Free Printable Systems Engineering Exam (2018)

Worksheets

Systems Engineering Exam (2018)

Total questions: 19

Worksheet time: 19mins

Name

Class

Date

The term ‘torque’ refers to

a type of force

the power generated by a motor.

the amount of twist on an object.

the amount of energy produced by a motor.

Gears are used for a range of reasons, including to change the direction of rotation and to increase torque or speed in various machines. In most cases, the driven gear can become the driver gear when a machine is slowing down. In which of the following gear sets can the driven gear not become the driver gear?

crown wheel and pinion gear

worm and wheel gear

rack and pinion gear

internal gears

Under the Occupational Health and Safety Act 2004, who is authorised to operate a piece of equipment with a ‘defective’ tag on it?

any person designated or instructed by the employer to do so

any person who has been trained to operate the machine

anyone who has a ‘test and tag’ certificate

no-one but the repairer

Which one of the following statements about energy is true?

Energy can be created.

Energy can be transformed.

Potential energy can be destroyed.

Kinetic energy can be easily stored.

In the diagram shown above, the force F required to keep the weight in place is

60 N

30 N

20 N

15 N

If a motor produces 12 000 J of energy in four minutes, the power of the motor would be

48 kW

3000 W

500W

50 W

The pulley ratio of the system shown above is

1:8

1:4

1:2

1:1

The thread pitch of a bolt is 2 mm. The bolt is tightened 90° after first contact with the parts to be fastened. How much stretch has been applied to the bolt shank?

0 mm

0.25 mm

0.5 mm

1.0 mm

The number 314 159 written in engineering notation and correct to four significant figures is

3.141 × 10⁵

3.142 × 10⁵

314.1 × 10³

314.2 × 10³

10.

The term ‘watt’ refers to the

rate of doing work.

size of small engines.

amount of energy used in steam engines.

amount of energy used in electrical devices.

11.

The voltage displayed on the voltmeter shown above is 12 V. Which one of the following options is most likely correct?

R1 is shorted.

R2 is shorted.

R2 is open circuit.

R3 or R4 is open circuit.

12.

The four-band colour code for a 1 MΩ 5% resistor is

brown, blue, black, gold

brown, black, blue gold

brown, black, green, gold

brown, black, black, yellow

13.

The function of a Zener diode in a circuit is to

provide a voltage reference.

rectify an AC voltage.

detect light.

emit light.

14.

The total capacitance of the circuit shown above is

0.5 nF

181 nF

202 nF

2200 nF

15.

The waveform shown in the diagram above can be described as

digital

a sine wave

a direct current

an alternating current

16.

An ammeter is used to measure the current from the battery supplying the entire circuit shown above. In which position should the ammeter be placed?

17.

A hydrogen cell, or fuel cell, works by

burning hydrogen and oxygen together to produce water and electricity.

combining hydrogen and oxygen with a membrane catalyst to produce water and electricity.

converting water to hydrogen and oxygen, and then burning the oxygen to produce electricity.

converting water to hydrogen and oxygen, and then burning the hydrogen to produce electricity.

18.

Biofuel is best described as energy produced from

a hydrogen cell.

burning coal.

plant matter.

crude oil.

19.

The total current in the circuit shown above is

600 mA

400 mA

200 mA

133 mA

Reset

Systems Engineering Exam (2018)

Total questions: 19

Worksheet time: 19mins

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