Labour Saving Devices Quiz

What is the main purpose of a vacuum cleaner?

• To water plants

• To play music

• To clean floors and surfaces

• To cook food

How does a dishwasher save time and effort in the kitchen?

• It increases the number of dishes to wash

• It requires hand washing of dishes

• It takes longer to wash dishes than by hand

• It automatically washes and dries dishes.

What is the primary function of a microwave in the kitchen?

• Sharpening and cleaning knives

• Cooling and preserving food

• Washing and drying dishes

• Heating and cooking food quickly

How does a washing machine help in saving labor?

• By requiring manual scrubbing of clothes

• By making the process of washing clothes more time-consuming

• By increasing the amount of work needed to do laundry

• By automating the process of washing clothes

What are the advantages of using an electric can opener?

• More expensive than manual can openers

• Limited portability and need for electricity

• Convenience and time-saving benefits

• Increased risk of electric shock

What are the different types of vacuum cleaners available in the market?

• Upright, canister, stick, handheld, robotic, and central vacuum cleaners.

• Electric, manual, battery-powered, solar-powered, wind-powered vacuum cleaners

• Wet, dry, steam, foam, powder vacuum cleaners

• Square, triangle, circle, oval, hexagon, octagon vacuum cleaners

Explain the working principle of a dishwasher.

• A dishwasher works by using cold water and soap to clean the dishes

• A dishwasher works by using ultrasonic waves to clean the dishes

• A dishwasher works by manually scrubbing the dishes with a brush

• A dishwasher works by spraying hot water and detergent onto the dishes, then rinsing them with clean water and drying them with hot air.

What safety precautions should be taken while using a microwave?

• Using microwave-safe containers, avoiding metal objects, and never operating the microwave when it is empty.

• Using metal containers

• Operating the microwave when it is empty

• Using plastic containers not labeled as microwave-safe

Discuss the various features to consider when buying a washing machine.

• Capacity, energy efficiency, wash cycles, noise level, special features

• Color, brand, price

• Size, material, warranty

• Water usage, spin speed, design

How does an electric can opener differ from a manual can opener in terms of labor-saving?

• There is no difference in labor-saving between electric and manual can openers.

• Electric can opener requires more physical effort.

• Manual can opener is faster than electric can opener.

• Electric can opener requires less physical effort.