MECH 1340 Quiz 3 Review

A tachometer normally refers to a(n) ____ used for speed measurement.

• load cell

• small generator

• capacitive proximity sensor

• ultrasonic sensor

Most proximity switches come equipped with an LED status indicator to:

• indicate that power is being applied to the switch.

• verify the output switching action.

• indicate that the target is within sensing range.

• indicate a blown fuse within the switch.

Identify the choice that best completes the statement or answers the question. The application shown is a typical application for a:

• proximity switch

• temperature switch

• limit switch

• level switch

Identify the choice that best completes the statement or answers the question. The symbol shown is that for a:

• light sensor

• heat sensor

• pressure sensor

• proximity sensor

This is a .

• Pressure Switch

• Proximity Switch

• Float Switch

• Limit Switch

• Level Switch

For the program shown, instruction A represents an:

• Examine If Closed instruction.

• Input Energize instruction.

• Examine If Open instruction.

• Output Energize instruction.

The address I:1/3 identifies an input module residing in slot of the PLC chassis.

• three

• two

• one

• zero

The most common actuator for a reed switch is:

• a light beam.

• a permanent or electromagnet.

• a heat source.

• application of pressure.

The symbol shown is that for a:

• pressure switch.

• temperature switch.

• limit switch.

• proximity switch.

The symbol shown is that for a:

• horn

• motor

• heater

• solenoid