DipIETE
– ET (OLD SCHEME)
NOTE:
1. (a) There are SEVEN
questions in all and these are arranged
in three Sections
A, B and C.
(b) Sections A and B are compulsory and carry 20 marks and 32 marks
respectively.
(c) Out of remaining 5 questions (of 16 marks each) in Section C, students are
required to answer any 3 questions.
2. Detach this sheet from the question paper and write answers on this sheet
only on Pages 1 & 2. Attach it to the main drawing sheet. Remaining
questions are to be answered on the main drawing sheet.
3. All dimensions given are in mm. Use suitable values of any missing and
mismatching dimensions.
4. Use BIS Code: SP: 46-1988 for all drawings and do not rub off construction
lines.
ROLL NO_________________.
SECTION A (Compulsory)
Note :1. Attach this sheet
to the main drawing sheet.
2.
Write Answers to Question No. 1 in this sheet only.
Q.1 Write the correct or the best alternative in the following: (102=20)
a.
Which of the following is not a desirable material for rivets?
(A)
Mild steel (B)
Cast iron
(C) Aluminium (D) Copper.
b.
The relation between thickness and diameter of rivet is
(A) (B)
(C) (D)
CENTRE STAMP
Signature of Suptd / invigilator
c.
The keyway for a
sunk key is provided
(A)
in shaft only
(B) in hub only
(C) partly in hub & partly in shaft
(D) Neither in shaft
nor in hub
d.
What tapers in a tapered roller bearing?
(A) Inner
race
(B) Outer race
(C) Roller (D) Cage
e.
The hidden edges of an object is shown by
(A) Chain thick line
(B) Dashed thick line
(C) Continuous thin line
(D) Short zig-zag thin
line
f.
The spigot and socket joint is mostly used for pipes which
(A) are buried in the
earth
(B) carry water at low
pressure
(C) carries steam at
high pressure
(D) carry fluid at high pressure
g.
The difference between the higher limit and lower limit of size is
known as
(A)
Deviation (B) Tolerance
(B)
Allowance (D) interference
zone.
h.
The NPS refers in Piping system
(A) Outer diameter (B) Inside diameter
(C)
Average diameter (D) DOD-Thickness
i.
The shaft dimensions of the title block according to BIS are
(A)
180 mm60 mm (B) 185 mm65 mm
(C) 180 mm65 mm (D) 185 mm60 mm
j.
The path of a point which moves according to mathematically
defined condition is known as its
(A)
Mechanism (B) Locus
(C) Curve (D) Cycloid
Q.2 Figure
1 shows pictorial view of an object. Draw to a full size scale, the following
views in 1st angle projection:—
(i) Front view through A.
(ii)
Side
view through B.
(iii) Inverted view through C. Give full dimensions. (12+12+8=32)
Q.3 a. The distance between two stations is 600 km.
It is represented by 12 cm on the railway map.
Find RF. (3)
b. Draw
an ellipse by Trummel Method, given the major and minor axes as 80 mm and 60 mm
respectively. (13)
Q.4 Draw
the development of the lateral surface of the truncated cone of base diameter
60 mm and axis 70 mm high. The cone is cut 40 mm above its base so that the
cutting plane is parallel to the HP & perpendicular to VP. It is also cut
near its base at second place so that the cutting plane passes through the base
edge and is inclined at 30° to HP. (16)
Q.5 Make
proportioned sketch of a protective type Flange coupling for 25 mm dia of shaft.
(16)
Q.6 a. Draw
form or profile of acme thread along with their proportion having pitch, P. (8)
b. A line AB 70 mm
long is parallel to and 15 mm in front of the V.P. Its one end is in the H.P.
while other is 40 mm above the H.P. Draw its projections and find its
inclination with the H.P (8)
Q.7 Hexagonal
prism, base 25 mm side and axis 50 mm long, is resting on one of its
rectangular faces on the H.P., with the axis perpendicular to V.P. Draw the
projections of prism when its one end is 25 mm in front of the V.P. (16)