ABSA Part B UPDATED ACTUAL Questions and CORRECT
Answers
With the fusible plug type of 99
temperature relief device, the
fusible plug will melt at __________
degrees Celsius and
allow hot water to escape.
a) 131
b) 121
c) 101.3
d) 100
e) 99
The copper tube tubular boiler can be gas or oil fired
a) can be gas or oil fired
b) has a one part heating
surface
c) has the furnace in the upper
section
d) is highly susceptible to
corrosion
e) is capable of very large
capacities
Raising the condensing point compressor
(saturation temperature) of the
refrigerant vapour above the
temperature of the cooling
medium is the function of the
a) compressor
b) condenser
c) evaporator
d) absorber
e) refrigerant
,A prime mover is a steam turbine
a) an electric motor
b) a steam turbine
c) a centrifugal pump
d) an air compressor
e) a boiler
Large power production plants the heat cycle they use is the most efficient
tend to be of the thermal type
because they can burn solid
fuels and:
a) they are the least expensive
to build
b) the noise level is much less
than internal combustion
engines
c) the heat cycle they use is the
most efficient
d) solid fuels are the most
plentiful and cheapest
e) require the least amount of
manpower
Whenever feasibly possible, get accustomed to normal running temperature and
when checking bearings on vibration by feel
running
pieces of equipment it is wise to
a) check the oil quality leaving
each
b) check the oil quantity leaving
each
c) get accustomed to normal
running temperature and
vibration by feel
d) smell the normal odors of the
running bearing
e) observe the temperature on a
thermometer
One of the first ways to detect a by sound
fault in a reciprocating
engine is
a) by sound
b) temperature indication
c) performance efficiency
d) by oil consumption
e) by smell
, A steam turbine's exhaust can it is free of oil
often supply a process with
steam because
a) processes always require a
lower steam pressure
b) processes never require the
high steam temperatures
turbines do
c) turbine exhaust steam is
always dry and saturated
d) it is free of oil
e) the steam will be at a
temperature above the initial
tempature
The exhaust steam from a steam it is free of oil
turbine is more acceptable for
process than the exhaust from a
steam engine because
a) it is much hotter
b) it is easily controlled
c) it is free of oil
d) it is free of moisture
e) it contains more condensate
Turbines often have segmental garter springs
carbon ring sealing glands
which are held in place by
a) labyrinths
b) shrouding
c) drive screws
d) garter springs
e) thrust runners
A steam turbine should trip or 10 to 15%
shut down when normal
operating speed is exceeded by
a) 250 RPM
b) 3 to 5%
c) 50 RPM
d) 10 to 15%
e) 25 RPM
Condensing turbines will have a vacuum in the last row of rotating blades
a) are always impulse turbines
b) will have a vacuum in the last
row of rotating blades
c) will use the condensate for
heating
d) are very small units
e) cannot have counterflow
stages
Answers
With the fusible plug type of 99
temperature relief device, the
fusible plug will melt at __________
degrees Celsius and
allow hot water to escape.
a) 131
b) 121
c) 101.3
d) 100
e) 99
The copper tube tubular boiler can be gas or oil fired
a) can be gas or oil fired
b) has a one part heating
surface
c) has the furnace in the upper
section
d) is highly susceptible to
corrosion
e) is capable of very large
capacities
Raising the condensing point compressor
(saturation temperature) of the
refrigerant vapour above the
temperature of the cooling
medium is the function of the
a) compressor
b) condenser
c) evaporator
d) absorber
e) refrigerant
,A prime mover is a steam turbine
a) an electric motor
b) a steam turbine
c) a centrifugal pump
d) an air compressor
e) a boiler
Large power production plants the heat cycle they use is the most efficient
tend to be of the thermal type
because they can burn solid
fuels and:
a) they are the least expensive
to build
b) the noise level is much less
than internal combustion
engines
c) the heat cycle they use is the
most efficient
d) solid fuels are the most
plentiful and cheapest
e) require the least amount of
manpower
Whenever feasibly possible, get accustomed to normal running temperature and
when checking bearings on vibration by feel
running
pieces of equipment it is wise to
a) check the oil quality leaving
each
b) check the oil quantity leaving
each
c) get accustomed to normal
running temperature and
vibration by feel
d) smell the normal odors of the
running bearing
e) observe the temperature on a
thermometer
One of the first ways to detect a by sound
fault in a reciprocating
engine is
a) by sound
b) temperature indication
c) performance efficiency
d) by oil consumption
e) by smell
, A steam turbine's exhaust can it is free of oil
often supply a process with
steam because
a) processes always require a
lower steam pressure
b) processes never require the
high steam temperatures
turbines do
c) turbine exhaust steam is
always dry and saturated
d) it is free of oil
e) the steam will be at a
temperature above the initial
tempature
The exhaust steam from a steam it is free of oil
turbine is more acceptable for
process than the exhaust from a
steam engine because
a) it is much hotter
b) it is easily controlled
c) it is free of oil
d) it is free of moisture
e) it contains more condensate
Turbines often have segmental garter springs
carbon ring sealing glands
which are held in place by
a) labyrinths
b) shrouding
c) drive screws
d) garter springs
e) thrust runners
A steam turbine should trip or 10 to 15%
shut down when normal
operating speed is exceeded by
a) 250 RPM
b) 3 to 5%
c) 50 RPM
d) 10 to 15%
e) 25 RPM
Condensing turbines will have a vacuum in the last row of rotating blades
a) are always impulse turbines
b) will have a vacuum in the last
row of rotating blades
c) will use the condensate for
heating
d) are very small units
e) cannot have counterflow
stages
