Quiz Questions - ITI Quiz - 10-Jun-2026 01:54 PM

Question 1 1 Marks

Which type of compressor is used in window air conditioner?

A

Belt drive

B

Open type

C

Sealed type

D

Swash plate

Question 2 1 Marks

Which type of condenser is used in window air conditioner?

A

Fins and tube

B

Plate and tube

C

Plate and coil

D

Bare tube

Question 3 1 Marks

Which type of expansion valve is used in window air conditioner?

A

Capillary tube

B

Low side float valve

C

Automatic expansion valve

D

Thermostatic expansion valve

Question 4 1 Marks

Which material is used for making fins of condenser in a window air conditioner?

A

Brass

B

Copper

C

Cast iron

D

Aluminium

Question 5 1 Marks

Which relay is used in capacitor start, capacitor run (CSR) compressor motor?

A

Voltage relay

B

Current relay

C

Thermal relay

D

Amperage relay

Question 6 1 Marks

Which capacitor is connected in series with starting winding of CSR motor during operation?

A

Fan capacitor|

B

Run capacitor

C

Start capacitor

D

No capacitor is connected

Question 7 1 Marks

What is the value of running capacitor used for 1.5 TR window air conditioner?

A

36 MFD

B

40 MFD

C

80 MFD

D

100 MFD

Question 8 1 Marks

What is the purpose of relay used in window air conditioner?

A

Disconnect the starting capacitor

B

Disconnect the running capacitor

C

Disconnect the fan capacitor

D

Disconnect the winding

Question 9 1 Marks

Which is increased by the fins of condenser tubes in window air conditioner?

A

Heat transfer rate

B

Power consumption

C

Discharge pressure

D

Refrigerant flow rate

Question 10 1 Marks

Which is indicated by the arrow mark on filter drier component?

A

Flow direction of air

B

Position of capillary tube

C

Flow direction of refrigerant

D

Arrangement of desiccant and filter

Question 11 1 Marks

Which device is used to exhaust the room air in window AC?

A

Damper

B

Air filter

C

Filter drier

D

Air washer

Question 12 1 Marks

Where the filter drier is installed in window AC refrigerant circuit?

A

Discharge line

B

Suction line

C

Service line

D

Liquid line

Question 13 1 Marks

Where the relay coil is internally connected in voltage relay?

A

Across 1 and 2

B

Across 5 and 1

C

Across 5 and 2

D

Across 2 and 4

Question 14 1 Marks

What is the remedy to remove moisture from the window AC system?

A

Over gas charge in the system

B

Evacuate the system deeply

C

Clean the evaporator fins

D

Clean the condenser fins

Question 15 1 Marks

What is the cause of reduced supply air throw though air filter is clean in window AC?

A

No frost in the evaporator

B

Frost accumulated in the evaporator

C

Dust accumulated in the condenser

D

No dust accumulated in the evaporator