where do we use stays on a fire-tube boiler?
A) at the top of the boiler
b)outside of the boiler to mounting brackets
c) in the steam space of the boiler
d)between the tubes
C
vanstone flange held in place?
A)screwed fittings
B)loosely
C) threaded
d)star pattern
B
effiency of electrostatic precipitator?
a) 84%
b)92.9%
c)98.9%
d)99.9%
D
what is aluminum made from?
1)pig iron
2)aluxes
3)bauxite
4)copper
3
what is a class C fire?
a)electrical fire
b)metal fire
c)kitchen fire
d)wood fire
A
name of field rotation speed?
A)gernerator action
B)magnetic flux
C)motor action
D)synchronous speed
D
cooling towers are used to reduce?
a)energy waste
b)chemical/pollution
c)GHG"S
d)thermal pollution
D
CSA BSI section7 describes
a) repairs and alterations
, b) refrigeration equipment
c)identification
d)pressure vessels
D
what is the number of coils in the secondary winding if the primary has 120V and
300 turns and outputs 12v?
a) 3000
b)4.8
c)48
d)30
D
MSDS provider?
a)employee
b)supplier
c)foreman
d)employer
B
if a wire is stretched the resistance?
a)increases
b)decreaases
c)stays the same
d)doubles
A
if a wire is stretched the resistance?
a)increases
b)decreaases
c)stays the same
d)doubles
Determine the resultant for 10N,120° +5N 30°
a)12.09N,100°
b)11.18N,93.4°
c)25.67N,150°
d)32.22N,166°
B
this method of flue gas desulfurization recycles the SO2 absorbent medium
a)non-recyclables
b)regenerable
c)limstone
d)pulsed fluorecsence
B
the lowest boiling point of water is at?
a)3000m above sea level
b)just below sea level
c)1000m above sea level
d)at 101.3kpa
A