Engineering Mock 2024

Question 1 of 50

Energy cannot be created or destroyed, only changed from one form to another. This is the principle of

Question 2 of 50

Hydraulic systems transmit force using

Question 3 of 50

Pneumatic systems use

Question 4 of 50

A 100 W lamp uses electricity for 10 hours. How much energy does it use?

Question 5 of 50

Which energy source does NOT produce carbon dioxide while generating electricity?

Question 6 of 50

The first step of the engineering design process is to

Question 7 of 50

A working model built to test a design is a

Question 8 of 50

1 megawatt is equal to

Question 9 of 50

A force that squeezes a member is

Question 10 of 50

A triangle is used in trusses because it

Question 11 of 50

The ability of a material to be drawn into wire is

Question 12 of 50

Composite materials such as carbon fibre are used in engineering because they are

Question 13 of 50

The efficiency of a machine is always less than 100% because of

Question 14 of 50

Heat flows naturally from

Question 15 of 50

Which is a renewable source of energy?

Question 16 of 50

Ghana's largest hydroelectric dam is at

Question 17 of 50

An engineer's first duty is to

Question 18 of 50

A risk assessment identifies

Question 19 of 50

Signing off on unsafe work to save money is

Question 20 of 50

Ohm's law states that

Question 21 of 50

A circuit breaker

Question 22 of 50

A breadboard is used to

Question 23 of 50

The power used by a device with 5 A at 12 V is

Question 24 of 50

Wind turbines convert

Question 25 of 50

Hydroelectric power uses

Question 26 of 50

LED bulbs are more energy-efficient than incandescent bulbs because they

Question 27 of 50

Switching off appliances at the socket saves

Question 28 of 50

A machine has a mechanical advantage of 4. What effort lifts a load of 600 N?

Question 29 of 50

A lever with the fulcrum between the effort and the load, such as scissors, is

Question 30 of 50

A life-cycle assessment of a product looks at its environmental impact

Question 31 of 50

A list of requirements a design must meet is the

Question 32 of 50

A vernier caliper can usually measure to

Question 33 of 50

For a body in equilibrium, the sum of the moments about any point is

Question 34 of 50

An alloy of copper and zinc is

Question 35 of 50

A lever with the fulcrum between the effort and the load is a

Question 36 of 50

Pascal's principle is applied in

Question 37 of 50

The professional body for engineers in Ghana is the

Question 38 of 50

Biogas is produced from

Question 39 of 50

Geothermal energy comes from

Question 40 of 50

A beam 4 m long is simply supported at its ends with a 1000 N load at its centre. Each support reaction is

Question 41 of 50

For a body in equilibrium, the sum of moments about any point is

Question 42 of 50

Triangulation is used in trusses because triangles are

Question 43 of 50

The ability of a material to be drawn into wires is

Question 44 of 50

Strain is defined as

Question 45 of 50

A gear of 20 teeth drives a gear of 60 teeth. The velocity ratio is

Question 46 of 50

Efficiency of a machine is always less than 100% because of

Question 47 of 50

A force of 200 N stretches a rod of area 0.0001 m². The stress is

Question 48 of 50

A motor does 6000 J of work in 2 minutes. Its power is

Question 49 of 50

In a hydraulic press, a 50 N force on a 0.01 m² piston produces on a 0.5 m² piston a force of

Question 50 of 50

The pressure at a depth of 10 m in water (density 1000 kg/m³, g = 10 m/s²) is