WorksheetsPreliminary Engineering Studies Revision Quiz
Total questions: 14
Worksheet time: 13mins
What are the common electrical safety devices?
Rectifiers, fuses, capacitors
Diodes, capacitors, residual current devices
Earth wires, fuses, double insulated appliances
Resistors, circuit breakers, residual current devices
What does collaborative work practices refer to in engineering?
Working as a team in projects to produce desirable outcomes
Helping tradespeople to achieve high standards of workmanship
Engineers directing workers to do as they are instructed in the plans
Engineers working with financial controllers to keep the project within budget
A metal rod Ø10 mm and 0.250 m long, extends 0.1 mm when subjected to a 10 kN tensile force. What is the strain?
(a)
Which best describes why work hardening occurs in metals during deformation?
An increase in grain boundaries by nucleation
Production of crystallites due to a build up of dislocations at alloy atoms
Production of more slip planes due to an increase in dislocations
A reduction of slip planes due to a build up of dislocations at grain boundaries
A lever, pivoting at A, has a 40 kN load force acting at 45° as shown. What is the effort force required, acting at F, for the lever to maintain equilibrium?
86.7 kN
47.1 kN
61.3 kN
1.5 kN
Match the following
1st Order Lever
2nd Order Lever
3rd Order Lever
Organize these options into the right categories
ABS
HDPE
Acrylic
Polypropylene
Epoxy
Melamine Formaldehyde
Polyester Resin
PVC
FULL ANNEALING:
Heat the material (a) the Upper Critical Temperature.
Allow it to soak at this temperature.
Cool in (b) .
What is the primary reason for using heat treatment in metals?
To increase electrical conductivity
To improve mechanical properties
To reduce weight
To enhance corrosion resistance
Which of the following is a key benefit of using Computer-Aided Design (CAD) in engineering?
Increased manual labor
Enhanced precision and accuracy
Higher material costs
Reduced need for collaboration
What is the function of a capacitor in an electrical circuit?
To store electrical energy
To convert AC to DC
To increase resistance
To decrease voltage
Which of the following is a common use of a diode in electronic circuits?
To amplify signals
To store energy
To allow current to flow in one direction
To reduce voltage
What is the main advantage of using Finite Element Analysis (FEA) in engineering design?
Increased material usage
Enhanced ability to predict failure points
Reduced computational requirements
Decreased need for physical prototypes
