pokhara university applied mechanics - i question papers

8/9/2019 Pokhara University Applied Mechanics - i Question Papers

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APPLIED MECHANICS CIVIL I/II...@UTEC

1. A 70-kg cylinde i! !"##$%ed &y %'$ c(&le!AC (ndBC) '*ic* (e (%%(c*ed %$ %*e %$# $+ ,e%ic(l #$!%!. A *$i$n%(l

+$ce P) #e#endic"l( %$ %*e #l(ne c$n%(ining %*e #$!%!) *$ld! %*e cylinde in %*e #$!i%i$n !*$'n. D(' %*e +ee-&$dy

di(g( needed %$ de%eine %*e (gni%"de $+ P (nd %*e +$ce in e(c* c(&le.

. A ec%(ng"l( #l(%e i! !"##$%ed &y %*ee c(&le! (! !*$'n. n$'ing %*(% %*e %en!i$n in c(&leAC i! 0 N) de%eine %*e

'eig*% $+ %*e #l(%e.

2. 3$" +$ce! (c% $n ( 700 2 274- #l(%e (! !*$'n. 5 a 6 3ind %*e e!"l%(n% $+ %*e!e +$ce!. 5 b 6 L$c(%e %*e %'$ #$in%!'*ee %*e line $+ (c%i$n $+ %*e e!"l%(n% in%e!ec%! %*e edge $+ %*e #l(%e.

. A 10-+% &$$ i! (c%ed "#$n &y %*e 80-l& +$ce !*$'n. De%eine %*e %en!i$n in e(c* c(&le (nd %*e e(c%i$n (% %*e &(ll-

(nd-!$cke%9$in% (%A.

4. T*e - #$leABC i! (c%ed "#$n &y ( 44-N +$ce (! !*$'n. T*e #$le i! *eld &y ( &(ll-(nd-!$cke% 9$in% (%A (nd &y %'$

c(&le!BD(ndBE. 3$ a : 2 ) de%eine %*e %en!i$n in e(c* c(&le (nd %*e e(c%i$n (%A.

. Neglec%ing +ic%i$n (nd %*e (di"! $+ %*e #"lley) de%eine 5a6 %*e %en!i$n in c(&leADB) 5b6 %*e e(c%i$n (% C.

7. De%eine &y diec% in%eg(%i$n %*e cen%$id $+ %*e (e( !*$'n. E;#e!! y$" (n!'e in %e! $+ a (nd b.

8. De%eine %*e $en% $+ ine%i( (nd %*e (di"! $+ gy(%i$n $+ %*e !*(ded (e( 'i%* e!#ec% %$ %*ex (;i!.

"ili&i" i! (in%(ined.

11. De%eine %*e +$ce in e(c* e&e $+ %*e P(%% $$+ %"!! !*$'n. S%(%e '*e%*e e(c* e&e i! in %en!i$n $c$#e!!i$n.

1. De%eine %*e +$ce in e(c* e&e $+ %*e %"!! !*$'n.

12. T*e #$!i%i$n $+ ( #(%icle '*ic* $,e! (l$ng ( !%(ig*% line i! de+ined &y %*e el(%i$nx : t- tB-14t 0) '*eex i!e;#e!!ed in +ee% (nd t in !ec$nd!. De%eine 5a6 %*e %ie (% '*ic* %*e ,el$ci%y 'ill &e e$) 5b6 %*e #$!i%i$n (nd di!%(nce

%(,eled &y %*e #(%icle (% %*(% %ie) 5c6 %*e (ccele(%i$n $+ %*e #(%icle (% %*(% %ie) 5d6 %*e di!%(nce %(,eled &y %*e #(%icle

+$ t : ! %$ t : !.

1. T*e $%i$n $+ ( #(%icle i! de+ined &y %*e el(%i$nx : tB- 8 0c$! t) '*eex (nd t (e e;#e!!ed in inc*e! (nd!ec$nd!) e!#ec%i,ely. De%eine %*e #$!i%i$n) %*e ,el$ci%y) (nd %*e (ccele(%i$n '*en t : !.

14. A &(!ke%&(ll #l(ye !*$$%! '*en !*e i! 1 +% +$ %*e &(ck&$(d. n$'ing %*(% %*e &(ll *(! (n ini%i(l ,el$ci%y v0 (% (n

(ngle $+ 20 'i%* %*e *$i$n%(l) de%eine %*e ,(l"e $+ v0 '*en d i! e>"(l %$ < in.

1. De%eine %*e e>"ied ,el$ci%y $+ %*e &el%B i+ %*e el(%i,e ,el$ci%y 'i%* '*ic* %*e !(nd *i%! &el%B i! %$ &e 5a6 ,e%ic(l)

5b6 (! !(ll (! #$!!i&le.

17. T*e %'$ &l$ck! !*$'n (e $igin(lly (% e!%. Neglec%ing %*e (!!e! $+ %*e #"lley! (nd %*e e++ec% $+ +ic%i$n in %*e#"lley! (nd (!!"ing %*(% %*e c$e++icien%! $+ +ic%i$n &e%'een &l$ckA (nd %*e *$i$n%(l !"+(ce (e =s : 0.4 (nd =k

:0.0) de%eine 5a6 %*e (ccele(%i$n $+ e(c* &l$ck) 5b6 %*e %en!i$n in %*e c(&le.

18. T*e %'$ &l$ck! !*$'n !%(% +$ e!%. T*e *$i$n%(l #l(ne (nd %*e #"lley (e +ic%i$nle!!) (nd %*e #"lley i! (!!"ed %$

&e $+ negligi&le (!!. De%eine %*e (ccele(%i$n $+ e(c* &l$ck (nd %*e %en!i$n in e(c* c$d.

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2. D(' S3D (nd MD.Point out the salient features on the diagrams.

24. Draw SFD and BMD. Point out the salient features on the diagrams.

60KN/m10 N/

20K0KN

2m6m2m2m

20KN/m!0KN"

10 N/

#!KN

2mm#m2m

0.! m


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pokhara university applied mechanics - i question papers

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