Unit 262 – Multiple choice practice exam

What is the international system unit of weight?

• Kilogram

• Newton

• Newton per square metre

• Square metres

Which of the following is a unit of mass?

• Newton

• Newton per square metre

• Kilogram

• Metre

Electrical resistance is defined as

• Ratio of charge and time

• The product of voltage and current

• Ratio of voltage and current

• Product of charge and time

Inductance property regarding transformer causes

• Induced current when the voltage across it changes

• Induced emf when the current through it changes

• Induced current when the current through it changes

• Induced emf when the voltage across it changes

What type of hydraulic/pneumatic component does the circuit symbol referring to the figure above

• Hydraulic poppet valve

• Double acting hydraulic valve

• Pneumatic poppet valve

• Pneumatic pilot operated cylinder

Which defines power the best

• Power is proportional to the square of the time taken

• Power is done when a force is moved through a distance

• Power is the quality of the energy

• Power is the rate of consumption of energy

Which best defines work?

• Work is the rate of consumption of energy

• Work is the quality of energy

• Work is done when a force is moved through a distance

• Work is proportional to the square of the time taken

From Table 1, which of the following lists the Young’s modulus from low to high value?

• Gold/Silver/Copper/Steel/Aluminium

• Aluminium/Silver/Gold/Copper/Steel

• Steel/Copper/Aluminium/Gold/Silver

• Copper/Aluminium/Steel/Silver/Gold

A force of 9.4 newtons moved through a distance of 10 m. The work done is

• 9400 joules

• 94 joules

• 940 joules

• 94 K joules

Which is the correct relationship between voltage, current and resistance?

• R = VI

• V = IR