Engineering Basics Quiz

What is the primary purpose of an engineering drawing?

• To provide a visual representation of a design

• To calculate the cost of materials

• To determine the project's timeline

• To assess the environmental impact

Which of the following is a unit of force?

• Joule

• Newton

• Watt

• Pascal

What is Ohm's Law?

• Voltage = Current x Resistance

• Power = Voltage x Current

• Resistance = Voltage / Current

• Current = Voltage / Resistance

In a series circuit, the total resistance is:

• The sum of all individual resistances

• The reciprocal of the sum of the reciprocals of the individual resistances

• Equal to the highest resistance

• Equal to the lowest resistance

Which material is commonly used as an insulator in electrical engineering?

• Copper

• Aluminum

• Rubber

• Steel

What is the mechanical advantage of a lever?

• The ratio of the output force to the input force

• The ratio of the input force to the output force

• The ratio of the length of the effort arm to the length of the resistance arm

• The ratio of the length of the resistance arm to the length of the effort arm

Which type of gear is used to change the direction of motion by 90 degrees?

• Spur gear

• Helical gear

• Bevel gear

• Worm gear

What is the function of a flywheel in an engine?

• To increase the engine's power output

• To store rotational energy and smooth out the power delivery

• To reduce the engine's weight

• To cool the engine

Which of the following is a type of simple machine?

• Pulley

• Engine

• Gearbox

• Hydraulic press

What is the purpose of lubrication in mechanical systems?

• To increase friction

• To reduce friction and wear

• To cool the system

• To clean the system