Control Technology

This machine is controlled by _________

• Switch

• Sensor

• Buttons

• Knob

All these are interpreted to mean control except __________

• To give command

• To give instructions

• Operating

• Discarding

What is the input required to get a gas cooker to cook a pot of stew ?

• Turn on the knob

• Press the switch

• Close the gas cooker lid

• Turn on the gas lighter

This machine is controlled by _______

• Buttons

• Knobs

• Sensor

• Signal alarm

How does this machine work?

• It works by turning on the knob

• By buttons

• sensors

• By closing the lid of the blender

The input from a pressing iron is to turn the knob. What will be the output?

• Iron spins around

• Iron becomes hot

• Iron is tossed up and down

• Iron cooks food

This machine is controlled by __________

• Sensor

• switches

• buttons

• Timers

When using an automatic hand dryer, what will be the input ?

• Place your hand under the dryer

• Hot air blows out of the dryer

• Bang the hand dryer

• Pour water on the hand dryer

What will be the output of controlling this machine?

• It flys

• It jumps

• It moves from one point to another

• It spins

Which of these controls the automatic hand dryer?

• Sensor

• Button

• Timer

• Switch