Booklet Series - D

lTfBtcts-zt4tE PAPER-I

FITTER

TIME:

(THEORY) SEMESTER.II 3 Hrs.

MARIG:

150

Note:- Attempt all the questions. AII questions carry equal marks. This paper carries negative marking 257o marks will be deducted for each wrong answer.

Choose the correct answer: 1.

2.

J.

4.

Jenny caliper is used to a) For finding the extemal of round bar c) For finding the center of round bar

While drilling the drill gets overheated this a) More lip clearance angle c) Material being drilled is ductiie Angle of BSW a) 60" c) 47.5"

'V'

b) For finding the internal round bar d) For finding the angles is due to

...... b) Less cutting angle d) Excessive cutting pressure

form thread is b) 55. d) 45"

To find/ check the clearance between two mating parts, ...... .... Gauge is used b) Filtet c) Feeler d) Plug

a) Radius

5.

Vernier height gauge works on the principle similar to a) Vemier micrometer b) Vernier caliper c) Vemier bevel protector d) None of ttre above

6.

which of the followingthread is used for transmiffing motion? a) Round thread b) Trapezoidal thread c) ISO Metric thread d) Bswthread

7.

The coating of electrodes for"welding mild and Iow alloy steels ...... is used to provide gaseous shield with reducing agent. a) Metal Carbonates b) Titanium Oxide c) Ferromanganese and Ferro silicon d) Cellulose

Contd....2/-

LTlBlClS-2l4lE

8.

361227

Shaping of grinding wheel to make it run concentric with the axis is called: -

a) c)

g.

Booklet Series - D

Dressing Balancing

b) Truing d) Glazing

Bronze is an alloy of copper and ... ......

a) Znc

b) Tin

c)

d) Silver

Lead

10.

The difference between the maximum limit of sizes is equal to b) Lower deviation a) Upper deviation d) Acrual size c) Tolerance

11.

Name the Instrument to measure the diameter of round rod. b) Inside micrometer a) Depth Micrometer d) Tube micrometer

12.

Which one of the following elements cannot be checked with the screw pitch gauge

a)

c)

Pitch Profile

b. Irad d. DePth

t3.

Operation for making a seat for bolt head, washer or nut is called b. Counter boring a) Spot facing d. Grooving c) Counter sinking

L4.

The Number of divisions on Vernier scale of a Vernier micrometer (rnetric) are: -

15.

The surface of a grinding wheel develops a smooth and shining appearance is called b) l,oading a) Glazing d) Truing c) Dressing

16.

Files are made of ...... ... a) Forged wrought iron c) High carbon steel

L7.

What is the frrnctional part "pilot" provided in reamersb) Removing chips d) Hold in machine spindle. Hota in tap wrench

a)5 c) 50

b)10 d) 100

-

b) Mild Steel d) Aluminum

")

Contd....3/-

LTtBtCtS-2t4tE

18. 19.

Pudding fumace is used to produce a) Pig Iron c) Wrought Iron

............ b) Cast Iron d) Steel

In Oxy acetylene welding, color of oxygen cylinder is

a)

c)

20.

Booklet Series - D

Red Black

b) Maroon d) Brown

Which fleme is suitable for cutting operationsa) Oxidizing flame c) Neutral Flame

b) Carburizing flame d) None of these

2L.

Which flame is suitable for welding of non ferrous metals (brasses and bronzes) a) Oxidizing flame b) Carburizing flame c) Neutral Flame d) Nond of these

22.

A left hand screw advances in: a) Clockwise c) Any direction

b) Anticlockwise d) None of these

23. .

Acme thread is a modified forrn of a) Vee thread c) Saw tooth thread

b) Square thread d) Worm tbread

24.

Mechanical seals are used to: a) Prevent vibration c) Reduce Function

b) prevent leakage di Balance the e{uipment

25' 26. 27. 28.

Interchangeability of parts is best suited for: -

a) Batch production c) Job production

b) Mass production d) None of tn" above

Hook Scrapers are used for scraping ... ... a) Curved surface c) centre portion of a flat surface

b) Hollow Surface d) Bend surface

tn Marking of grinding

a) 7 c) 6

wheels,

... compursory symbols are used?

b)8 d)5

while over tighten the bench vice whichpart will get damage? a) Handle b) Spindle

c)

square

nut

d) Fixed

Jaw contd....4t-

29.

30.

Booklet Series - D

-4-

rTtBlcls-zl4lF, Zero line rePresents: a) Upper deviation c) Zero deviations

b) Lower deviations d) None of the above

Twist drill are made of a) High sPeed steel

c) 31.

32.

33.

b) Low carbon steel d) Wood

Stainless steel

Which type of apron is used while during welding a) Cotton c) Silk

b) Negligence

;j;;;*r*ofdu,g"t ;i *n;"n"r us" of tool-s

d) using gloves

Irr Lap Joint, Plates are kePt

eirtruigrriangle o"*rrp-position "i Killedsteel is oppositeof a) Carbon

.""''

llT.b""positions d) At a angle steel'

b) Alloy d) None of these

c) Rimmed 35.

36.

b) Plastic d) Leather and wom.

Which one of the following is not reason for accident

ui

34.

361227

Welding flux is used for a) Radiation c) Reduction

b) Oxidation d) To stoP oxidation

The least count of a Vemier bevel protectors a) 1"

c)

b) 5" d) 5'

10

3T,Whatshouldbedoneimmediatelyifacylinderleaksduetodefectivevalvesorsafety plug

b) Ask other to rePair it d) Move it to a safe area

i) f.y to repair it Yourself c) hform

38.

pressure weldin! process, generally used in sheet metal fabrication is called

b) Gas weldins d) Thermit welding

;i-Ar";JJG" "i

39.

othdr to the suPPliers

Spo,

welding

The clearance angle of a drill is between a) 3o to 5" c) L2" to 20o

'''''

"

b) 8" to t2' d) 15'to 20o

Contd....5/-

tTtBtcts:zt4tE

40.

The tap used to cut threads in a blind hole is ... .....

:l 4L.

Booklet Series - D

-5-

I:?:*x,*,",

:1ffi:*J1,,n","

Eleckode is consumed in the following welding process .. a) Gas b) Resistance

c)

Arc

d) fhermit

42.

The Material used for coating of electrode is called a) Protective layer b) Blinder c) Flux d) Slag

43.

A Drift is used for ....... a) Drawing drill location b) Fixing chuck on the machine spindle c) Removing a broken drill from the work d) Removing the drill from the machine spindle

44.

The charge is fed into the blast furnace through the

a) Throat c)

Bosh

45.

Adjustable.screw plate die is used for ... a) Chasing or reconditioning b) Easy to assemble inside the color c) Increasing or decreasing depth of cut d) To supply the cutting oil while threading

46a)

c)

47.

.. Is used for galvanizing iron sheets so that they do not rust.

Lead Zinc.

b) Tin di Silver

The process of beveling the end of a hole is called

a) Counter boring

c)

48.

:] ili:5,

Spot

facing

b) Counter sinking d) Reaming

Straight shank drills are held in:

a) Sleeve c) Arbor

b) Socket d) Drill chuck

Contd....6/-

Booklet Series - D

tTtBtcls-zlAtE

49.

Property of wrought iron is decide bya) Carbon and magnesium c) Aluminum and carbon

50.

The drilled hole is more than

drill size due to

clearance c) Inappropriate cutting angle a) Incorrect

b) Carbon and manganese d) Magnesium and manganese

b) Unequal lip lengths d) Large Helix angle