Chapter 16 Burners for Boilers

Question 1

Air that is used to vaporize the fuel for easier burning is called ______ air.

a) Secondary
b) Primary
c) Atmospheric
d) Atomizing

Answer 1

d) Atomizing

Question 2

Gas burners that are commonly found on hot water heaters are ___________.

a) Power
b) Atmospheric
c) Primary
d) Secondary

Answer 2

b) Atmospheric

Question 3

The type of pilot burner that is automatically ignited at the start of each burner operation and continues to burn throughout the main burner “on” period is called the _______ pilot.

a) Continuous
b) Interrupted
c) Standing
d) Intermittent

Answer 3

d) Intermittent

Question 4

A type of valve used as a shut-off valve in pilot and main burner supply lines that uses an electromagnetic coil to activate it is a ________ valve.

a) Check
b) Globe
c) Motorized
d) Solenoid

Answer 4

d) Solenoid

Question 5

Before light oil can be burned properly it must be ________.

a) Heated
b) Pasteurized
c) Swirled
d) Atomized

Answer 5

d) Atomized

Question 6

The type of oil burner that forces the oil through a very fine nozzle port is a _______ burner.

a) Rotary cup
b) Mechanical
c) Steam atomizing
d) Centrifugal

Answer 6

b) Mechanical

Question 7

The result of an automatic gas valve opening too quickly is called a _________.

a) Light-off
b) Boiler explosion
c) Pressure explosion
d) Puff-back

Answer 7

d) Puff-back

Question 8

Heavy oils must be heated to approximately ______ before they can be atomized.

a) 95 C (203 F)
b) 59 C (122 F)
c) 125 C (257 F)
d) 165 C (329 F)

Answer 8

a) 95 C (203 F)

Question 9

An oil storage tank must be located at least ________ away from the furnace.

a) 1 m (3.3 ft)
b) 1.5 m (4.9 ft)
c) 0.6 m (2.0 ft)
d) 3.0 m (9.8 ft)

Answer 9

c) 0.6 m (2.0 ft)