fitter sem 3 jan 2015 questions

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

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.........

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...............

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

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

C   Enters for two or three threads with 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

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

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