Engineering Mock 2026

WASSCE style · Exam mode

Engineering Mock 2026

Question 1 of 50

Which branch of engineering deals mainly with roads, bridges and dams?

A. civil engineering B. electrical engineering C. chemical engineering D. software engineering

Question 2 of 50

In the engineering design process, after defining the problem the next step is usually to

A. research and generate possible solutions B. sell the product C. drop the idea D. paint the prototype

Question 3 of 50

An engineer's first duty in professional ethics is to

A. protect public safety, health and welfare B. make as much profit as possible C. finish quickly at any cost D. always use the cheapest materials

Question 4 of 50

The SI unit of pressure is the

A. newton B. joule C. pascal D. watt

Question 5 of 50

1 megawatt (MW) is equal to

A. 1,000 W B. 1,000,000 W C. 0.001 W D. 1,000,000,000 W

Question 6 of 50

A force of 20 N acts 0.5 m from a pivot. What is its moment?

A. 40 N m B. 10 N m C. 20.5 N m D. 0.025 N m

Question 7 of 50

A member of a structure that is being squeezed is in

A. tension B. compression C. torsion D. shear only

Question 8 of 50

A shaft that is being twisted is under

A. tension B. compression C. torsion D. bending only

Question 9 of 50

The ability of a material to be drawn out into wires is

A. ductility B. brittleness C. hardness D. elasticity

Question 10 of 50

A force of 50 N moves an object 4 m in the direction of the force. How much work is done?

A. 12.5 J B. 54 J C. 200 J D. 46 J

Question 11 of 50

A motor does 600 J of work in 5 s. What is its power?

A. 3,000 W B. 120 W C. 605 W D. 0.0083 W

Question 12 of 50

Heat moves through a solid metal rod mainly by

A. conduction B. convection C. radiation D. evaporation

Question 13 of 50

Which of these is a renewable energy source?

A. coal B. solar energy C. natural gas D. diesel

Question 14 of 50

The professional body that registers engineers in Ghana is the

A. Medical and Dental Council B. Engineering Council of Ghana C. Ghana Bar Association D. Pharmacy Council

Question 15 of 50

A 40 N weight sits 0.3 m from a pivot. What force, 0.6 m from the pivot on the other side, will balance it?

A. 80 N B. 12 N C. 20 N D. 24 N

Question 16 of 50

Triangles are used in trusses and bridges because they

A. use more material B. are rigid and do not change shape easily under load C. only look attractive D. are easy to paint

Question 17 of 50

A rope breaks at 6,000 N and its working load is 1,500 N. What is the factor of safety?

A. 4 B. 9,000 C. 4,500 D. 0.25

Question 18 of 50

A force of 2,000 N acts on an area of 0.01 m². What is the stress?

A. 20 Pa B. 200 Pa C. 200,000 Pa D. 20,000 Pa

Question 19 of 50

Young's modulus is the ratio of

A. strain to stress B. force to area C. load to extension squared D. stress to strain

Question 20 of 50

Resistance to scratching and wear is

A. toughness B. malleability C. ductility D. hardness

Question 21 of 50

A block of mass 4 kg has a volume of 0.002 m³. What is its density?

A. 2,000 kg/m³ B. 0.0005 kg/m³ C. 8 kg/m³ D. 500 kg/m³

Question 22 of 50

A machine gives out 300 J of useful work for every 400 J put in. What is its efficiency?

A. 75% B. 133% C. 25% D. 70%

Question 23 of 50

Find the kinetic energy of a 2 kg mass moving at 3 m/s.

A. 6 J B. 9 J C. 18 J D. 3 J

Question 24 of 50

A 5 kg mass is raised through 4 m. What is its gain in potential energy?

A. 20 J B. 2 J C. 50 J D. 200 J

Question 25 of 50

A length is measured as 25.0 ± 0.1 cm. What is the percentage uncertainty?

A. 0.1% B. 0.4% C. 4% D. 2.5%

Question 26 of 50

A wire 2 m long stretches by 4 mm. What is the strain?

A. 0.002 B. 0.5 C. 2 D. 0.008

Question 27 of 50

A 20-tooth driver gear turns at 300 rpm and drives a 60-tooth gear. How fast does the driven gear turn?

A. 900 rpm B. 100 rpm C. 60 rpm D. 180 rpm

Question 28 of 50

A 6 Ω heater is connected to a 12 V supply. What is its power?

A. 72 W B. 2 W C. 24 W D. 0.5 W

Question 29 of 50

What is the water pressure at a depth of 5 m? (Density of water = 1,000 kg/m³)

A. 5,000 Pa B. 50,000 Pa C. 500 Pa D. 2,000 Pa

Question 30 of 50

A gas at 100 kPa occupies 2 L. At constant temperature it is compressed to 1 L. What is the new pressure?

A. 50 kPa B. 100 kPa C. 200 kPa D. 400 kPa

Question 31 of 50

Electricity is transmitted over long distances at very high voltage mainly to

A. increase the current B. make it more dangerous C. reduce power losses in the cables D. change it into DC

Question 32 of 50

Precision describes how

A. expensive the instrument is B. close a measurement is to the true value C. large the reading is D. close repeated measurements are to each other

Question 33 of 50

Express 0.000 25 m in micrometres.

A. 25 μm B. 250 μm C. 2.5 μm D. 2,500 μm

Question 34 of 50

Convert 72 km/h to m/s.

A. 200 m/s B. 7.2 m/s C. 72 m/s D. 20 m/s

Question 35 of 50

Three 9 Ω resistors in parallel give

A. 9 Ω B. 27 Ω C. 3 Ω D. 1 Ω

Question 36 of 50

A pulley system with a velocity ratio of 4 lifts an 800 N load with an effort of 250 N. What is its efficiency?

A. 64% B. 125% C. 32% D. 80%

Question 37 of 50

The percentage error of a 50 mm measurement with an uncertainty of ±0.5 mm is

A. 0.5% B. 1% C. 10% D. 5%

Question 38 of 50

A 4 m simply supported beam carries a central point load of 10 kN. Each support reaction is

A. 2.5 kN B. 10 kN C. 5 kN D. 20 kN

Question 39 of 50

A steel rod of area 100 mm² carries a tensile load of 20 kN. The stress is

A. 2 N/mm² B. 200 N/mm² C. 2,000 N/mm² D. 20 N/mm²

Question 40 of 50

The factor of safety is the ratio of

A. load to area B. working stress to ultimate stress C. ultimate stress to working stress D. strain to stress

Question 41 of 50

The elastic limit is the point beyond which a material

A. breaks immediately B. does not return to its original shape C. becomes elastic D. melts

Question 42 of 50

Water flows through a 0.02 m² pipe at 3 m/s. The flow rate is

A. 0.6 m³/s B. 0.06 m³/s C. 6 m³/s D. 0.006 m³/s

Question 43 of 50

A 250 W solar panel receiving 5 peak sun hours a day produces about

A. 1.25 kWh per day B. 250 kWh per day C. 5 kWh per day D. 50 Wh per day

Question 44 of 50

Carbon footprint measures

A. total greenhouse gas emissions caused by an activity B. the size of a factory C. shoe sizes D. land area only

Question 45 of 50

For the same beam (4 m, central 10 kN load), the maximum bending moment is

A. 40 kN m B. 20 kN m C. 5 kN m D. 10 kN m

Question 46 of 50

A material with stress 200 MPa and strain 0.001 has Young's modulus

A. 200 MPa B. 20 GPa C. 2 GPa D. 200 GPa

Question 47 of 50

A pulley system lifts 800 N with 250 N effort and has VR 4. Its efficiency is

A. 31% B. 320% C. 80% D. 25%

Question 48 of 50

A motor lifts 500 kg through 10 m in 25 s (g = 9.8 m/s²). Its power output is

A. 19,600 W B. 4,900 W C. 200 W D. 1,960 W

Question 49 of 50

A pipe narrows from 0.04 m² to 0.01 m². If speed in the wide part is 2 m/s, speed in the narrow part is

A. 4 m/s B. 0.5 m/s C. 8 m/s D. 2 m/s

Question 50 of 50

The thermal efficiency of an engine that takes in 1,000 J and rejects 650 J is

A. 35% B. 65% C. 50% D. 153%

Time left

60:00

Answered0 / 50

Unanswered questions count as wrong.

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.