Multiskill Foundation Course

What are traditional water pumps also known as?

• centrifugal pumps

• jet pumps

• piston pumps

• none of the above

What is the electrical device used by electric pumps to operate?

• Inductor

• motor

• Resistor

• heater

Pumps uses which energy to move the water?

• heat enery

• mechanical energy

• sound energy

• all of the above

An electrical motor converts ___________ energy to mechanical energy.

• electrical energy

• kinetic energy

• potential energy

• chemical energy

What is the purpose of a fan in an electric motor?

• It contributes to the speed of the motor

• It protects from pollution

• It cools the device

• none of the above

What is the purpose of an inverter?

• It converts ac to dc

• It converts dc to ac

• It provides uninterrupted power supply

• all of the above

Household electrical appliances makes use of which types of current?

• AC

• DC

• Both AC and DC

• Some uses AC while other uses DC

Which of the following pumps are immersed into the water source?

• Submersible pump

• piston pump

• jet pump

• centrifugal pump

How many valves does a traditional hand pump set up uses?

• 3

• 21

• 2

• 0

How helpful do you find your online guest lecture session?

• Very helpful

• Some what helpful

• Not helpful

• unnecessary