fitter sem 3 jan 2015 questions
Mention the key having high torque of impact type is
to be transmitted in both direction of rotation.
A wood ruff key B saddle key C jib h8ad key D tanqential key
A wood ruff key B saddle key C jib h8ad key D tanqential key
Hexagonal nut is made of hexagonal bar wstn a screwed/
threaded hole in the centre . where'd" is the diameter of the
bolttheoretically the nut corner to corner is........
A d B 15 d C 2d D
2,5 d
This scraper cutting edge helps to make point contact
while scraping and also helps to
remove small spots, name the type of scraper.........
remove small spots, name the type of scraper.........
A three square scraper
B bull nose scraper C half round
scraper D flat scraper
Which one of the following spring is used to supply
motive power to clocks .cameras etc?
A Balance
spring B Leap spring
C Conical disc spring D Heiicai
tension spring
Which type of gauge is used to check the internal
threads ?
A. screw pitch gauge
B. screw thread plug gauge C.
screw thread ring gauge D. screw thread
caliper gauge
Slip gauges are used as standards for precision length
measurement. The slip gauge are available in four grades as per BIS standard.
Which one of the following four grades is meant for calibration purpose?
A Grade
00 B
Grade II C Grade I
D Grade 0
The size of a sine bar is specified by............
A width B
height . C depth D length
The difference between the maximum limit of size and
the minimum limit of size is called....
A upper deviation
B lower deviation C
tolerance D actual size
The purpose of grooves given on the lapping pi ate is
for..........
A reduction friction
B retaining lapping paste C
collecting the metal chips D preventing
distortion of the plate
In honing the movement of the spindle
is................
A horizontal
and reciprocating B vertical and reciprocating C reciprocating D Vertical
The abrasive used for honing of non-ferrous meiai
is...........
A boron carbide
B diamond C silicon carbide D aluminium oxide
In a plain bush bearing to prevent the rotation of
bush in the housing it should be fitted by
means of...............
means of...............
A soldering B
welding C brazing D key or screw
Which one of the bearing loading is parallel to the
axis of the bearing?
A Thrust bearing
B Bush bearing C Solid
bearing D Split bearing
Identify the form of thread used on fly presses and
screw jacks
A knuckle
thread B 'V thread
C ACME thread D
square thread
Cutting fluids are used while honing the mineral oil
commonly used in machining operations is diluted in proportion of one part of
oil with four parts of ..........is used for honing
A. soap water B.
lard oil C. kerosene D
sulphurised oil
Angle slip gauges are available in sets. Each set
consists of degree series,minute series and seconds series.In a standard set
,the number of pieces in the seconds series is......
A 3 B 4 C 5 D
6
The number of (oierance grades in the IS system of
limits are.............
A 14 grades of tolerance B 16 grades of tolerance
C 18 grades of tolerance D 20 grades of tolerance
C 18 grades of tolerance D 20 grades of tolerance
A workpiece has a muitistart' V thread cut on it the
threads are checked with a screw pitch gauge which one of the following
eiements cannot be checked with the screw pitch gauge?
A Pitch B
lead C profile angle D depth
Screw thread plug gauge are usea to check internal
threads Which one of the following statements is true with respect to the
condition for acceptance of the thread component when checked withthe "NO
GO* end?
A Fully enters with force and with out wobble
B Fully enters with out force and with out wobble
A Fully enters with force and with out wobble
B Fully enters with out force and with out wobble
C Enters for
two or three threads with wobble
D Enters for two or three threads without wobble
D Enters for two or three threads without wobble
A sine bar is an indirect precision tool to check and
measure angles and tapers to a very close accuracy.The sine bar is made out
of.......
A stabilised chromium steel. B nickel steel C high speed steel D high carbon steel
Under terminology of the BIS system of limits the term
tolerance is defined as the difference between the.................
A. maximum limit and the basic size
B. minimum limit and the basic size
C. maximum limit and minimum limit
D. actual size and the basic size
B. minimum limit and the basic size
C. maximum limit and minimum limit
D. actual size and the basic size
In the BIS system of limits three are 18 grades of
tolerance represented by number symbols for boih hole and shaft Which one of
the following ranges of grade is best suitable for manufacture of gauges?
A 12 to
16 B
8 to 12 C 5 to 8 D 1to4
The jaw type thread snap gauge is used to check
external threads. The anvil of the 'NOGO' end are in the form of....
A truncated
and less number of threads than the Go end
B sharp at crest root
C rounded off at crest and root
D full form and less number of threads than the 'GO' end
B sharp at crest root
C rounded off at crest and root
D full form and less number of threads than the 'GO' end
While measuring the size of the bare conductor with a
standard wire gauge the conductor should only be cleaned with.............
A sand paper B
knife C clean cotton cloth D emery paoer
The plastic used for making engineering Component
bearing is.....,.......
A
polythene B celiutosis C acrylicrein
D nylon