Download SGBAU B-Tech 1st Sem Chemical Engineering Engineering Mechanics I Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) B-Tech/BE (Bachelor of Technology) 1st Sem Chemical Engineering Engineering Mechanics I Previous Question Paper

13.E./ B.chh. (Chemical Engineering) / B.Text. First Semester (01d Course)
Engineering Mechanics - l: l S 5
P. Pages: 2 I i, , AW - 3536
Time : Two Hours |?.I.Im!,l"lllulz!'l'!l|?ll' Mam. Marks : 40
Notes 2 Due credit will be given to neatness and adequate dimensions.
Assume suitable data wherever necessary.
Diagrams and chemical equations should be given wherever necessary.
Illustrate your answu necessary with the help of neat sketches.
Use of pen Blue/Black ink/refill only for writing the answer book.
M?UJK?JH
1. a) State & derive the parallelogram law of forces. 4
b) A wire rope is ?xed at two points A and D as shown in Fig. N0. 1. Find the tension in 9
segments AB. BC & CD ofthc wire. also ?nd the angle of segment (?D to vertical.
I I
A' '
mm
Hg No. l 20m
OR
2. a) State & explain analytical & graphical conditions of equilibrium. 4
b) 20m 30an 60kN 9
Lxm?m 45?>\ B
A ,
Q A
I l A I I
? 1' I I I
2m 4m 1m 2m
Hg. nu. 2
Find the support reaction for the loaded beam as shovm in Fig. No. 2.
3. :1) De?ne the following terms. 4
, i) Truss ii?) Space truss
iii) De?cient truss iv) Redundant truss
b) Find the force in all the members of the truss as shown in Fig. No. 3. 10
ID?JKN
4m
AW - 3536 1 P-T-O

0R
4. a) State the solid laws of friction.
b?) What should be the value of 9 in ?g. no. 4 that will make the motion of900N block down
the plane 10 impend?.? The coef?cient 0f friction for all contact surfaces is 1/3.
A 9
Fig. No, 4
5. a) State 6?; derive the perpendicular axis theorem.
b) Find the radius of gyration for given composite section.
Ran
r????-????1
|II2mm
' 1
l-
156mm
I: II 10mm
o??-????-?-?I
120mm
OR
6. 8) Determine the centre 01' gravity of solid hemisphere of radius r from its diametral axis.
b) Locate the centroid of the wire shovm in Fig. 5. Portion AB is in x-z plane, BC in y-z plane
and CI) in x-y plane. AB and BC are semicircular in shape.
*k************
2
AW - 3536
10
DJ
10