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Recent questions in IES Objectives-1
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In M-L-T system, what is the dimension of specific speed for a rotadynamic pump?
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
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ies-objectives-1
2006
fm
hydraulic-pumps
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If Ns1 is the specific speed of a pump handling larger discharges at low heads and Ns2 is
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
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ies-objectives-1
2006
fm
hydraulic-pumps
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What would be the ratio of the heads H1/H2?
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Jan 13, 2018
in
FM
by
chandu
(
215k
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ies-objectives-1
2007
fm
hydraulic-pumps
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The vanes of a centrifugal pump are generally
asked
Jan 13, 2018
in
FM
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chandu
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215k
points)
ies-objectives-1
2007
fm
hydraulic-pumps
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The power absorbed by a hydrazine pump is directly proportional to which one of the following?
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Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2007
fm
hydraulic-pumps
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The required pump power, in kW, will be
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2011
fm
hydraulic-pumps
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0
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Before starting a centrifugal pump it is to
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Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2011
fm
hydraulic-pumps
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Increase in static suction lift of centrifugal pump may cause cavitation
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2011
fm
hydraulic-pumps
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answers
What is the specific speed of the pump in meter-minutes?
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2009
fm
hydraulic-pumps
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If the rotative speed is 3000 rpm and manometric efficiency 0·8 then what is the net head developed?
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2009
fm
hydraulic-pumps
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The volute casing of a centrifugal pump has which of the following functions?
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2008
fm
hydraulic-pumps
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Why is multi-staging in centrifugal pumps used?
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2008
fm
hydraulic-pumps
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What are the resulting discharge (Q) and head (H)?
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Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2008
fm
hydraulic-pumps
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Centrifugal pumps have which of the following advantages?
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Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2008
fm
hydraulic-pumps
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Why is an air vessel used in a reciprocating pump?
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2008
fm
hydraulic-pumps
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Which one of the following pumps is not a positive displacement pump?
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2007
fm
hydraulic-pumps
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Volumetric flow rate Q, acceleration due to gravity g arid head H form a dimensionless group, which is given by
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2002
fm
hydraulic-pumps
0
votes
0
answers
A centrifugal pump gives maximum efficiency when its blades are
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2002
fm
hydraulic-pumps
0
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0
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When it is operated at 2000 RPM, its power consumption and head generated would be
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2002
fm
hydraulic-pumps
0
votes
0
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In utilizing scaled models in the designing of turbo machines, which of the following relationships must be satisfied?
asked
Jan 13, 2018
in
FM
by
chandu
(
215k
points)
ies-objectives-1
2002
fm
hydraulic-pumps
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