EXAMPLE 10.1 The internal and external diameter of the impeller of a centrifugal pump are 300 mm and 600 mm respectively. The pump is running at 1000 r.p.m. The vane angles at inlet and outlet are 200 and 30 ° respectively. The water enters the impeller radially and the velocity of flow is constant. Determine the work done by the impeller per unit weight of water. EXAMPLE 10.1 The internal and external diameter of the impeller of a centrifugal pumpare 300 mm and 600 mm respectively. The pump is running at 1000 r.p.m. The vane anglesat inlet and outlet are 20° and 30° respectively. The water enters the impeller radially andvelocity of flow is constant. Determine the work done by the impeller per unit weight ofwater. 839:51 AXAE令.l山(72B/sA recently built simply supportedRCC roof slab of a single storiedpoultry plant in Rawalpindi, collapsedand killed all the chickens in thefarm. The farm owner blamed thelabor contractor for the defectivework. The contractor denied andaccused the client for providing lowquality and inadequate amount ofsteel bars for the roof slab. The farmowner then asked for compensationfrom the steel bar supplier (forinferior quality bars) and theconsultant (for improper supervisionduring construction). The barsupplier defended herself by sayingthat the farm owner bought thecheapest bar from her which has noguarantee. The consultant reportedthat the cause of the roof collapse isthe use of very dirty water in mixingthe concrete, which was provided bythe farm owner and used by thecontractor despite verbal objectionsfrom the consultant's site supervisor.QuestionsAnalyze the situation carefullyand decide which party (client,II

Answered: EXAMPLE 10.1 The internal and external…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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EXAMPLE 10.1 The internal and external diameter of the impeller of a centrifugal pump are 300 mm and 600 mm respectively. The pump is running at 1000 r.p.m. The vane angles at inlet and outlet are 200 and 30 ° respectively. The water enters the impeller radially and the velocity of flow is constant. Determine the work done by the impeller per unit weight of water.

83
9:51 AXAE
令.l山
(72
B/s
A recently built simply supported
RCC roof slab of a single storied
poultry plant in Rawalpindi, collapsed
and killed all the chickens in the
farm. The farm owner blamed the
labor contractor for the defective
work. The contractor denied and
accused the client for providing low
quality and inadequate amount of
steel bars for the roof slab. The farm
owner then asked for compensation
from the steel bar supplier (for
inferior quality bars) and the
consultant (for improper supervision
during construction). The bar
supplier defended herself by saying
that the farm owner bought the
cheapest bar from her which has no
guarantee. The consultant reported
that the cause of the roof collapse is
the use of very dirty water in mixing
the concrete, which was provided by
the farm owner and used by the
contractor despite verbal objections
from the consultant's site supervisor.
Questions
Analyze the situation carefully
and decide which party (client,
II

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