SUSTShahjalal University of

Science and Technology

Question 2015

B Unit

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60, l"'t"!�""-ii\tt-"""'7A.� B.� C.'lf' D.� .

61.�''l"!Q'����,mm�

'.!""'..,..;:�B.'lm11if< ... .c.i.,..s D.-... 62. 'Culturallag'....,.���

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65. 'Ideal bu reaucracy' � ..m

A. ffl «All B . � fttt..- · C.-- D . .,..-

66. ___ _, . A.�"'l!!s-e��WT. B.�-«'(llfl!l�-.wl c.--""""""" D-�"��-..i

67.·�'l"Mft ... ''W!'lfifAc.1il� A.lUr.l!mtl � B.1P11ff C.'01'5.- 0.l't"(I 68.--�""' �:=� g:;:

t'l

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C.- D.-

70. z�a:;:�-���..,C,..,,..-,,.,fts D.-� � ID2.D3.C4.B S.D6.C7D 8.C9.D JO.C II.A 12.C 13.8 14.C IS.D 16.8 17.A 18.B 19.B 20.A 21.B 22.B 23.C 24.B 25.8 26.C 27.J:.. 28.B 29.B 30.8 31.A 32.B 33.B 34.D 3S.C 36.C 37.C 38.C 39.C 40D 41.0 42.C 43.B 44.D 45.B 46.A 47.A 48.C 49.B SO.C 51.C 52.B 53.C 54.B SS.D 56.B 57.D 58.D S9.A 60.B 61.C 62.A 63.A 64.C6S.A66.A67.�70.C

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�SB C'll199 ,m':)ffl"OOftif.l'lt ·,

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E!!llill! 01. Which point should be considered when

prepariq • HWS report? A. Give attractive information B. Should not include rcpon.ers' point of view

concerning the incident C. Not to include people's comments o. Preaching at the end of the story E. U · attractive tocbarmreadcrs

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OZ. If the North sef - i.D winter, you could w1lk from London to Oslo. A. happened to freeze B. froze C. should freeze D. stnddlJawoito� E. should be happened to freez.e

03. sel«t lhe correct men.iog of 'hav.e I hurt' A. to ask somebody to be lund �: :� ev: � tf:3 �n

D,to bea personWOOshowssympathytoothc-s

04. �0i!8th� ��rm sorry. I didn't mean to

1nnoy you. I didn't do it-. A. in purpose B. at purpose C. for purpose D. on purpose E. from purpose

OS. Choose the correct prefix for the word 'fi\nction' to crnte a new word A. mis B. mono C. dis D. contra E. mal

06. Use the corre<:t preposition: I don't know ���?

f the.t�!t'e Cin

thist.ri!��tt·

07. Which one is correct? . A.oweful B.owfullC.awcful D:owful E.awful

08. Which sentence is not corr«t? A. Nobody wants to go there. B. Everybody like to attend the lecture: C. Somebody is here.

R_-���\esJ���pookm 09. � ��:,

?:'mean C:.

of;f:;� day C. Lon& in the tooth D . Feabrin)OJ.� E. Drop the hanuner

10. Which pair of words is aot aotonymom? A. bold, timid 8. conceal. reveal C. ignorance, knowledge D. shallow, wide E. assemble, disperse

11 .. 'Power of a pair of glass ii +2D .l)iapter.' What does k men?

:: :::�i=oJ}:�1=h�/m� C. concave lens of focal length 2 m D. convex lens of focal lcn� 2 m E. convex or concave lens of focal length 2 m

12. A I.tar btcomes a blackbole with a Swarzebild radius Of 11.80 km. How much is the mass o�tbe star In kg if the mass of sun

�.1ir.1;l1� k&J. 2.65xlef1- C. l.99xl030

D. 7.96x10 E. !S.92xl030

13. A marble is knocked from an edge of a desk

��,oh! ?a!:: :1

1�:in J�;:�:�!f

�eoTrbleB�8hit��trso.t3s E. 14.7

14. A SOO kg vehide rum at a� of <,() kmlb.r. It �.!\>�i:.:1n�-��

. �tNis

e'2�.'?'2�0�9bE.1290

15. Your friend and you have started a bicycle

YoC:t!��U:�o�:f

i�.,,s ::: ;

o

=-� respectively. Both of you hive reached ts flDlsh line at the same time. For bow manJ

· seconds you have gone for cycle nee? A.10 B.20 C.30 D.40 E.SO

16. Which one is .the equation of simple harmoni.c motion?

�::::���} gJ�f�� E.ya::Asin2101X. 17. A tnvellina; wave is being observed from a

point. If two crests pass this poial in 0.2 s then which one is true?

t ::�:1:fi1� fs�.'8 m's

ii: ::��1=ic

o} �-0 Hz E. wave velocity is 0.2 m's

18. An object is allowed to fall from a certalll height If the-.k.inedc ene is 4 times lb

of S.O m from n m it was

. A. l E. SS

19. Both gnvitational and electric forces 1d between two electrons which are 2.0x10·11 m

rJ>r�i:-�8.!;a:t'�o �,e�f��}o��1

ta6onal,

�:f8a::;er 8:f8-a=�E.10 11 timeslarger

20. A, IDeta.llic sheet surface area 0.02 mJ b kepi on glycerin of thickMss S mm. A horizontal forte of O.S N is needed to move the Shed at a speed of 0.06 mis. What is the coefflddl of glycerininNsm·J?

·a. 2.08 8. 1.04 c. 1:04 x 10-l

0. 2.08 x W:2 E. 2.08 x 10 ·3 21. Specific heat of water is 4.2 x 10u J lqf1 K1•

Wha_t is the change in entropy .in JfK It tile temperature of S.O k& . of water is nited from 10°C to 100°C? A. S.8 x 10 ·1 8. S.8 x Ui C. S.8 x 1& D. S.8 x 101 ' E. S.8 x 104

22. A particle of mass 0.02 kg is movip.g with aa angular velocity of 31t rad/s arouo� a clrde of "radius 0.50 m. What is magnJtude in N and direction of the force responsible for 'this motioo? A.0.031ttowardstheceritre 8. 0.031t.awaY from the centre c. o.091r towards the centre D. o.097r away from centre E. 9 .oi towards centre

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13. Charge is set to each vertex Of an equilateral triangle(adjacent figure) of side 1 mm. What is the electric field strength in N/C at its ortho-centre? A.1.2x 10·19 B. l.6x 10 ·16 C. l.2x 1016 D. I.6x 1016

E. l.2x 1019 M. An emf of 20 V is induced when the electric current through a coil is changed from 0.5 A to 1.0 A in LO s. How· much· is the self induction in II of the coil?

A.IO B.20 C.30 D.40 E.50 What is the accelention in mil of an electron iaan electricfield orntvlm? .Jc A. 1.76X 10 16 B. L76x 1015 -� C.L76xl014 D. 5.76x10·15 E.5.76X 10 ·16 3C . 2C Which is not correct for electromagnetic spectrum? A. Wavelength of x-ray is greater than that of

ultraviolet ray B. y:ray originates from the nucleus C. one can sec at night with the help of infrared ray D. light of 600 mm wavelength is visible E. microwave ray emits from magnetron bulb A laser emits a short pulse of ultnviold ndiation. What is the energy in J of a !����::[oi;

s m;.��;���flh�- 11.ox�a-11 D. ll. Oxto·1* E. 5.6xl0- 19 The electric field strength· between two . parallel plates is uniform. Which graph shows how the potential V varies with distance d from each other? A v�

d

B lL,cvl, DV�

d El=

r;i _e IDU:�.SW:ai8i�8'e0!i�fi�nJtifi� negative sign? A. the atom can move freely B. electron can be separated from the atom without any applied force C. electron is m excited state D. electron is bound to the uncleus E. hydrogen atom attracts other atoms . :!:�/;}�e

1�J? of a proton of ldnetic

A. 1.031 x 10 ·31 · 8. 1.676 x 10 ·27

C. 3.755 x 10 ·26 D. 1:601 x-10·25

E. l.753x 10 ·24 31. What are the relationsliip among the ions· F",Na+,andC4?

A. isotopes to each other

I· ·i=:�°rue:�ili�h other D. isoe!ectronic with each other E. isobars to each other

32" :ddi:::s:f f!::!�!t�l:ti::sr;��:�� the determination of diabetic

33. ���d'ftt� :��1i!b n;� ��c �i� 34. What is the electronic configuntion of man�n;)e)P KMnO.? �: f ZJtrt1 -if ZB�i c .. rAr1314s°

35. �a�:/h:nti�=ee: s:;b,lZri� o�b�;1 hybridized carbon atom A. 120° B. 109.5° C. 180° D. 90° E. 105° 36. How many e1tttrons are attepted by the oxidant in 2CuS0..+4KI-+ Il�1I2+2K:S<)4 reaction? A. O 8.1 C.2 D.4 E.6 37. A closed container of volume 83.14 L :J�tol':aga�d a3��°Jii��t�;: ��la� mass ofB? A.20 B.32 " C.38 D.40 E. 71 38. At constan.t lempenture and pressure the complete combustion of 20· mL of. a a §65:L()���ct :ih�v�':u� �;�O requires A. I B.2 C. 3 0.4 E. 5 39· =:s�i:�:;�

a

a1:i°lX0

1:t��1i�tcrystaUine compound? A.2 8 . 4 C . 6 D.8 -E.10 40. What are the values of a ancl b in the nuclear �ction: 1;N +a-particle-t;o+ proton?

. �:lt:�: g:��:1� E. 17and8 41. 600 mL 0.4 M NaOH solution is required to neutralize COi which is produced from

-�ution':r����!_Cl,Calculate A.re. 72 C. 75 D.78 E.80 42. What is the pH of the solution of 0.1 M acetic acid and 0.1 M sodium acetate? (K. = 1.80x!O"') A. 4.74 8. 5.74 C. 6.74 D. 7.74 E. 8.74 43. In a zer:o order reaction. the concentration of a reactant reduces from 0.2 M to 0.1 M in 100 minutes. How much time (in minutes) will be required to reduce the concentration of the reactant from 0.1 M to 0.05 M? A. 50 8. 100 C. 150 D. 200 E. 250

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44 .. Which acid is usecfto protect sled from rust? A. HCI 8: H2SO, C. HCIOJ D. HF E. H1PO,

45. Which uod caooot be ased as 8�:0��fcobu D. H,N(CH,),NH

46. Which one is the dccrasing order rA tbr: .cid SO,uglh .. "'"' ,dd (1),- lcid (D), trichlorolcdic and (IIl). and '3rmic .cid (IV)? A. Ul>ll>l>IV 8. ill>IV>D>I C. lll>IV>l>D D. III>U>IV>l E. ID>l>IV>Il

47. What istbe name ofthe folbwingcompow,d iD WP AC system?

CH�H1 CH,

I H I CHrCH-CH2 -C .. C-CH-CH1

H

A. 2-Ethyl...6-methyl-3-pentcoe 8. 3,7-Dimethyl-5-octene C. 2,2-Dimethyl-4-octcoe D. 2,6-Dimetbyl-4-bq,lcnc E. 2 , 6-Dimethyl-3-octcoe

48. What is the mechanism of the reaction • between aromatic hydrocarbon and acetyl, chlori� iD presenct of anhydrous AI01? A. Elcctrophilic addition B. Elo::trop�lic substitution C. Nucleophi\ic addition D. Nucleophilic substitution E. Eli.mioatioo

49. The label of a rommercialfy avdible boitlt of_ HCL SboWS 36% (vlv) witla deblltJ 0.91 Wtt.. What is the collttdtntion (IIOIIL) of HO? A. 0.025 8. 3� 76 C. 24.93 D. 24.93 E. 327.6

SO. Jx2[1+ln(xf+l))dx=?

A. (x1+l)ln(x'+t 8. !(x'+l)ln(x'+l) 3

C � D 3(x1 +1) E ln(x3+1). 'in(x1+1) · ln(xl+l) · x3+1

SI. Which one holds the dosw-e law? A. Set.Qf natural nwnbcrs under subtraction 8. Set ofintegcrs·wideidivision · C. Set of irrational numbers undtrdivision. D. Set of non-2.ffl> ratimal numbers \NCI" diVWO!l E. Set of real numberundµdivision

52. what is the intersedion point of the curves y • 2 cos"1

x andy = 2 sin·I..x?

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