ALL YOUR CALCULATIONS.
Q3— Section header —
3.1The potential energy of the object at point A. (3\
3.2locity of the object at point B. (3\
3.3Momentum of the object at point B. (1\ [7]7
Q4— Section header —
4.1A force/distance graph is shown below. A machine with a load of 600 800 F(N\ 20 50 Calculate the following:
4.1.1Weight of the chain in from the graph (1\
4.1.2ork to be done in hoisting the chain alone when only 40m of the chain is still to be hoisted. (3\
4.1.3The total p ower required in hoisting the load and the chain when the load from the bottom for the remainder of the chain length and the velocity is
4.2.1The force applied at the circumference of the tyre.
4.2.210
Q5— Section header —
5.1Give THREE applications of belt drives (3\
5.2What is the advantage of using a lifting device (1\
5.3The following data refers to a belt drive which has been used to transport coal: The force in the tight side of the belt is The tension ratio between the tight side and the slack side is The diameter of the drivin
5.3.1Velocity of the belt (2\
5.3.2Tension in the slack side the belt (2\
5.3.3Power transmitted by the belt (3\
5.4A hoisting device is used to pull the engine with a mechanical efficiency of and effort distance is and the load distance is Calculate the following:
5.4.1Velocity ratio of the device
5.4.2Mechanical advantage of the device
5.4.317
Q6— Section header —
6.1How many bars is 720mm Hg if the density is 13600kg/m Assume 1bar
6.2An object of to the horizontal. The coefficient of friction between the object and the incline is Calculate the following:
6.2.1Weight component parallel to the incline plane (2\
6.2.2Weight component perpendicular to the incline plane (2\
6.2.3External force required to pull the object up the incline [9]9
Q7— Section header —
7.1Define specific heat capacity (2\
7.2Give TWO examples of fluids as a combustible (2\
7.3A mass of hour. D uring the process of heat energy is lost Calculate the following:
7.3.1Amount of heat released
7.3.2
7.4A welder dropped a steel plate with a mass of into a container with water which is at temperature of fter the steel plate is dropped into the water, the temperature of the
Q8— Section header —
8.1Define ion (1\
8.2
8.3What are electrolytes? (1\ [8]8
Q9— Section header —
9.1How does a current behave when the resistors are connected
9.1.1In series
9.1.2
9.2A simple DC circuit consisting of supply voltage of a resistor is connected in series with two parallel resistors Calculate the following:
9.2.1Total resistance of the circuit (4\
9.2.2Current flowing through the [13] TOTAL:13
Mark Allocation
Total100 marks
Sections15 + 10 + 7 + 10 + 17 + 9 + 11 + 8 + 13 = 100 marks
Paper information
TitleDocument
SubjectEngineering Science
LevelN2
Document typeQuestion paper
Year2020
MonthApril
Pages9
Downloads2
Examination context
Decade2020s
Years ago6y
SeasonAutumn (SH)
Start dayWednesday
Exam periodApril 2020
Days since exam2,383
About Engineering Science examination preparation
Engineering Science combines physics principles with engineering applications. The examination covers mechanics, thermodynamics, electricity, and materials science at the relevant N-level.
How to use this resource for revision
A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?
For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.
applying physics principles
selecting appropriate formulae
performing calculations with units
interpreting engineering scenarios
explaining scientific reasoning
A practical revision approach
Create a formula sheet organised by topic. The memorandum rewards correct formula identification, proper substitution, and accurate unit handling — always write the formula before substituting values.
File details
File size335.8 KB
Pages9
Archived on8 September 2026
File age45d
ContributorFreeMode
Fingerprint807EF2C3292B
Questions and learner discussion
Log in to ask a question or leave a review.
No questions or discussions have been posted yet.