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Question #1

In Red wood viscometer
A
absolute value of viscosity is determined
absolute value of viscosity is determined
B
part of the head of fluid is utilised in overcoming friction
part of the head of fluid is utilised in overcoming friction
C
fluid discharges through or ifice with negligible velocity
fluid discharges through or ifice with negligible velocity
D
comparison of viscosity is done
comparison of viscosity is done
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Question #2

A double acting reciprocating pump compared to
single acting pump will have nearly
A
double efficiency
double efficiency
B
double head
double head
C
double flow
double flow
D
double weight
double weight
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Question #3

Ratio of maximum load to rated plant capacity is
known as
A
Load factor
Load factor
B
Utllization factor
Utllization factor
C
Maximum load factor
Maximum load factor
D
Capacity factor
Capacity factor
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Question #4

For centrifugal pump
A
head  speed2
head  speed2
B
head  diameter 2
head  diameter 2
C
power  speed3
power  speed3
D
none of these
none of these
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Question #5

For small discharge at high pressure, pump
preferred is
A
centrifugal
centrifugal
B
axial flow
axial flow
C
propeller
propeller
D
reciprocating
reciprocating
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Question #6

Power required to drive a centrifugal pump is
proportional to (D = impeller diameter )
A
D
D
B
D2
D2
C
D3
D3
D
D4
D4
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Question #7

As per the aerofoil theory of Kaplan turbine blade
design, guide angle is as the angle between
A
lift and resultant force
lift and resultant force
B
drag and resultant force
drag and resultant force
C
lift and tangential force
lift and tangential force
D
lift and drag
lift and drag
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Question #8

Francis turbine is best suited for
A
medium head application from 24 to 180 m
medium head application from 24 to 180 m
B
high head installation above 180 m
high head installation above 180 m
C
low head installation upto 30 m
low head installation upto 30 m
D
all types of heads
all types of heads
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Question #9

Run away speed of a hydraulic turbine is the speed
A
at full load
at full load
B
at which turbine runner will be damaged
at which turbine runner will be damaged
C
at which the turbine runner is al lowed to revolve freely without load and wit h the wicket gates wide open
at which the turbine runner is al lowed to revolve freely without load and wit h the wicket gates wide open
D
cor r esponding t o maximum overload permissible
cor r esponding t o maximum overload permissible
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Question #10

Hydraulic accumulator is used for
A
accumulating oil
accumulating oil
B
supplying large quantities of oil for very short duration
supplying large quantities of oil for very short duration
C
supplying energy when main supply fails
supplying energy when main supply fails
D
accumulating hydraulic energy
accumulating hydraulic energy
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