Elec- CBT Review Part-1

H in HVAC stands for

• Hybrid
• Hydrogen
• Heating
• Hospitals

Natural ventilation uses

• blowers
• Fans
• things like open windows or louvers.
• All other answers

Forced ventilation uses

• Fans
• Blowers
• Air Handler Unit (AHU)
• All other answers

Air conditioned buildings will normally have

• Sealed windows
• Open doors
• Ceiling fans
• Glass windows

Air conditioning has two basic classifications

• Systems which provide comfort air in offices and air in process areas
• Systems which provide comfort heating and cooling
• Systems which provide hot water and cold water
• All other answers

Typical HVAC drawing types are

• Piping diagram
• Detail drawing
• Floor plans
• All other answers

Portable equipment is an equipment that is

• Mobile
• easily moved
• designed and intended to be moved
• All other answers

Heaters In a workshop, or manufacturing type area, where larger heating units are required, they may be supplied power from a

• Single phase supply
• 3 phase supply
• 2 phase supply
• Electrical store

The elements in the infrared heater produce ____________which we feel as heat.

• Air
• electromagnetic waves
• Magnetic field
• All other answers

To ensure portable equipment is safe for continued use, it is a requirement that portable electrical equipment is ___________on a regular basis.

• Washed
• Used
• tested and inspected
• All other answers