B4/A8-Basic Electrical_Maintenance

What does DOL stand for in DOL starter?

• Double Over Line

• Double On Load

• Direct Overload

• Direct On Line

Which type of motor is commonly started using a DOL starter?

• DC Motor

• Single-phase Motor

• Synchronous Motor

• Three-phase Induction Motor

Which component of a split AC unit is responsible for absorbing heat from the indoor air?

• Condenser

• Evaporator

• Compressor

• Thermostat

What is the primary function of a circuit breaker?

• To store electrical energy

• To convert AC to DC

• To prevent overloading and short circuits

• To amplify electrical signals

What is the formula for calculating electrical power in a DC circuit?

• P = I^2R

• P = IR

• P = V/R

• P = IV

How often should the oil be changed in a diesel generator under normal operating conditions?

• Every 100 hours

• Every 250 hours

• Every 500 hours

• Every 1000 hours

What is the primary purpose of a diesel generator's air filter?

• To cool the engine

• To prevent dirt and debris from entering the engine

• To reduce noise

• To clean the fuel

What does the term 'short circuit' mean?

• A circuit with an open path

• A circuit with a direct connection between two points of different potential

• A circuit with high resistance

• A circuit with proper insulation

Which device is used to measure electric current?

• Voltmeter

• Ammeter

• Ohmmeter

• Wattmeter

What is the main purpose of the condenser coil in a split AC unit?

• To circulate the refrigerant

• To filter the air

• To absorb heat from the indoor air

• To transfer heat from the refrigerant to the outside air