An example of such a strategy in Zimbabwe is
identify suitable water-lifting devices. Almost
(he program of upgrading family wells (Mtero
all existing human powered pumps tested
and Chimbunde, 1991). However, most of the
could not supply water at more than about 0.3
pumps developed for
community use are
litres per second, which is not sufficient for
either not available to individual households or
irrigation. Two designs were finally selected as
are too expensive.
the most promising for further development,
In recognition of the need for simple
water-
the rope-washer and the treadle (Lambert and
lifting technology, research was carried out to
Faulkner, 1991).
n.
Modification for unlmed ponds or streams.
Questions 28-30
Read the following statements. According to the information in the reading
passage, if the statement is true, write T,
if the statement is false, write F, and if
there is no information about the statement in the reading passage, write NI.
Write your answers in the spaces numbered 28-30 on the answer sheet. One has
been done for you as an example.
Example:
The difficulty in finding water in Africa is highly publicised.
Answer:
T
28. Government agencies only consider dams and rivers as sources of water.
29. The pumps will help African villagers develop small industrial projects.
30. Most of the experimental work has been done in Zimbabwe and Kenya.
Questions 31-36
In the
section after the subheading, The need for water, there are 7 references
cited. Questions 31-36 list 6 of the references. Below is a list of statements A-K
which are supported by the references. Match each reference (Questions 31-36)
with its corresponding statement. Write
the answers A-K, in the spaces numbered
31-36 on the answer sheet. One has been done for you as an example.
There are more statements than references so you won't use them all.
Example :
Answer.
Lambert
and Faulkner, 1991
K
31. Mupawose, 1984
32. Morris and Thorn, 1990
33. Wright, 1986; Arlosoroff et al, 1984; Bell et al, 1987
34. Hofkes and Visscher, 1986
35. Lambert and Faulkner, 1991
36. Mtero and Chimbunde, 1991
List of statements
A Dams usually take up a lot of land so that farmers have to move somewhere
else.
B
There has been little success with irrigation projects.
C
It is important to have an adequate water supply.
D Human power is still cheaper and more readily available.
E
Rainfall is too little and too irregular when most needed.
F
Building dams has helped improve health.
G There is a plan to improve individual domestic wells.
H
Experiments have been done to provide energy to pump water.
I
Most families cannot afford to buy pumps.
J
The design of hand pumps has improved lately.
K The rope washer and treadle will help solve the problem.
Questions 37-43
Below is a paragraph explaining the design and development of the water pump.,
Trere are some words missing from the paragraph. From the
list of words below
select ONE correct word for each space. Write your answers in the spaces
numbered 37-43 on the answer sheet.
Pump design and development
The principle of the rope-washer pump is very old? Dating back to ancient Rome and
China/ A pipe extends from the surface down to below the water 37. ___________.
A loop of rope with washers attached is pulled by a 38. _______________ up
through the pipe. Attached to the rope at intervals are washers travel up 40.
________________ the pipe, they draw water with them which discharges at the top
of the pipe. Historically the pulley was fashioned from wood or steel with teeth to
41. _____________ the washers on the rope. Considerable 42. ___________ was
needed to make a pulley capable of pulling a wet and slippery rope which was under
tension from the 43. _________________ of water in the pipe.
grip
height
level
length
inside
diameter
skill
weight
tension
centre
pulley
handle
size
depth
Over
Strength
Middle
Pump
List
of words