UNIBEN POST UTME MOCK (Engineering)

The synonym of perfunctory is:

• Careful

• Mechanical

• Thorough

• Detailed

In the electrolysis of dilute H₂SO₄ using platinum electrodes, the gas evolved at the anode is:

• Oxygen

• Hydrogen

• Sulphur dioxide

• Steam

Solve for x: 3x – 7 = 11.

• 3

• 4

• 5

• 6

A stone is thrown vertically upwards with velocity 20 m/s. How long does it take to reach its maximum height? (g = 10 m/s²)

• 1 s

• 2 s

• 4 s

• 10 s

The opposite of furtive is:

• Clandestine

• Open

• Secret

• Hidden

Which of these is NOT a greenhouse gas?

• CO₂

• CH₄

• O₃

• N₂

Stress in the word characteristic falls on the:

• First syllable

• Second syllable

• Third syllable

• Fourth syllable

What is the IUPAC name of CH₃–CH₂–C≡CH?

• But-1-yne

• But-2-yne

• But-1-yne

• Pent-1-yne

A quadratic equation has roots 3 and –2. Find the equation.

• x² – x – 6 = 0

• x² – x + 6 = 0

• x² – x – 7 = 0

• x² – x + 7 = 0

A force of 50 N stretches a spring by 0.02 m. What is the spring constant?

• 1000 N/m

• 2000 N/m

• 2500 N/m

• 500 N/m