What type of contact is shown in the first diagram?

• Normally open contact

• Normally closed contact

• Toggle switch

• Push button switch

What type of contact is shown in the second diagram?

• Normally open contact

• Normally closed contact

• Toggle switch

• Push button switch

In a normally open contact, what happens when the switch is activated?

• The circuit remains open

• The circuit closes

• The circuit shorts

• The circuit breaks

What is the primary function of a toggle switch?

• To open a circuit

• To close a circuit

• To alternate between two states

• To increase voltage

Which switch type is typically used in emergency stop buttons?

• Normally open contact

• Normally closed contact

• Toggle switch

• Rotary switch

What is the function of the spring in a normally open contact?

• To keep the contact closed

• To keep the contact open

• To increase resistance

• To decrease voltage

What is the primary function of an optical proximity switch (thru beam)?

• To detect the presence of an object

• To measure temperature

• To transmit sound waves

• To amplify electrical signals

Which company is associated with the optical proximity switch shown in the image?

• Festo

• Siemens

• Bosch

• ABB

What is one application of a thru beam sensor in feeding units?

• Standstill control

• Temperature measurement

• Pressure monitoring

• Speed control

In which devices is parts detection a common application of thru beam sensors?

• Handling devices and transfer presses

• Heating systems

• Cooling units

• Lighting systems