BỘ CÂU HỎI AVCN

BỘ CÂU HỎI AVCN

University

100 Qs

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BỘ CÂU HỎI AVCN

BỘ CÂU HỎI AVCN

Assessment

Quiz

Mathematics

University

Practice Problem

Medium

Created by

GIANG TRƯỜNG

Used 3+ times

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100 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In what unit are the cooling capacity measured in refrigeration systems?

kJ

kW

kJ/kg

kW.h

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which refrigerant is used most frequently in large industrial plants?

Ammonia

Sulfur Dioxide

Calcium Chloride

Carbon Dioxide

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does HVAC stand for?

Handling, Ventilation, Air Conditioning

Heating, Ventilation, Air conditioning

Heating, Ventilation, Alternating current

Household, Ventilation, Air conditioning

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is not undesirable effect on the refrigeration system of the air purging?

Pressure in the system rises

Operating current rises

Cooling efficiency rises

Water may lead to corrosion of parts in the refrigeration system

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the room air conditioner installation manual, what is the pipe size?

The diameter of the copper pipe

The length of the copper pipe

The thickness of the copper pipe

None of these

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Both temperature and ___________ affect the comfort of the human body.

Atmosphere

Altitude

Attitude

Humidity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of power?

Resistance    

Amperage

Voltage        

Wattage

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