MEP - Mechanical Systems Actual Exam Questions
With Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update
(Verified Pass)
1. What is a "Pittsburgh" snap lock? - ANSWER A type of duct joint
2. What are the types of ceiling registers? - ANSWER one-way, two-way,
three-way, four-way
3. Which duct systems are usually sized using equal friction method? -
ANSWER Low velocity, with a duct length of 100 ft. or less
4. What is a component used in some ducts to minimize air stream noise? -
ANSWER Perforated steel liner
5. Total pressure in a duct system is the sum of ______ and velocity pressures.
- ANSWER Static
6. What are the HVAC zoning alternatives? - ANSWER 1. Individual Units
2. Single Zone
3. Zoned
4. Multizone
, 7. Which one of the components is not part of an air-conditioning control and
distribution system? - ANSWER Fit-tube convector
8. Air stream coming out from a register slows down to a comfortable velocity
at the end of the throw. What is the range of velocity of that air stream (in
FPM)? - ANSWER 50 - 100
9. Which one of the following statements is not true for a VAV installation? -
ANSWER Supply air temperature in this system varies in response to
varying heating/cooling loads
10.Vapor barriers are installed on or near the ______ side of a construction. -
ANSWER Warm
11.What is meant by grain difference? - ANSWER Water vapor difference
between outdoor and indoor air in grains per pound of dry air
12.What is the driving force for water vapor movement? - ANSWER
Difference in vapor pressure
13.Which one of the following air/water vapor mixture characteristics cannot
be read from a psychrometric chart? - ANSWER Equivalent temperature
14.Latent heat exists in the water vapor carried by air. - ANSWER True
With Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update
(Verified Pass)
1. What is a "Pittsburgh" snap lock? - ANSWER A type of duct joint
2. What are the types of ceiling registers? - ANSWER one-way, two-way,
three-way, four-way
3. Which duct systems are usually sized using equal friction method? -
ANSWER Low velocity, with a duct length of 100 ft. or less
4. What is a component used in some ducts to minimize air stream noise? -
ANSWER Perforated steel liner
5. Total pressure in a duct system is the sum of ______ and velocity pressures.
- ANSWER Static
6. What are the HVAC zoning alternatives? - ANSWER 1. Individual Units
2. Single Zone
3. Zoned
4. Multizone
, 7. Which one of the components is not part of an air-conditioning control and
distribution system? - ANSWER Fit-tube convector
8. Air stream coming out from a register slows down to a comfortable velocity
at the end of the throw. What is the range of velocity of that air stream (in
FPM)? - ANSWER 50 - 100
9. Which one of the following statements is not true for a VAV installation? -
ANSWER Supply air temperature in this system varies in response to
varying heating/cooling loads
10.Vapor barriers are installed on or near the ______ side of a construction. -
ANSWER Warm
11.What is meant by grain difference? - ANSWER Water vapor difference
between outdoor and indoor air in grains per pound of dry air
12.What is the driving force for water vapor movement? - ANSWER
Difference in vapor pressure
13.Which one of the following air/water vapor mixture characteristics cannot
be read from a psychrometric chart? - ANSWER Equivalent temperature
14.Latent heat exists in the water vapor carried by air. - ANSWER True
