Quiz: Fundamental Science in Maintenance Engineering

What is the relationship between power, current, and voltage?

• Power = Current x Voltage

• Power = Current + Voltage

• Power = Current / Voltage

• Power = Voltage / Current

What is Ohm’s Law?

• V = I x R

• I = V x R

• R = V x I

• V = I / R

Which of the following is a form of heat energy?

• Flame

• Arc

• Induction

• All of the above

What is the difference between speed and velocity?

• Speed is a scalar quantity, while velocity is a vector quantity.

• Speed includes direction, while velocity does not.

• Speed is always faster than velocity.

• There is no difference.

What is the unit of power?

• Joule

• Watt

• Newton

• Pascal

What is the purpose of a gearbox?

• To increase speed only

• To increase torque only

• To change speed and torque

• To reduce friction

What type of magnetic field is produced by a solenoid?

• A circular field

• A uniform field

• A field similar to a bar magnet

• No magnetic field

What is the coefficient of linear expansion?

• A measure of how much a material expands when heated

• A measure of how much heat a material can absorb

• A measure of electrical resistance

• A measure of thermal conductivity

What is the formula for calculating pressure in a hydraulic system?

• Pressure = Force x Area

• Pressure = Force / Area

• Pressure = Area / Force

• Pressure = Force + Area

Power = Current x Voltage

• True

• False