UNIT B-3 BOILER SAFETY DEVICES
(POWER ENGINEERING) QUESTIONS
WITH 100% CORRECT!!
1 of 40
Term
BMS programming controllers are also known as:
pilot flame relay
final control element
primary controller
combustion programmers
Give this one a try later!
, a c
b d
Don't know?
2 of 40
Term
During a programmed start-up if an igniter spark is visible but no
flame appears the operator should suspect:
a) low boiler water level
b) the main burner manual fuel valve is closed
c) the pilot manual fuel valve is closed
d) the flame scanner signal is weak
Give this one a try later!
c a
d b
Don't know?
3 of 40
,Term
Flame rods:
a) are used on all heating boilers
b) are commonly used with oil-fired boilers only
c) are commonly used with gas-fired boilers only
d) are not affected by deposits of carbon
Give this one a try later!
b c
d a
Don't know?
4 of 40
Term
ASME I PG-60.6.1 states that the pressure gauge connections to a high
steam boiler, except the syphon must not be less than:
a) NPS ¼ (DN8)
b) NPS ½ (DN13)
c) NPS ¾ (DN20)
d) NPS 1 (DN33)
Give this one a try later!
, c d
b a
Don't know?
5 of 40
Term
One of the possible causes for safety relief valves to weep on a hot
water heating system is:
a) too much air in the system
b) a waterlogged hot water heating system
c) too many safety valves are in service
d) the expansion tank is half full
Give this one a try later!
c a
d b
Don't know?
6 of 40
(POWER ENGINEERING) QUESTIONS
WITH 100% CORRECT!!
1 of 40
Term
BMS programming controllers are also known as:
pilot flame relay
final control element
primary controller
combustion programmers
Give this one a try later!
, a c
b d
Don't know?
2 of 40
Term
During a programmed start-up if an igniter spark is visible but no
flame appears the operator should suspect:
a) low boiler water level
b) the main burner manual fuel valve is closed
c) the pilot manual fuel valve is closed
d) the flame scanner signal is weak
Give this one a try later!
c a
d b
Don't know?
3 of 40
,Term
Flame rods:
a) are used on all heating boilers
b) are commonly used with oil-fired boilers only
c) are commonly used with gas-fired boilers only
d) are not affected by deposits of carbon
Give this one a try later!
b c
d a
Don't know?
4 of 40
Term
ASME I PG-60.6.1 states that the pressure gauge connections to a high
steam boiler, except the syphon must not be less than:
a) NPS ¼ (DN8)
b) NPS ½ (DN13)
c) NPS ¾ (DN20)
d) NPS 1 (DN33)
Give this one a try later!
, c d
b a
Don't know?
5 of 40
Term
One of the possible causes for safety relief valves to weep on a hot
water heating system is:
a) too much air in the system
b) a waterlogged hot water heating system
c) too many safety valves are in service
d) the expansion tank is half full
Give this one a try later!
c a
d b
Don't know?
6 of 40
