Worksheets2018 Mechanical Chapter 9
Total questions: 50
Worksheet time: 50mins
Name
Class
Date
1.
Fireplaces and solid fuel-burning appliances shall not be installed in _.
a)
hazardous locations
b)
sleeping rooms
c)
assembly occupancies
d)
day care facilities
e)
901.3
2.
Masonry fireplaces shall be constructed in accordance with _.
a)
NCMA TEK 5
b)
TMS 0216
c)
the International Building Code (IBC)
d)
the International Fuel Gas Code (IFGC)
e)
902.1
3.
What is the min. required size of a hearth extension for a factory-built fireplace?
a)
twice the size of the firebox opening
b)
a hearth extension is not required
c)
as set forth in the fireplace listing
d)
60 inches long by 20 inches wide
e)
903.2
4.
An unvented gas log heater may be installed in a factory-built fireplace where the___.
a)
installation is approved by a mechanical engineer
b)
gas log heater complies with the International Fuel Gas Code.
c)
gas log heater has been listed and labeled for such use
d)
fireplace has been listed and labeled for such use
e)
903.3
5.
Unless the factory-built fireplace system has been specifically tested, listed and labeled for the INSTLN, ____ shall not be installed.
a)
gasketed fireplace doors
b)
a tight-fitting damper
c)
a rain cap
d)
chimney offsets
e)
903.4
6.
Fireplace stoves shall be tested in accordance with UL _.
a)
737
b)
1482
c)
127
d)
791
e)
905.1
7.
UL 1482 is the appropriate reference standard for the listing and labeling of ____ and ___.
a)
pellet fuel-burning appliances, factory-built barbecue appliances
b)
solid-fuel-type room heaters, fireplace inserts
c)
incinerators, crematories
d)
unvented gas log heaters, factory-built fireplaces
e)
905.1
8.
Factory-built barbeques shall be approved and installed in accordance with the IMC and the I_C.
a)
Energy Conservation
b)
Fuel Gas
c)
Building
d)
Fire
e)
906.1
9.
Cooling towers and fluid coolers shall be provided with ___.
a)
restricted access
b)
limited access
c)
access
d)
ready access
e)
908.2
10.
Cooling towers shall be located to prevent _____from entering occupied spaces.
a)
discharge vapor plumes
b)
condensate
c)
humidity
d)
water
e)
908.3
11.
Plume discharges from cooling towers shall be a min. of ___ ‘above any Vent. inlets to a bldg, unless adequately separated horizontally.
a)
2
b)
3
c)
4
d)
5
e)
908.3
12.
The location of cooling towers on the property shall be as required in accordance with the I_C.
a)
Mechanical
b)
Zoning
c)
Fire
d)
Building
e)
908.3
13.
Unless adequately separated vertically, plume discharges from cooling towers shall be a min. of _____ ‘away from any Vent.inlets to a bldg..
a)
5
b)
10
c)
15
d)
20
e)
908.3
14.
Protection of the potable water supply system serving cooling towers shall be _.
a)
in accordance with the equipment manufacturer’s instructions
b)
as required by the International Plumbing Code
c)
determined by the municipal water provider
d)
based on peak demand and the size of the water piping
e)
908.5
15.
Drains, overflows and blowdown provisions for cooling towers shall be __ connected to an approved system.
a)
directly
b)
indirectly
c)
temporarily
d)
carefully
e)
908.6
16.
Discharge of chemical waste from a fluid cooler shall be approved by the _________.
a)
EPA
b)
fire department
c)
building safety department
d)
appropriate regulatory authority
e)
908.6
17.
Heat exchange equip. with Flammable fluids shall comply with the International _Code.
a)
Mechanical
b)
Plumbing
c)
Fire
d)
Building
e)
908.7
18.
Which of the following appliances must be tested in accordance with UL 730?
a)
factory-built barbeques
b)
fireplace stoves
c)
unvented gas log heaters
d)
oil-fired vented wall furnaces
e)
909.1
19.
Vented wall furnaces shall not circulate air from __ to other parts of the bldg..
a)
bathrooms
b)
sleeping rooms
c)
habitable rooms
d)
kitchens
e)
909.2
20.
Vented wall furnaces shall be located to maintain a min. clear door swing. of __ “ from any air inlet.
a)
2
b)
6
c)
12
d)
18
e)
909.3
21.
Ducts shall not be attached to vented wall furnaces _____.
a)
unless of noncombustible construction
b)
unless of a temporary nature
c)
unless listed as part of the appliance
d)
under any conditions
e)
909.4
22.
Regarding vented wall furnaces, casing extension boots shall not be installed ___.
a)
unless approved by a registered mechanical engineer
b)
unless approved by the building safety department
c)
unless listed as part of the appliance
d)
under any conditions
e)
909.4
23.
A(n) _shall be installed ahead of all controls for a vented wall furnace.
a)
manual shutoff valve
b)
automatic shutoff valve
c)
regulating valve
d)
flexible connector
e)
909.5
24.
Access panels that must be removed for normal servicing operations on vented wall furnaces shall not _.
a)
be of combustible material
b)
be attached to the building construction
c)
have less than 36 inches of clear working space
d)
be located below any overhead obstruction
e)
909.6
25.
Oil-fired floor furnaces shall be tested in accordance with UL _____.
a)
792
b)
729
c)
972
d)
279
e)
910.1
26.
Floor furnaces shall be placed a min. of _” from the nearest wall.
a)
4
b)
6
c)
8
d)
12
e)
910.2
27.
Wall register floor furnaces shall be placed a min. of _ “ from a corner.
a)
4
b)
6
c)
8
d)
12
e)
910.2
28.
Registers for floor furnaces shall be placed a min. of _ “ from draperies and similar combustible mtrl.s.
a)
4
b)
6
c)
8
d)
12
e)
910.2
29.
Floor furnaces shall not be installed in _ constr. built on grade.
a)
combustible
b)
concrete floor
c)
treated wood
d)
noncombustible
e)
910.2
30.
In general, floor furnaces shall have a min. clear. from grade of not less than_ “.
a)
6
b)
12
c)
18
d)
24
e)
910.4
31.
The control side of a floor furnace shall have a min. clear. of _”.
a)
6
b)
12
c)
18
d)
24
e)
910.4
32.
Other than on the control side, a min. clear. of _ “ is required on all sides of a floor furnace.
a)
6
b)
12
c)
18
d)
24
e)
910.4
33.
Where a floor furnace is sealed to prevent water entrance, a min. clear. of _ “ is required from the grade level.
a)
1
b)
2
c)
3
d)
4
e)
910.4
34.
Electric Comm. clothes dryers shall be tested in accordance with _.
a)
UL 2158
b)
UL 1996
c)
UL 1240
d)
UL 197
e)
913.1
35.
The min. side clear. to combustibles for a Comm. clothes dryer shall be_.
a)
4 inches
b)
8 inches
c)
12 inches
d)
determined by the manufacturer’s instructions
e)
913.3
36.
Sauna heaters shall be _.
a)
listed and labeled to UL 731
b)
controlled by a timer
c)
protected by a guard
d)
supported by noncombustible materials
e)
914.1.1
37.
Sauna heaters must be equipped with a thermostat that will limit room temperature to a max. of _ ºF.
a)
175
b)
180
c)
186
d)
194
e)
914.4
38.
If a thermostat is not part of the sauna heater, a heat-sensing element shall be located a max. of _ “ below the ceiling.
a)
4
b)
6
c)
8
d)
12
e)
914.4
39.
A timer controlling a sauna heater shall have a max. operating time of _ minutes.
a)
30
b)
45
c)
60
d)
90
e)
914.4.1
40.
The required Vent.opening into a sauna room shall be a min. of _ “ by _ “ and located near the door's top.
a)
4, 4
b)
4, 8
c)
6, 6
d)
6, 8
e)
914.5
41.
A notice shall be attached to the sauna room, stating "Do not exceed _ minutes in sauna.
a)
30
b)
45
c)
60
d)
90
e)
914.5.1
42.
Cooking appliances shall be listed and labeled _-type appliances for domestic use.
a)
residential
b)
household
c)
noncommercial
d)
limited
e)
917.2
43.
Hangers for a suspended unit heater must be _.
a)
designed by a registered design professional
b)
noncombustible
c)
provided by the appliance manufacturer
d)
steel angle iron
e)
920.2
44.
Suspended oil-fired unit heaters shall be installed in accordance with _________.
a)
UL 731
b)
NFPA 37
c)
UL 896
d)
NFPA 31
e)
920.2
45.
Unless listed for such an INSTLN, a unit heater shall not be _.
a)
installed on combustible construction
b)
placed closer than 20 inches to combustible construction
c)
attached to a warm-air duct system
d)
installed in a hazardous location
e)
920.3
46.
Masonry heaters shall be constructed in accordance with the International _Code.
a)
Mechanical
b)
Building
c)
Fuel Gas
d)
Fire
e)
925.1
47.
Radiant heating system panels shall be installed on or between framing members.
a)
parallel to
b)
perpendicular to
c)
within 1/4 inch of
d)
spanning a minimum of two
e)
927.3, #1
48.
For a radiant heating panel attached to wood framing, fasteners shall be a min. of _ “ from any element.
a)
1
b)
3/4*
c)
1/2*
d)
1/4*
e)
927.3, #2
49.
The quality of water supplied to evaporative cooling equip. shall be in accordance with the_.
a)
International Plumbing Code
b)
equipment manufacturer’s recommendation
c)
regulating authority
d)
listing of the pump
e)
928.1, #4
50.
Listed and labeled hearth extensions shall comply with _ for factory-built fireplaces, fireplace stoves and solid-fuel-type room heaters.
a)
UL 127
b)
UL 1482
c)
UL 1618
d)
ASTM E1509
e)
903.2 and 905.3
100 %
