Quiz-summary
0 of 15 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
Information
Refrigeration Basics Quiz Questions 5: HVAC Basics Questions Answers
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 15 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
Average score |
|
Your score |
|
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- Answered
- Review
-
Question 1 of 15
1. Question
1 pointsPressure drop in the refrigeration system is expressed in terms of:
Correct
Incorrect
-
Question 2 of 15
2. Question
1 pointsWhere a liquid line riser becomes necessary to connect to an evaporator located at higher level than the condenser, the pressure drop due to liquid lift will be high causing heavy flash in the liquid line:
Correct
Incorrect
-
Question 3 of 15
3. Question
1 pointsCondensation inside a condenser occurs under which of the following conditions:
Correct
Incorrect
-
Question 4 of 15
4. Question
1 pointsInside the condenser or in the liquid line, when liquid is sub-cooled, then there is no change in pressure:
Correct
Incorrect
-
Question 5 of 15
5. Question
1 pointsThe compression ratio _______ when the evaporating temperature rises:
Correct
Incorrect
-
Question 6 of 15
6. Question
1 pointsThe volumetric efficiency of the compressor reduces as the evaporating temperature ______
Correct
Incorrect
-
Question 7 of 15
7. Question
1 pointsMost of the CFCs refrigerants are not miscible with mineral oils:
Correct
Incorrect
-
Question 8 of 15
8. Question
1 pointsThe _______ of an oil is the temperature at which wax in the oil begins to precipitate from a mixture of 90% refrigerant and 10% oil by volume:
Correct
Incorrect
-
Question 9 of 15
9. Question
1 pointsThe ____ side float chamber is located between the condenser and evaporator:
Correct
Incorrect
-
Question 10 of 15
10. Question
1 points______ valves are operated using an electomagnet consisting of a coil of wire placed on an iron spool which is fixed over the valve body:
Correct
Incorrect
-
Question 11 of 15
11. Question
1 pointsFluorocarbons decompose when exposed directly to high temperatures:
Correct
Incorrect
-
Question 12 of 15
12. Question
1 pointsR-12 and R-22 have the highest specific volumes as vapors:
Correct
Incorrect
-
Question 13 of 15
13. Question
1 pointsAcetylene must be used to pressurize a refrigeration system:
Correct
Incorrect
-
Question 14 of 15
14. Question
1 pointsWhich of the following blended refrigerant can be used to substitute for R-12:
Correct
Incorrect
-
Question 15 of 15
15. Question
1 pointsAt condenser refrigerant changes from ______ to _______ :
Correct
Incorrect