HVAC Technician Interview Questionnaire.

• Date

  Date

• Name of interviewer

• Role

• Name of interviewee

• Gas Safe Number

• Gas Safe Card

  Media

• Position applied for

1. GSIUR 3 (1) places a duty on who?

• you personally to be competent

  True

  False

2. GSIUR 3(2) places a duty on your employer that they must

• be a member of the gas Safe register

  True

  False

• ensure that you are competent for the categories of work undertaken on their behalf.

  True

  False

• provide tools and safety equipment

  True

  False

3. Under GSIUR 3(3) which of the following are true?

• You personally as an employee need to be registered with the Gas Safe Register.

  True

  False

• The employer to be a member of the Gas Safe Register

  True

  False

• A self employed person to be a member of the Gas Safe register.

  True

  False

4. GSIUR 6(2)

• places a duty on any person to always ensure exposed gas ways are sealed when left unattended, with a fitting appropriate for the purpose.

  True

  False

• Places a duty on the competent person not to leave an exposed gas way unattended at any time.

  True

  False

• Places a duty on a competent person to seal a pipe following removal of a portable flueless gas appliance fitted with a "bayonet" type of fitting.

  True

  False

5. GSIUR 6(5) prohibits any person searching for a gas escape to use what?

• A Gascoseeker

  Yes

  No

• Any source of ignition whatever its form

  Yes

  No

• A blow torch

  Yes

  No

• A match

  Yes

  No

6. A gas emergency control must always be accessible to the consumer of Gas

• Yes unless the meter housing has a lock requiring a key

  True

  False

• Always no exceptions

  True

  False

• Not if the meter housing is external to the premises

  True

  False

7. GSIUR 10 states;

• You must always maintain electrical continuity whilst performing Gas Work

  True

  False

• An electrician must provide electrical continuity during Gas Works.

  True

  False

8. In a gas Meter housing (External) it is acceptible to store combustible materials,

• Yes provided the housing is well ventilated

  True

  False

• Yes provided it is stored in sealed containers

  True

  False

• Never

  True

  False

9. GSIUR 14(6) states

• You are allowed to break a Primary Regulator seal as long as you are approved by the Gas Transporter

  True

  False

• Prohibits you from breaking that seal unless you have a new seal

  True

  False

• You are allowed to alter the regulator pressure to 21 millibars where required.

  True

  False

10. A Gas meter emergency notice must be displayed where?

• At the primary meter location

  True

  False

• At the secondary meter location

  True

  False

• At the additional ECV inside the premises

  True

  False

11. A gas tightness test shall be carried out following gas work on any installation pipework upstream of an appliance service valve

• On the full installation always

  True

  False

• Using leak detector fluid on the joints affected

  True

  False

• On the section affected by the works.

  True

  False

12. A gas line in a non-domestic premises is required to be?

• Identified as carrying Natural Gas

  True

  False

13. All non-domestic gas installations with service pipe above 30mm shall have what?

• A gas line drawing in permanent form attached to the building at the gas meter or ECV

  True

  False

• A non return valve on the service pipe

  True

  False

• A secondary meter

  True

  False

• A primary gas meter installed

  True

  False

14. GIUR 26(9) states: Where a person performs work on a gas appliance to immediately thereafter check?

• The effectiveness of the flue

  True

  False

• The supply of combustion air

  True

  False

• Its operating pressure or heat input or both where relevant

  True

  False

• Where operating pressure is not possible for whatever reason, then a thorough visual inspection and a documented Flue Gas Analysis is recorded

  True

  False

• Its safe operation including all safety devices

  True

  False

15. A "powered" flue system must be protected by:

• A pressure switch

  True

  False

• A differential pressure switch

  True

  False

• A fuse

  True

  False

16. GSIUR 34 lays down the requirement on who to ensure that unsafe gas appliances are not used:

• The owner of the premises

  True

  False

• The person responsible for the premises

  True

  False

• Any person with authority for the premises

  True

  False

17. Where gas tests/checks show that an appliance cannot be used safely, who's responsibility in law is it to make this known to the person responsible for the premises

• The employer of the engineer carrying out the work

  Yes

  No

• The engineer carrying out the work

  Yes

  No

• It is upto the responsible person to read the warning notice

  Yes

  No

18. Which of the following actions MUST be taken on discovery of an Immediately Dangerous installation?

• Offer to disconnect, document a warning notice as ID with the defect clearly stated. cap off the appliance, get the notice signed and apply a stick or tie on notice to the appliance/installation.

  Yes

  No

• Where permission is not granted notify the Gas Emergency Service Provider and HVAC Supervisor.

  Yes

  No

• Fill in a warning notice and isolate the offending item, the responsible does not have power to say no.

  Yes

  No

19. Which of the following actions need to be taken when identifying an At Risk installation?

• Offer to make safe by isolation of gas supply

  Yes

  No

• Fill in and have the responsible person sign a warning notice clearly identified with the cause

  Yes

  No

• Isolate gas to the offending item, attach a warning notice sticky or tie on, and have a responsible person sign a warning notice

  Yes

  No

20. The ventilation requirement for all open flued aplliances is calculated how?

• Appliance max input and reference to the appropriate standard

  True

  False

• Appliance max output and reference to the appropriate standard

  True

  False

• Room dimensions

  True

  False

• Flue max length, input, output an appliance type.

  True

  False

21. Ventilators

• Are flyscreens allowed to be fitted to ventilators

  Yes

  No

22. In non-domestic application, compartment vents are always required to be "direct" to outside

• Always

  True

  False

• Dependant on room volume

  True

  False

• Only for open flued appliances

  True

  False

23. High level ventilation is used for What?

• Combustion air

  Yes

  No

• Cooling air

  Yes

  No

• Both Combustion and cooling air

  Yes

  No

• Air for us to breathe during appliance operation

  Yes

  No

24. Working pressure differs from standing pressure how?

• Working pressure is 21millibars and standing pressure is mains available pressure

  True

  False

• Working pressure is the meter outlet pressure with no appliances running

  True

  False

• Working pressure is a dynamic measurement of pressure under flow conditions,

  True

  False

25. When pipework passes through a structure

• It shall be contained within a sleeve and sealed at one end

  True

  False

26. Gas and Electric meters shall be separated by at least

• 25mm

  True

  False

• 150mm

  True

  False

• 600mm

  True

  False

• Should never occupy the same space withing a building

  True

  False

27. what information do we initially need to calculate any tightness test?

• A gas line grawing, accurate and showing all pipework down to 25mm

  True

  False

• System volume

  True

  False

• Gauge Readable Movement

  True

  False

• Meter designation

  True

  False

• Type of area gas pipework is installed

  True

  False

28. What is the minimum tightness test duration for any non-domestic installation to IGE UP1?

• 1 minute

  Yes

  No

• 2 minutes

  Yes

  No

• 6 minutes

  Yes

  No

29. What is the time allowed for temperature stabilisation by IGE UP1

• The tightness test calculated duration

  True

  False

• 6 minutes

  True

  False

• The tightness test calculated duration or 15 minutes whichever is the greater

  True

  False

• Same as the letby period

  True

  False

30. Letby period is?

• same a the tightness test time

  True

  False

• 6 minutes

  True

  False

• 2 minutes

  True

  False

31. When would you have to bypass a component on a gas line

• Never

  True

  False

• When pressure is too low

  True

  False

• When pressure is too high

  True

  False

• Where a component could trap pressure leading to a section not being tested

  True

  False

32. What is the GRM of a water gauge

• 0.25

  Yes

  No

• 0.5

  Yes

  No

• 1.0

  Yes

  No

33. For a room sealed fanned flue condensing boiler, what would be the typical CO2 value?

• 7%

  Yes

  No

• 9.5%

  Yes

  No

• 12%

  Yes

  No

34. For a fan flued condensing boiler, what is an acceptable O2 reading from the concentric air tube sample point?

• 20%

  Yes

  No

• 20.8%

  Yes

  No

• 22%

  Yes

  No

35. What is the accepted maximum CO:CO2 Ratio?

• 0.04

  Yes

  No

• 0.004

  Yes

  No

• 0.0004

  Yes

  No

36. Where should you take the Flue gas reading from where possible?

• Terminal

  Yes

  No

• Secondary Flue

  Yes

  No

• Primary flue

  Yes

  No

37. Where there is only effectively a drilled sample point for a sample, what must we ensure we do following our test?

• Seal the entry point with a suitable plug/tape rated for the temperature

  True

  False

• Leave the hole uncovered

  True

  False

• Seal with tape not rated for the temperature

  True

  False

Declaration

• The above check was carried out by the person named as auditor above, and is an accurate record of the questions asked via telephone interview. The person carrying out this check is currently in possession of the relevant certificates of competency as required by legislation.

• I hereby certify that the details contained within this document have been discussed with the engineer prior to being filed into the personnel file.

• Auditor

  Sign

• Date

  Date