FULL ANSWERS GRADED A+
⩥ What is the required minimum clearance from combustible material
above a pendant type gas lamp?
a.
15
b.
5
c.
18
d.
12.
Answer: 18
,⩥ What is the required minimum clearance from combustible material
for the back of a domestic clothes dryer?
a.
3 in
b.
6 in
c.
12 in
d.
9 in.
Answer: 6 in
⩥ What type of gas connector may be used to connect a barbeque to
housing piping?
,a.
approved hose
b.
corrugated metal gas connector
c.
hydraulic hose
d.
metallic gas hose.
Answer: Approved hose
⩥ What type of protection does a range require if it is certified for zero
side clearance from combustible material?
a.
1/4 inch asbestos millboard
, b.
no protection required
c.
28 MSG sheet metal spaced out 0.25 inch
d.
28 MSG sheet metal applied directly to the combustible material..
Answer: 28 MSG sheet metal spaced out 0.25 inch
⩥ When can moisture exhaust ducts from clothes dryers be screwed
together:
a.
only in retrofit applications
b.
only when approved by the manufacturer