Free Printable Systems Engineering Exam (2014)

Worksheets

Systems Engineering Exam (2014)

Total questions: 20

Worksheet time: 20mins

Name

Class

Date

Which one of the following is the best tool to tighten or loosen a hexagon nut fastener?

pliers

multigrips

ring spanner

adjustable wrench

Compressed air is used to power many workshop tools. What safety equipment should be worn when using a compressed air blower?

gloves

hair net

safety boots

safety glasses

Simple machines are the building blocks of all machinery. The correct names of the six simple machines are

screw, lever, inclined plane, pulley, wedge, wheel and axle.

screw, lever, inclined plane, wedge, friction, wheel and axle.

bolts, pivots, pulley, frame, wheel, axle.

bolts, pivots, frame, belt, wheel, axle.

To what class of lever does the brake pedal belong?

first order.

second order.

third order.

fourth order.

The force exerted on the brake cylinder piston

depends on the length of the brake cylinder.

depends on the length of the connecting pipes.

is less than the force exerted on the master cylinder piston.

is greater than the force exerted on the master cylinder piston.

If the fluid pressure in the master cylinder is 40 kPa, the fl uid pressure in the brake cylinder is

10 kPa

20 kPa

40 kPa

160 kPa

What is the force required to lift the handle of the wheelbarrow in the diagram above?

80 N

120 N

480 N

720 N

If the pressure of the fluid from the inlet tube is 40 kPa, then the force of the driving rod is closest to

100 N

110 N

113 N

452 N

Which type of renewable energy is most affected by the moon?

tidal

solar

wind

hydro-electric

10.

A force of 1.63974 N expressed to three significant figures is

1.63 N

1.639 N

1.64 N

1.640 N

11.

The operation of a mercury switch uses the fact that mercury is a good

conductor

insulator

semiconductor

solid

12.

Voltmeters are usually connected for test purposes in

pairs

series

parallel

combination

13.

A 1 kW solar panel is 25% efficient. How much energy needs to fall on the solar panel for it to produce 1 kW?

1 kW

4 Kw

250 W

1250 W

14.

What is the power produced in the circuit above?

3 W

16 W

36 W

48 W

15.

Which one of the following single gates could replace the four logic gates shown above?

AND

XOR

NOR

16.

What is the total resistance of the resistor network shown above?

21 R

13 R

11 R

9 R

17.

After the design brief, the next step in the Systems Engineering Process is to

design the product.

research components and costs.

re-evaluate and modify the design brief.

complete a time line and materials list.

18.

A hydrogen cell, or fuel cell, works by

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

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

combining hydrogen and oxygen in an electrolyte to get water and electricity.

burning hydrogen and oxygen together to get water and electricity.

19.

A solar cell array produces 6 kWh over 12 hours. The average power output of the solar cell array is

2 W

500 W

2 kW

72 kW

20.

The flow chart of a microcontroller program is shown below. High 0’ turns a light-emitting diode (LED) on. ‘Low 0’ turns it off. ‘Wait 1’ is a one-second delay. For how long will the LED flash on and off in this program?

2 s

9 s

20 s

40 s

100 %

Systems Engineering Exam (2014)

Total questions: 20

Worksheet time: 20mins

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