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Cu1 Qu trnh chuyn khi l qu trnh

a Di chuyn vt cht t pha ny sang pha khc

b Vt cht tip xc gia pha ny v pha khc

c Chuyn vt cht t pha ny sang pha khc khi 2 pha tip xc trc tip vi nhau

d Chuyn vt cht t pha ny sang pha khc khi 2 pha ngn cch bi vch ngn

Cu2 phn chia cc qu trnh chuyn khi da vo

a Nhit v tnh cht ca 2 pha

b p sut v tnh cht ca 2 pha

c Da vo tnh cht ca 2 pha

d Da vo c trng qu trnh di chuyn v tnh cht ca 2 pha

Cu 3 Hp th l qu trnh

a Ht kh hay hi bng cht bng cht lng

b Ht kh hay hi bng cht rn

c Vt cht di chuyn t pha lng vo pha hi

d Vt cht chuyn t pha rn vo pha hi

Cu4 Chng l qu trnh tch hn hp lng thnh cc cu t ring bit da vo

a Nhit si khc nhau ca cc cht lng

b Nhit nng chy khc nhau ca cc cht lng

c bay hi khc nhau ca cc cu t

d nht khc nhau ca cc cu t

Cu5 Hp ph l qu trnh ht kh hay ht hi

a Bng cht lng

b Bng cht rn xp

c Vt cht i t pha lng vo pha hi

d Vt cht i t pha hi vo pha lng

Cu6 Trch ly l qu trnh tch cc cht ha tan

a Trong cht lng bng cht rn

b Trong cht rn bng cht kh

c Trong cht lng bng cht lng khc

d Trong cht kh bng cht rn

Cu7 Kt tinh l qu trnh tch cht rn trong dung dch

a Vt cht i t pha kh vo pha rn

b Vt cht i t pha lng vo pha rn

c L 1 qu trnh ha hc



d L 1 qu trnh ngng kt

Cu8 Sy kh l qu trnh tch nc ra khi vt liu m

a Vt cht i t pha lng vo pha rn

b Vt cht i t pha kh vo pha rn

c Vt cht i t pha kh vo pha lng

d Vt cht i t pha rn vo pha kh

Cu9* Gi M l phn t lng, x l phn khi lng, x l phn mol, X l t s mol, X l t s khi lng

a x = (x . Mi)/(xk .Mk)

b x = (x . Mi)/(xk .Mk)

c x = X/(1-X)

d x = X/(1-X)

Cu10 Khi cn bng pha ta c ycb = f(x) vt cht s chuyn t pha x vo pha y nu

a y < ycb

b x = ycb

c y > ycb

d xcb > x

CU

11 Quy tc pha cho php thay i bao nhiu yu t m cn bng pha khng b ph hy v biu thc ca quy tc pha l

a C = K + - n

b C = K - - n

c C = K - + n

d C= - K + n

CU

12 nh lut Henry i vi dung dch l tng p sut ring phn ca kh trn dung dch t l vi phn mol ca n trong dung dch( p = H.x) trong

a H l hng s Henry khng c th nguyn

b x l nng t s mol

c H l Enthalpy n v Kj/ Kg

d H l hng s Henry c th nguyn l p sut

CU 13 Biu thc ca nh lut Raoult p = pbh. x trong

a p: p sut chung ca hi trn dung dch

b pbh: p sut hi bo ha ca dung dch

c x: T s mol ca cu t trong dung dch



d p: p sut ring phn ca cu t trong hn hp hi

CU 14 Khi 2 pha tip xc trc tip vi nhau gia 2 pha to thnh 2 lp mng chy dng v nhn c chuyn ng xay

a Khuych tn trong mng lun lun l khuych tn i lu

b Khuych tn trong mng lun lun l khuych tn phn t

c Khuych tn trong nhn lun lun l khuych tn phn t

d Khuych tn trong mng v trong nhn ging nhau

CU

15 ng lc ca qu trnh chuyn khi l = xcb - x hoc y = y- ycb

a x > xcb; Vt cht chuyn t x vo y

b x = xcb; Vt cht chuyn t y vo x

c x < xcb; Vt cht chuyn t x vo y

d y > ycb; Vt cht chuyn t x vo y

CU

16 Khi ng cn bng l ng thng th ng lc trung bnh logarit theo y nh sau

a ytb = (yyln (yy

b ytb = (y yln (yy

c ytb = (yylg (y2y1

d ytb = (yylg (yy

CU 1 ng knh thit b chuyn khi xc nh theo cng thc: D = [V/ ( 0,785 . Wo)]

a V: Lu lng pha y : m3/ pht

b Wo: Vn tc pha y i qua ton b tit din thit b m/h

c 0,785: h s gia y v x

d V: Lu lng pha y : m3/s

CU 17 Bc thay i nng hay a l thuyt l khang th tch thit b trong xy ra qu trnh chuyn khi sao cho

a Nng cu t i ra khi n bng nng cn bng khi i vo

b Nng cu t i vo bng nng cn bng i ra

c Nng cu t i vo ln hn nng cn bng i ra

d Nng cu t i ra ln hn nng cn bng khi i vo

CU 18 Trong qu trnh hp th

a Cht lng dng ht gi l cht b hp th



b Cht kh c ht gi l cht hp th

c Cht lng dng ht gi l cht hp th

d Cht kh khng b hp th gi l cht b hp th

CU 19 Dung mi( cht hp th) tt c yu cu khng th thiu c l

a nht b

b Nhit dung ring b

c Khng to thnh kt ta

d C tnh ha tan chn lc

CU

20 ha tan ca kh trong lng

a L lng kh ha tan trong cht lng

b L lng lng cha mt n v khi lng cht kh

c L lng kh ha tan trong mt n v cht lng

d n v ca ha tan l % khi lng

CU

21 ha tan ca kh vo lng ph thuc

a Tnh cht kh ca lng, nhit v p sut ca hn hp kh

b Ch ph thuc vo nhit v p sut mi trng

c Tnh cht ca kh, lng nhit v p sut ring phn

d Ch ph thuc tnh cht ca kh v ca lng

CU 22 nh lut Henry ycb = m. x

a ng vi kh thc

b Ph hp vi kh thc vi nng kh nh

c Khng ph hp vi kh l tng

d Trong ta Y-X ng cn bng l ng thng

CU 23 Phng trnh nng lm vic ca qu trnh hp th( Gtr: Lu lng kh tr)

a Gtr( Y-Yc) = Ltr(X- X)

b Gy(Y- Yc) = Gx(X- X)

c

Gy(Y-Yc) = Gx(X- X)

d Gtr(X- X) = Ltr( Y- Y)

CU 24 Mi quan h gia lng dung mi v kch thc thit b



a Khi lng dung mi tng kch thc thit b tng

b Khi lng dung mi gim kch thc thit b gim

c Khi lng dung mi tng kch thc thit b gim

d Khi lng dung mi gim kch thc thit b khng i

CU 25 Cc lai thit b c th dng hp th:

a Loi b mt , mng, un nng, m phun

b Loi tng si, un nng, m , a

c Loi phun, loi ngng t, m, a

d Lai b mt, mng, m, a, phun

CU

26 Yu cu chung ca m l

a B mt ring ln, th tch t do ln, khi lng ring ln, bn ha

b B mt ring ln, th tch ln, khi lng ring b, bn ha

c B mt ring lb, th tch b, khi lng ring b, bn ha

d B mt ring ln, th tch t do ln, khi lng ring b, bn ha

CU

27 Ch lm vic ca thp m gm

a 3 ch : Ch dng, ch xay, ch si bt

b 2 ch : Ch dng, ch xay

c 4 ch : Ch dng, ch qu , ch xay, ch si bt

d 5 ch : Ch dng,ch qu , ch xay, ch si bt, ch sc

CU 28 Cn c vo s chuyn ng gia kh v lng ngi ta chia thp a( mm) thnh:

a 2 lai

b 3 lai

c 4 lai

d 5 lai

CU 29 Khi tin hnh chng hn hp 5 cu t ngi ta thu c

a 3 sn phm

b 4 sn phm

c 5 sn phm

d 6 sn phm

CU 30 Cc phng php chng thng c ng dng trong sn xt



a Chng ct n gin dng chng hn hp cc cu t c bay hi gn nhau

b Chng ct hi nc trc tip dng tch cu t d tan trong nc

c Chng ct chn khng dng khi cn h thp nhit si ca cu t

d Chng p sut cao d cho hn hp d ng rn p sut thng

CU 31 Hn hp c nhit si thay i

a Ch l dung dch thc

b i vi dung dch thc cn bng pha ch c xc nh bng thc nghim

c i vi dung dch l tng cn bng pha c xc nh bang nh lut Henry

d Ch l dung dch l tng

CU

32 Tnh cht c bn ca hn hp cht lng khng ha tan vo nhau

a p sut ring phn ca cu t ny ph thuc s c mt ca cu t kia

b p sut chung bng tng p sut hi bo ha ca cc cu t

c Nhit si ca hn hp cao hn nhit si ca cc cu t

d C th tch cc cu t bng phng php lc

CU

33 Chng ct n gin c ng dng cho nhng trng hp sau

a Khi nhit si ca 2 cu t gn bng nhau

b Khi i hi sn phm c tinh khit cao

c Tch hn hp lng khi tp cht khng bay hi

d Tch hn hp 2 cu t kh bay hi

CU 34 Phng trnh cn bng vt liu cho ton b qu trnh chng

a F= W- D

b F/(xD-xW) = D/(xF-xD)= W/(xP-xW)

c F/(xD-xW) = D/(xF-xW)= W/(xD-xF)

d xD. F = D.xF = W. xD

CU 35 chng minh phng trnh ng nng lm vic ca on chng v on ct ngi ta tha nhn

a 5 gi thuyt

b 4 gi thuyt

c 3 gi thuyt

d 2 gi thuyt

CU 36 Trong cc gi thuyt c tha nhn chng minh phng trnh ng nng lm vic ca on ct c



a S mol ca pha hi i t di ln khng i theo chiu cao mi on ct v chng

b S mol pha lng bng nhau trong tt c tit din ca thp

c Hn hp u vo thp bt k nhit no

d un si y thp bng hi nc gin tip

CU 37 Phng trnh ng nng lm vic on ct c dng

a y = RX.x/(RX+1)+ xD/(RX+1)

b y = RX.x/(RX-1)+ xD/(RX-1)

c x = y(RX+1)/(L+RX) + xW(L-1)/(L+RX)

d x = y(RX-1)/(L+RX) + xW(L+1)/(L+RX)

CU

38 a tip liu nm ti giao im ng nng lm vic ca on ct v on chng nu

a Hn hp lng vo thp nhit nh hn nhit si a tip liu

b Hn hp lng vo thp nhit bng nhit si a tip liu

c Hn hp lng vo thp nhit hi bo ha a tip liu

d Hn hp lng vo thp nhit hi qu nhit a tip liu

CU

39 Tnh cht cn bn no khng th thiu khi chn dung mi trch ly

a Khi lng ring khc xa khi lng ring ca dung dch

b Nhit dung ring b

c C tnh ha tan chn lc

d Khng c, khng n mn thit b

CU 40 Trch ly cht lng thng c ng dng trong cc trng hp sau

a Dng tch cc cht d phn hy nhit thng

b Tch hn hp cc cu t c nhit si khc xa nhau

c Dng khi dung dch qu m c

d Khi dung dch to thnh hn hp ng ph

CU 41 Trch ly nhiu bc cho dng c dng khi

a Khng cn thit thu dung mi dng tinh khit

b Cn hon nguyn dung mi v qu trnh hon nguyn n gin

c Khi h s phn b A ca cu t A trong dung mi S tng ng vi KB trong cu t B

d Khi khng i hi hon nguyn dung mi v qu trnh hon nguyn kh n gin

CU 42 tin hnh kt tinh ta tin hnh to dung dch qua bo ha bng phng php sau



a un nng dung dch

b Bc hi 1 phn dung mi

c Phun mm tinh th vo dung dch

d Gy chn ng bng tia nng lng hay bng tc ng c hc

CU 43 S to thnh tinh th gm

a 2 giai on

b 3 giai on

c 4 giai on

d 5 giai on

CU

44 Hp ph vt l c nhng c in sau:

a Lc hp ph l i lc ha hc

b Qu trnh thun nghch hon ton v cn bng t tc thi

c Nhit ta ra ln

d Ch hp ph nhiu lp

CU

45 Hp ph kch ng c c im sau:

a Qu trnh xy ra nhanh

b Nhit ta ra khng ng k

c Nh hp n gin v d dng

d To thnh hp cht c bit trn b mt

CU 46 Qu trnh hp ph c ng dng

a To phn ng trong pha kh

b Phi trn hn hp kh theo t l thch hp

c Tin hnh xc tc khng ng th trn b mt

d Phm vi ng dng ging phng php hp th

CU 47 So snh than hat tnh v Silicagen ta thy

a B mt ring than hat tnh nh hn Silicagen

b C hai u c sn xut t 1 lai nguyn liu

c C hai u c dng hp ph iu kin nhit tng ng nhau

d Qu trnh kch thch hat tnh ca than hat tnh thc hin nhit thp hn so vi Silicagen

CU 48 Qu trnh sy Silicagen thc hin nhit 120oC, cn sy than hat tnh nhit



a 110oC

b 300oc

c 900oC

d 1200oC

CU 49 So snh hot ng v hat tnh ca cht hp ph ta thy

a Hot ng v hot tnh c gi tr tng ng nhau

b Hot tnh l thi gian hp ph t n cn bng

c Than hot tnh hot dng bng khang 90% hot tnh

d Silicagen hot tnh bng khang 60-705 hot ng

CU

50 Hp ph gin on c th tin hnh

a Theo 2 phng php

b Theo 3 phng php

c Theo 4 phng php

d Theo 5 phng php

CU

51 Trong cc phng php lm kh vt liu sau y, phng php no gi l sy

a Phng php dng nhit

b Phng php ha l

c Phng php c hc

d Phng php ha hc

CU 52 ng lc ca qu trnh sy l p = p1 - p2

a p1, p2 p st hi ring phn trn b mt vt liu

b p1 p2 l p sut hi ring phn trong vt liu v trong mi trng

c p1 p2 l p sut hi ring phn trn b mt vt liu v trong mi trng

d p1 p2 l p sut hi ring phn trong mi trng v trn b mt vt liu

CU 53 Nghin cu tnh lc hc ca qu trnh sy da vo

a Phng trnh cn bng vt liu

b Phng trnh dng lin tc

c Da vo cc dng biu sy

d Da vo ch sy thch hp

CU Mc ch ca nghin cu ng lc hc v sy l



54

a Xc nh thnh phn vt liu

b Xc nh lng tc nhn sy v lng nhit cn thit

c Xc nh ch sy, tc sy v thi gian sy

d Xc nh tnh cht v cu trc vt liu

CU 55 Mt trong nhng khi nim c trng cho hn hp khng kh m l

a m tuyt i ca khng kh l lng hi nc cha trong 1 Kg khng kh m

b m tng i ca khng kh l lng hi nc cha trong 1 kg khng kh v lng hi nc bo ha

c Hm m ca khng kh l lng hi nc cha trong 1 Kg khng kh kh

d Nhit lng ring ca khng kh m l nhit lng ring ca hi nc trong hn hp

CU

56 Nhit bu t l

a Nhit im sng

b Gii hn lm lnh khng kh m vi hm m khng i

c Gii hn lm lnh khng kh m vi nhit lng ring khng i

d c trng kh nng thu nhit ca khng kh

CU

57 Khi lng ring ca khng kh m so vi khi lng ring ca khng kh kh

a K2

A >K2

K

b K2

A =K2

K

c K2

A



CU 60 Lng khng kh kh qua my sy xc nh theo cng thc

a L = W/(Y2- Y1) Kg/s

b L= W.( Y2- Y1) Kg/s

c L= W/( X2- X1) Kg/s

d L= W.( Y2- Y1) Kg/s

CU

61 Trong phng trnh cn bng nhit lng ca my sy bng khng kh. Nhit lng vo gm

a 3 thnh phn

b 4 thnh phn

c 5 thnh phn

d 6 thnh phn

CU

62 Trong phng trnh cn bng nhit lng ca my sy bng khng kh. Nhit lng ra gm

a 3 thnh phn

b 4 thnh phn

c 5 thnh phn

d 6 thnh phn

CU 63 Sy l thuyt l qu trnh

a Nhit lng b sung chung bng khng

b Nhit lng tn tht chung bng khng

c Tt c nhit lng tn tht v b sung u bng khng

d Tng nhit lng tn tht v b sung chung bng khng

CU Sy thc t l qu trnh sy trong

64 a Nhit b sung chung lun lun ln hn nhit tn tht chung

b Nhit b sung chung lun lun nh hn nhit tn tht chung

c Nhit b sung chung bng nhit tn tht chung

d Ty thuc gi tr nhit b sung chung v tn tht chung

CU Sy c b sung nhit trong phng sy c u im

65 a Thit b n gin hn

b Thi gian sy nhanh hn

c Sy iu kin nhit thp hn

d Tit kim nng lng hn



CU Sy c t nng khng kh gia chng c u im


b Thi gian sy t hn



CU Sy c tun hon khng kh thi c u im


b Thi gian sy t hn



CU Lin kt m vi vt liu gm

68 a Lin kt hp ph, lin kt mao qun, lin kt kt dnh

b Lin kt ha hc, lin kt mao qun, lin kt kt dnh

c Lin kt vt l, lin kt mao qun, lin kt c l

d Lin kt vt l, lin kt ha hc, lin kt kt dnh

CU Tc sy ph thuc vo cc nhn t bn trong l

69 a Cu to my sy, m mi trng, hnh dng vt liu

b Hnh dng vt liu, m vt liu, nhit mi trng

c Bn cht vt liu, hnh dng vt liu, m ca vt liu

d Bn cht vt liu, hnh dng vt liu, m ca vt liu, tc tc nhn sy

CU Tc sy ph thuc vo cc yu t bn ngai

70 a Hnh dng vt liu, bn cht vt liu, m, tc nhn sy, tc tc nhn sy

b Bn cht vt liu, nhit , m, tc tc nhn sy

c Hnh dng vt liu, nhit , m, tc tc nhn sy

d m vt liu, phng thc sy, ch sy

CU Biu ng cong sy v ng cong tc sy biu th qu trnh sy gm cc giai on chnh l

71 a Sy ng tc v sy gim tc

b Giai on t nng v sy ng tc

c Giai on t nng v sy gimtc

d Sy ng tc v lm ngui

CU 72

Biu ng cong sy v ng cong tc sy biu th qu trnh sy gm cc giai on chnh l:

a Sy ng tc v sy gim tc

b Giai on t nng v sy ng tc

c Giai on t nng v sy gimtc



d Sy ng tc v lm ngui

CU 73

ha tan l lng ti a cht

a Tan c trong 1 n v dung mi 1 nhit nht nh

b Tan c trong 1 th tch dung mi 1 nhit nht nh

c Tan c trong 1 khi lng dung mi 1 nhit nht nh

d C 3 u ng

CU 74 ha tan ph thuc vo

a Bn cht ha hc v tnh cht vt l ca cht tan

b Nhit ca dung mi

c Tnh cht ca dung mi

d C 3 u ng

CU 75 S to thnh tinh th gm 2 giai on

a To mn tinh th v pht trin mn

b To dung dch bo ha v to tinh th

c To dung dch qu bo ha v to tinh th

d To dung dch bo ha v pht trin mm

CU

76 S kt tinh c th c tin hnh bng cch

a Tch 1 phn dung mi

b Khng tch dung mi- Gim nhit

c Gim nhit v tch dung mi

d C 3 u ng