Question

The principle of all washing machines is to keep the fabric in movement in the washing solution to carry away the dirt. Which among the following method is used for washing garments in a front load washing machine?

• A. Spinning
• B. Agitation
• C. Tumbling
• D. Pulsation

Hint:

Associate the washing action with the machine type: - Front Load -> Tumbling (horizontal drum) - Top Load (with post) -> Agitation - Top Load (without post) -> Pulsation or Impeller action

Answer 1

The Correct Option is C

Step 1: Understanding the Concept:
The question asks to identify the specific washing action used by a front-loading washing machine. Different types of machines use different mechanisms to move the clothes through the water.
Step 2: Detailed Explanation:


(1) Spinning: This is the action used in all machines to extract water from the clothes after washing and rinsing by rotating the drum at high speed. It is not the primary washing action.
(2) Agitation: This method is characteristic of top-load washing machines with a central agitator (a finned post). The agitator twists back and forth, forcing the clothes through the water.
(3) Tumbling: This is the method used in front-load machines. The drum is oriented horizontally. It rotates, lifting the clothes up and then dropping them back into the wash water. This tumbling action provides the mechanical force to clean the clothes and is gentler than agitation.
(4) Pulsation: This method is used in many modern top-load machines that do not have a central agitator. A low-profile disc or plate at the bottom of the tub spins or pulses, creating strong water currents that move the clothes.
Step 3: Final Answer:
Front-load washing machines use the tumbling method for washing garments.