ABSA finals UPDATED ACTUAL Questions and CORRECT Answers
A centrifugal pump consists of an impeller surrounded by a casing
a circulating pump is usually a once through device
has stationary guide vanes surrounding impeller and has a higher efficiency than
A diffuser pump
volume type
, a double-acting pump is a positive displacement pump
a high pressure pump is the volute
a hot water heating system circulator be directly coupled
should
a multi stage pump would be used when the head is great
a pump is capable of suction lift due to atmospheric pressure
a positive displacement stand by-pump will suction valve open and the discharged closed
have the
a rotary pump should be equipped with a relief valve
a volute type pump reduces the velocity in the discharge nozzle
cavitation of a pump refers to, when the pump is filled with vapor
Centrifugal pumps conver rotating into potential as pressure
mechanical energy into kinetic energy then
centrifugal pumps do not develop good they favour pressure than volume
suction lift because
pumps handling cryogenic materials at extremely low temperature
operate
rotary pumps should be started with the positive displacement pumps
discharge valve open, because they are
the capacity of a centrifugal pump should throttling the suction valve
only be reduced by
rotary pumps are high pressure and are positive displacement pumps
the difference between static suction head total static head
and static discharge head is
the name given to pumps, which use gear rotary type
teeth,vanes, lobes, or sliding vanes to move
the fluid being pumped, is the
the total static head of a pump is the difference between the static suction head and the static discharge head
the vertical distance from the liquid surface static suction head
up to the pump center-line plus the vertical
distance from the pimp center-line up to
the surface of the liquid in the discharge
tank is:
to reduce pump cavitation open the vent valve and close the suction valve
to transfer large amounts of liquid you centrifugal pump
would use a
turbine pumps are best suited for low capacity high pressure service
are high capacity, are high pressure pumps, and has the liquid gain energy in a
turbine pumps:
number of impulses
when a reciprocating pump discharge simple acting unit
while its piston or plunger moves in only
one direction, it is termed a
when starting-up a rotary pump you must discharge valve is open
make sure that the
A centrifugal pump consists of an impeller surrounded by a casing
a circulating pump is usually a once through device
has stationary guide vanes surrounding impeller and has a higher efficiency than
A diffuser pump
volume type
, a double-acting pump is a positive displacement pump
a high pressure pump is the volute
a hot water heating system circulator be directly coupled
should
a multi stage pump would be used when the head is great
a pump is capable of suction lift due to atmospheric pressure
a positive displacement stand by-pump will suction valve open and the discharged closed
have the
a rotary pump should be equipped with a relief valve
a volute type pump reduces the velocity in the discharge nozzle
cavitation of a pump refers to, when the pump is filled with vapor
Centrifugal pumps conver rotating into potential as pressure
mechanical energy into kinetic energy then
centrifugal pumps do not develop good they favour pressure than volume
suction lift because
pumps handling cryogenic materials at extremely low temperature
operate
rotary pumps should be started with the positive displacement pumps
discharge valve open, because they are
the capacity of a centrifugal pump should throttling the suction valve
only be reduced by
rotary pumps are high pressure and are positive displacement pumps
the difference between static suction head total static head
and static discharge head is
the name given to pumps, which use gear rotary type
teeth,vanes, lobes, or sliding vanes to move
the fluid being pumped, is the
the total static head of a pump is the difference between the static suction head and the static discharge head
the vertical distance from the liquid surface static suction head
up to the pump center-line plus the vertical
distance from the pimp center-line up to
the surface of the liquid in the discharge
tank is:
to reduce pump cavitation open the vent valve and close the suction valve
to transfer large amounts of liquid you centrifugal pump
would use a
turbine pumps are best suited for low capacity high pressure service
are high capacity, are high pressure pumps, and has the liquid gain energy in a
turbine pumps:
number of impulses
when a reciprocating pump discharge simple acting unit
while its piston or plunger moves in only
one direction, it is termed a
when starting-up a rotary pump you must discharge valve is open
make sure that the
