Quiz – 1

Question 1

Time: 00:00:00
In Red wood viscometer

absolute value of viscosity is determined

absolute value of viscosity is determined

part of the head of fluid is utilised in overcoming friction

part of the head of fluid is utilised in overcoming friction

fluid discharges through or ifice with negligible velocity

fluid discharges through or ifice with negligible velocity

comparison of viscosity is done

comparison of viscosity is done

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Question 2

Time: 00:00:00
A double acting reciprocating pump compared to

single acting pump will have nearly

double efficiency

double efficiency

double head

double head

double flow

double flow

double weight

double weight

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Question 3

Time: 00:00:00
Ratio of maximum load to rated plant capacity is

known as

Load factor

Load factor

Utllization factor

Utllization factor

Maximum load factor

Maximum load factor

Capacity factor

Capacity factor

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Question 4

Time: 00:00:00
For centrifugal pump

head  speed2

head  speed2

head  diameter 2

head  diameter 2

power  speed3

power  speed3

none of these

none of these

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Question 5

Time: 00:00:00
For small discharge at high pressure, pump

preferred is

centrifugal

centrifugal

axial flow

axial flow

propeller

propeller

reciprocating

reciprocating

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Question 6

Time: 00:00:00
Power required to drive a centrifugal pump is

proportional to (D = impeller diameter )

D

D

D2

D2

D3

D3

D4

D4

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Question 7

Time: 00:00:00
As per the aerofoil theory of Kaplan turbine blade

design, guide angle is as the angle between

lift and resultant force

lift and resultant force

drag and resultant force

drag and resultant force

lift and tangential force

lift and tangential force

lift and drag

lift and drag

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Question 8

Time: 00:00:00
Run away speed of a hydraulic turbine is the speed

at full load

at full load

at which turbine runner will be damaged

at which turbine runner will be damaged

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

cor r esponding t o maximum overload permissible

cor r esponding t o maximum overload permissible

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Question 9

Time: 00:00:00
Hydraulic accumulator is used for

accumulating oil

accumulating oil

supplying large quantities of oil for very short duration

supplying large quantities of oil for very short duration

supplying energy when main supply fails

supplying energy when main supply fails

accumulating hydraulic energy

accumulating hydraulic energy

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Question 10

Time: 00:00:00
Francis turbine is best suited for

medium head application from 24 to 180 m

medium head application from 24 to 180 m

high head installation above 180 m

high head installation above 180 m

low head installation upto 30 m

low head installation upto 30 m

all types of heads

all types of heads

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June 28, 2019