Q2) Choose the most suitable answer: 1. The maximum power transmitted by the jet on a moving flat plate is occurs when: a:u=V/3 b:u=V/2 c:u=V d:u=V/4 2. The angle of deflection between the tangents of the tips of symmetrical vane when the jet shooting the vane at its center is: a: 180 – 0 b:180 + 0 c: 180 – 20 d:180 3. The kinetic energy per unit mass is: a:V /2g b:V /2 c:V /g d:V / p
Q2) Choose the most suitable answer: 1. The maximum power transmitted by the jet on a moving flat plate is occurs when: a:u=V/3 b:u=V/2 c:u=V d:u=V/4 2. The angle of deflection between the tangents of the tips of symmetrical vane when the jet shooting the vane at its center is: a: 180 – 0 b:180 + 0 c: 180 – 20 d:180 3. The kinetic energy per unit mass is: a:V /2g b:V /2 c:V /g d:V / p
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
None
![Q2) Choose the most suitable answer:
1. The maximum power transmitted by the jet on a moving flat plate is occurs when:
a:u=V/3
b:u=V/2
c:u=V
d:u=V/4
2. The angle of deflection between the tangents of the tips of symmetrical vane when
the jet shooting the vane at its center is:
a: 180 – 0
b:180 + 0
c: 180 – 20
d:180
3. The kinetic energy per unit mass is:
a:V /2g
b:V /2
c:V /8
d:V / P
4. The hydraulic machine which converts the fluid energy to shaft power is known as:
a:Pump
b:Turbine
c:Impeller
d:The correct answer is not exist
5. The term impulse turbine refers to:
a:Tangential action of jet
b:axial action of jet
c:Radial action of jet
d:Both axial and radial flow action
6. Kaplan turbine working under:
a:high head and low discharge
b: high rate of discharge and low head
c:medium rate of head and discharge
d:The correct answer is not exist
7. The tangential velocity for a series of radial curved vanes at the outlet is:
a: less than the tangential velocity at inlet
c: equal the tangential velocity at inlet
b: greater than the tangential velocity at inlet d:The correct answer is not exist
8. The action of jet coming out from an orifice is equal in magnitude with
direction to the reaction force.
a:same
b:opposite
c:Normal
d:The correct answer is not exist
9. Cavitation in centrifugal pump begins when the pressure at the suction pipe
b:falling below the vapor pressure
a:rising above the vapor pressure
c:equal to the atmospheric pressure
d:The correct answer is not exist
10. A centrifugal pump running at ( 2950 r.p.m), delivers (0.05 m'/s) at a head of
(75m). The specific speed based on rotational speed in (r.p.s) is:
а:25.88
b:0.43
c:5.78
d:30](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F65c2ad45-26a0-4103-837a-a9341b20aae6%2F26192dc7-3c85-44e8-bf73-912cbda39c69%2F59u4gzx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q2) Choose the most suitable answer:
1. The maximum power transmitted by the jet on a moving flat plate is occurs when:
a:u=V/3
b:u=V/2
c:u=V
d:u=V/4
2. The angle of deflection between the tangents of the tips of symmetrical vane when
the jet shooting the vane at its center is:
a: 180 – 0
b:180 + 0
c: 180 – 20
d:180
3. The kinetic energy per unit mass is:
a:V /2g
b:V /2
c:V /8
d:V / P
4. The hydraulic machine which converts the fluid energy to shaft power is known as:
a:Pump
b:Turbine
c:Impeller
d:The correct answer is not exist
5. The term impulse turbine refers to:
a:Tangential action of jet
b:axial action of jet
c:Radial action of jet
d:Both axial and radial flow action
6. Kaplan turbine working under:
a:high head and low discharge
b: high rate of discharge and low head
c:medium rate of head and discharge
d:The correct answer is not exist
7. The tangential velocity for a series of radial curved vanes at the outlet is:
a: less than the tangential velocity at inlet
c: equal the tangential velocity at inlet
b: greater than the tangential velocity at inlet d:The correct answer is not exist
8. The action of jet coming out from an orifice is equal in magnitude with
direction to the reaction force.
a:same
b:opposite
c:Normal
d:The correct answer is not exist
9. Cavitation in centrifugal pump begins when the pressure at the suction pipe
b:falling below the vapor pressure
a:rising above the vapor pressure
c:equal to the atmospheric pressure
d:The correct answer is not exist
10. A centrifugal pump running at ( 2950 r.p.m), delivers (0.05 m'/s) at a head of
(75m). The specific speed based on rotational speed in (r.p.s) is:
а:25.88
b:0.43
c:5.78
d:30
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