Question 1

Which type of Humidifier rapidly vibrates waster to create a fog or mist?

Options :

A : Infrared Humidifier

B : Water Canister Humidifier

C : Steam Canister Humidifier

D : Ultrasonic Humidifier

Answer: D

Question 2

True or False: The most effective method of fire protection is fire prevention.

Options :

A : True

B : False

Answer: A

Question 3

Which one of the following does a Physical Infrastructure consists of in a Data Centre?

Options :

A : Hub

B : Switch

C : Rack

D : Server

Answer: C

Question 4

Which Class of Fires involves cooking appliances?

Options :

A : Class A

B : Class B

C : Class C

D : Class K

Answer: D

Question 5

What are the four main components of a refrigeration circuit?

Options :

A : Evaporation, membrane filter, monitor sensor, pressure valve

B : Evaporator, compressor, condenser, expansion valve

C : Condenser, expansion valve, buffer tank, de-icing unit

D : Thermostat, monitoring interface, indoor unit, outdoor unit

Answer: B