ME3011FP Tut 32

Figure here shows the symbol for

• Fuse

• Motor

• Relay

• Switch

What does the DOL mean in the DOL motor starter?

• Direct on line

• Direct on live

• Delay on line

• Delay on live

What is used to convert electrical energy to rotary mechanical motion?

• Fuses

• Motors

• Relays

• Switches

Figure here shows the symbol for

• Electric motor

• Electric meter

• Hydraulic motor

• Pneumatic motor

Refer to Figure here. The part labelled 'X' is a

• contactor

• starter

• solenoid

• overload relay

A relay is a/an

• magnet

• contactor

• mechanical switch

• electromagnet switch

Name the device which actuates the set of contacts in the DOL starter.

• Motor

• Overload relay

• Stop push button

• Start push button

State the device for governing the electrical power delivered to an electrical motor.

• Contactor

• Push button

• Relay

• Starter

The mechanical device used to make or break the circuit frequently in the DOL is known as

• relay

• switch

• isolator

• contactor

Refer to Figure 37.3. The part label 'Y' is a

• contactor

• starter

• solenoid

• overload relay