郭日橋業
和技師,塑膠業的同衆鬥就隱疾所不際。熟練工
泰
對學苔目文工務區,開與工無界之創力消財實此
H
。對業力於各公
日前有被撞一級,亦至少有同楼的效果。他們四明白用手
·梅門技工的百·版
物,其定政府內部 碴量之雅行均包各 【商讲究之病果,可各市員會之成長均爲對某面 開 個山之畏,亦小且於大學學中,無論何人 政府施,及岩而成爲知名人 |浸會學院同學四團體辦
聖誕同樂慈善運動
擴大服務區域對象
继锭「欧ē墼驳脅」,幽之內容,有將滾帶物 昨與無綫電視擧行篮球在
育教伍華頁三張四第 日四初月一十年戌庚属夏 WAH KIU YAT PO.
:本人於此再彩罐內上 渴會各玉出及愛 訂將之工作出針外,往生如設立,找廁觀」及「安飾杜一艘兩黨再被一個
小小種本工族以够成,最技術視各位在本工帝君與辦「燕同像費滿,具有服務活動全部 運動,本年度擴大服務費用約爲五不寬,均由
清各酒技能之商前那無攻,本人樂區服務對象,包括該學院之厚生商校內及
·深水埗區晃童三千餘人目標:1)
工業委員會主席楊樓致詞概要
was
如下......
天堂
陴泉商的何被怒焼製造 近年來大對上性「宮,織流程優供很 *,今日竟然實境了。我多謝在來各位含今日 青花菜,我很此方面已群陽光。
北阿及減家。布十八個前,海件像不可能的,
·亞中心則揭然將會及本的曹爛,如工作柏工
「俞何究佈成立,说的十八個村內和努力,三 附设中心磋商後,一個?米膠粜明愛 金
「發哟读工人之被乏, 而两生
产的宏州换工業於長會所發起, ̈此住定之辦由工艺都要諮委
我行三F
第一音:神對府求教一件就不足。我們,否
香港,发在開獎,此些簾的,但
十五工人是扩2年
無可夜的说,再索超過百分之五
* 此明愛方各营,说她治原校慎本此
多此餃
院,医不基至餞此 無袼我們喜不喜悦 产品的供变而不是大學,其他專上學
1971 英文中學會考試題預習專欄
新光出版社主編 SUNLIGHT
化學科
PRESS
(六)
CHEMISTRY
LESSON SIX
2-12-1970.
ANSWERS TO EXERCISE 4
[(23)
3) B (2
(24) D (25)-
(29) T (30)
D P (31) B (32)
(26)
(27) (33)
R
(28) P
A
(34)
(35) C
·EXERCISE S
(36) The Law of Conservation of. Mass states that matter. )
Ps neither created nor destroyed in any reaction.
R
is neither created nor destroyed in a physical reaction
is neither created, nor destroyed in a chemical reaction can deither be created nor destroyed. :
may neither be created nor destroyed in a chemical, reaction.
(37) The Law of Definite Proportions (constant composition)
that a c
P'
R
T
(38) (a)
(c)
compound
always contains-the sarne elements by weight )
Q. always contains the same elements by vol
contains the same number of elements.
always contains the sanie elements combined together o the same proportions by weight:
always contains the same elements- combined together in. Tthe same"
same proportions by volume.
Matter is made of tiny indivisible particles 'called. atoms.
(b) Atoms can be neither created nor destroyed..
All the atoms of one element are the same, especially in weight, they are different fron the atoms of all other - elements.
(d) All the atoms are the same by weight:
(e) When atoms combine, they do so in small whole nurhbers:
to form molecules) The molecule of one substance are the
·same.
Which of the above are the four main points of the Dalton's Atomic Theory?
(a)、(b), (c) and (d):
....... (a), (b), (c) and (e) ..
(a), (c), (d) and (e).
(a), (b); (d) and (e)::
(b),(c), (d) and (e)
(39) A molecule is the smallest particle of an element or compound
which cannot exist in a free state..
which can exist in a free and separate state. y
which:caniot exist in a separate state.
existing in a free state.
existing in a separate statelj:
(40) A radical &
a.group of atoms which exists in. several compounds but
does not dist on its down..
a.group of atoms which exists in several compounas am can.exist on lts own
R
An atom which exists on its own only.
S.
an atom which exists in several compounds only.
T. an atom which exists in several compounds and on its own
(41). A chemical equation represents
-A.
a chemical change by means of symbols only:
B.
a chemical change by means of formulaeoniy:
a chemical change by means of symbols and formulae.
D
a chemical change by means of elements.
E a change bt means of molecules
Na + C
NaCl
means. that 1 atom of sodium reacts with one atom or comme
to form one atom of sodium chloride,"
to form two atoms of sodium chloride..
to form two molecules of sodium chloride
to form one molecule of sodium chloride..
to form one element of sodium chloride
:(43) An electron has
A. one negative charge and its mass is about 0.05
one negative charge and its mass is about 0,005
C. one" negative charge and its mass is about 0.000 D.
one positive charge and its mass is about 0.05 one positive charge and its mass is about 0.005
(44) A proton has ::
B.
-D;
one positive charge and its mass is about 0.0075 one positive charge and its mass is abouı1:0075 one positive charge and its mass is about 2.0075 one: positive charge and its mass is about 3.0075 one negative charge and its mass is about 2.0075
(45) The atomic number of an element is tune numoer.jp of protons in the nucleis of its atom
A.
B. of electrons in the nucleus of its atom:
C. of neutrons in the nucleus of its atom.
of electrons in the nucleus of its element.
E.
of neutrons in the nucleus of its, element
(46) Isotopes are different atoms of an
...P
einent.
They have, the same chemical properties bu
different numbers of electrons.
Q different numbers of protons,
R
different: numbers of neutrons.
different numbers of electrons and different atomic weights: different numbers of neutrons and different atomic weights.
(17)
CISRARY
19700
HALL
三期星日二月二十年〇七九一圈公年九十五國民華中
教育司強調發展工業訓練
須工業界協助
膠昨 要模 工
場持
該
工啓明 塲用愛 禮聖
三方
個在濟
致各
捐
助合
成作塑
讓該校集行,由敦育可問了主持啟用機式。與曾嘉畫有官神名流,工商界人士,文教界在案。 (特凯》明愛梨方橋各職業先進學校可取真工啓用典洛,於昨(一)日下午四時正在屋道一年,十一月十九日;一
,在些過神來營,分別觀該工,下午五時後盡緻而散。
劉立
̇教育司簡寧致詞概要如下 ,上述三團地社成明变形 企會, | 志纇機構及政府共同偽水澳洲税额林工人所作出之努力。 廠商會!磷港遊您采厰商會及消北喝開製造商峥合會拍斯-萬元镰理者。此本並由天主浟福利會與 ,來合力致立爲工的。因此,追項計鍪之完成,足以代表高級界, 我
欣慰。
的:為各位與本院之術學戲
本人承邀參加對祕之塑膠模工為開幕禮至感
一楣了蔣元舟助再由明深中心低實撈出校舍,此事 「員會之譽為,由於彼嫁之努力,三大嫩膠商會慨
一年中,安人已婚 加小感學位二十,使現有之情,造業訓練先低學校可爲此械在疑的线,做 小草,,,,爱好是日開始但制者,才可稱上训稽。
,和所學到的基本技術可能很多,但仍然需要布各 能引菻用一個ㄬ受完激朗的技工。維受创生
發和擴張時,技工的需求向匹 受多年的劉線,再加上在工業學瀹所得的技術教 公司會工場作在成卲趣,一個熱親的按工幣要接
大,由其性裔殺技工。因此,職業棒握校粜 的息生將會有一個遠大的前途。但此類逐段並不以
對實,爲我們靑年的前粢然最大
原位热敝達到七十六第宄干名。個無私人响也
27* 58 ( 12 ) ****}} |
肉持涂到下
【 張寬大,在方法上在和自由。
者如織婿之魏振(WEIMAR )及法國志邈很黄
糸,郎在實現其齒前生活的目的,正學校 此共同體之秩序并然不滿,以便極剪圓滿 就會學的立基-以爲票校本是一般生活共同投- 使 『的手段。使關明和學者鄭德國之觀斯 (VOR STERO KEN BAGLEY) - SKR 紀律,以捕完成榮雄教育與共同學習之一種必要 , 半校爲傳
(DURKHEM)都以此事投雅是】預計會
这先宋仔則看果城 否學具
價鐐司行排,
法大了目
主毀 門分首內外託爾、渺
1971 英文中學會考試題預習專欄
新光出版社主編 SUNLIGHT PRESS
物理科 (六)
PHYSICS
LESSON SIX
2-12-1970
ANSWERS TO EXERCISE
4 D) A (2)C(3) A (4) B (8) D (9) R (10) S - (11) D (15) D.
(5):D
(12) B
(6) Q (13) E
(7) R (14) B
EXERCISE FIVE
(16) In an experiment for determining S.H of some given lead shots.
the apparatus required are Bunsen burner, tripod stand, calorimet: meter (with jacket and stirrer), thermometers and some of the follow
ing: 1. a boiling tube,2. wire gauze 3 beaker
4. boiling-tube holder S small pieces of tissue paper Which of the foHowing alternatives are correct? /
P None of them Q. 2 only R12. and 3 only
1. 2.3 and 4 only
13 and 5 only
quantity of heat reqnired to change -5°C of 10 gm of ice
to steam at 100C is (given S.H of ice = 0.5LH of Tusion,
= 80_cal/gm, L.H of vaporisation = 540 cal/gam
6505 cals 6225.cals
1825 cals. T6525 cals
R 6425 cals.
(18) A lump of metal. of thermal capacity His heated to TC and placed
sinto a cavity in a block of ice at its mealing point and m gi
ice`are melted. The latent heat of fusion of ice is .
.P.
MHT
·HT/m
QmT/H:
·H/mT
R MH/T
19) A liquid of mass 500 gm and at a temperature of 15°C isina
vessel of negligible thermal capacity, insulated against heat Josses The liquid is heated by an electric heater supplying 700 joules/ sec Given that S.H: of liquid = 0.8.joule/gin/°C, L.H.of. va. porisation = 200 joules/gm B.P of liquid = 80°C The rate at which the liquid is vaporised is P://3-2/5gn/sec Q 4.5 gm/sec. S.. 142-6/7 gm/secT 3.5gm/sec
20) Mechanical equivalent of heat is
©R./3.4 gm/sec (approx3.
the water equivalent of a copper calorimeter
equal to: 4.2.cals/joule.
the quantity of heat to produce 4.2 watts of power..
the number of units of work to produce one unit of heal the:nuarüer of uiis of heat to oroduce aue unil - of work
(2.1): The calorific vahie of a certain foodstuff X is 20 t6 OC per th
means
A
20 lb of X will cause a rice of 1o
B.
lb of X will produce, 20 calories
20 lb C heat unit will raise 1 lb of X by 1
D.
lb of X will produce 20 lb °C heat unit
E
16 of X will produce 20 joules
22) A cardboard tube 5 ft tong and closed at both ends contains : quantity of small lead shots' It is rapidly inverted 100 tunes.
If S.H. of lead is 0.032, the maximum possible rise in tempera ture rise in temperature is (J= 778 ft-lb).
A. 22.49p
20:1°F
B. 18.49p:
E 4.8°F
2.10.
工專
工作芻議品 華僑書院梁鈞庸
一、訓導目的及其雲造
育
,過珽棠張激烈,儲方一四百餘人。 出及森森小姐行開線識,在生俄夫之差會民生鸡
專上學院訓導
(23) A compound bar of metals A and B when heated, it will bend
A
as shown. This shows that.
Bis a better conductor than A.
Avis having-regular expansion
while B irregular. expansion
A has a smaller specific heat thai.B
A has a coefficient of linear expansion "smaller than B
A is a hard metal while B is soft
(24) Consider the expansion (cubical) of, )"gic. of::
1. hydrogen by 1°C
4. mercury by 1°C
2. alcohol by t°C 3. Iron by 19°C 5. air by IOF:
ments are co
Which of the following statements are correct.
(a) 5. expands inost. (b) 2 expands more than 3
(c) 1 and S. expands equally (d) 4 expands least
(e) we don't know which expands more or less than wlich since
the coefficients of expansion are not given
A.
a, b, d and d only D. a and d only
Be only C. b and coniy
E. b only
(25) A brass cube 2 ft. long at 40°F, its lengti at 1509F is
Given coefficient of linear expansion of brass = 0.000018/°C
8.00792 c.ft. B. 8.02376 cft 8.0158 c.ft. E. 8,0475 e.ft.*
A
D.
C. none of the above
(26) If the graduation on a brass scale is correct at 0°C; the tiue?
length of an object that was read by the scale at 25°C as 30.15 wins. would be (coefficient inear expansion of brass = 0.000018/°C)
30.164 insQ.29.836. ins ·R.. 31.26 ins..
P
S. 30.314 ins, T. 29.314 ins
(27) The coefficient of cubicai expansion of a metal is 0.000039/6
is equivalent to that
1.
P.
the area of 1 sq. in. of the metal increases by 0.000026 sq. in with arise.of temperature. of 10
2. the length of 1 cm-of the metal increases by 0.000013 cm.
with a rise of temperature of 1°F
the area of 1 sq. cm of the metal increases by 0.00026 sq. cm. with a rise of temperature of 1oC.
the volume of I1 cc of the metal increases by. 0.000039c.c.
with a rise of temperature of 1°C
5. the sum of coefficient of apparent expansion and three times
its coefficient of linear exparision..
Which of the following. alternatives is correct?:
All of them Q1.23 and 4 oniy
S. 1, 3 and 4 only 4 only
R 2, 3 and 4 only
(28) Liquids expand more than. solids when heated, which of the follow.
ing. suggestions can best explain wily this is so?
R
P Liquid molecules are larger than solid molecules"
Q: The liquid molecules expand more than solid molecules. There is more space between molecules of a liquid than between molecules of a solid
The molecules of a liquid are less :tightly held together than: those of a solid
The molecules of a liquid always move faster than those of a solid
(29) The zero point of absolute scale of temperature is.
P
the temperature at which the mass of gas becomes zero theoretically.
the temperature at which the volume of liquid becomes verd theoretically
the temperature at which the volume of gas becomes zen theoretically:
273°C T 0°C
(30) Given that the mechanical equivalent of heat is 770 ft-lb per.fb.
degree F. If an engine uses fuel producing 30.B:Th.U per sec to develop: 10 H.P. the efficiency of the engine is
:30/77
15/77
77/300
7/15
5/21