FITTER NIMI JULY15 QUESTIONS
The clearance angle of a drill for drilling mild steel job is ...
A 3° to 5°
B 8° to 12°
C 12° to 20°
D 15° to 50°
The process of imbedding the abrasive grains on a lap is called ........
A rubbing
B charging
C fixing
D pasting.
Which pin adjusts itself in case of wide tolerance of holes for locating in assemblies?
A Taper pin
B Cotter pin
C Spring pin
D Dowel pin
Belt get slip in open belt drive, due to insufficient arc of contact of pulley... How do you reduce this type slip?
A Put jockey pulley on slack side near smaller pulley.
B Put jockey pu Hey on tension side near to smaller pulley.
C Put jockey pulley on slack side near to bigger pulley.
D Put jockey pulley on tension side near to bigger pulley.
While working on drilling machine first we select the cutting speed, to set the spindle speed (RPM)
Which one of the following to be considered to select the cutting speed?
A Job material and tool material
B Job material and dia of drill, type of machine
C Tool material and type of coolant
D Dia of drill and finish of job.
Why double cut file should not be used for filing on the meta! Tin?
A The file will not cut the metal
B The metal is hard
C The file slide on the metal instead of cutting
D The metal pieces will clog on the file.
Which anticorrosive metal is widely used for surface coating on iron sheets for galvanising?
A Tin
B Brass
C Copper
D Zinc
The movement of cutting tool causes certain lines or patterns over the surface of work piece is...
A roughness
B waviness
C surface texture
D lay
Travelling wall crane can shift the load in ...
A one direction
B two direction
C three direction
D four direction.
Which one of the following formula is applied to find the tail stock offset when turning tapers by offset method?
D-d
I
D-d
21
D-d
21
d-D
21
The pointer of Plunger type dial indicator points to 52 divisions on dial and its revolution counter shows 2 divisions. Least count of instrument is 0.01 mm. The value of reading is ........
A 5.2 mm
B 5.4 mm
C 2.52 mm
D 0.54 mm
Square thread is used for........
A screw jack.
B general purpose bolt and nut.
C railway couplings.
D spind le of m icrometer
Tempering is done after.....
A Annealing
B Normalising
C Hardening
D Forging
Which device gives support to the job at fixed place. While turning slender job on lathe........
A Dead centre
B Revolving centre
C Travelling steady rest
D Fixed steady rest
The clearance angle of a drill for drilling mild steel job is ...
A 3° to 5°
B 8° to 12°
C 12° to 20°
D 15° to 50°
The process of imbedding the abrasive grains on a lap is called ........
A rubbing
B charging
C fixing
D pasting.
Which pin adjusts itself in case of wide tolerance of holes for locating in assemblies?
A Taper pin
B Cotter pin
C Spring pin
D Dowel pin
Belt get slip in open belt drive, due to insufficient arc of contact of pulley... How do you reduce this type slip?
A Put jockey pulley on slack side near smaller pulley.
B Put jockey pu Hey on tension side near to smaller pulley.
C Put jockey pulley on slack side near to bigger pulley.
D Put jockey pulley on tension side near to bigger pulley.
While working on drilling machine first we select the cutting speed, to set the spindle speed (RPM)
Which one of the following to be considered to select the cutting speed?
A Job material and tool material
B Job material and dia of drill, type of machine
C Tool material and type of coolant
D Dia of drill and finish of job.
Why double cut file should not be used for filing on the meta! Tin?
A The file will not cut the metal
B The metal is hard
C The file slide on the metal instead of cutting
D The metal pieces will clog on the file.
Which anticorrosive metal is widely used for surface coating on iron sheets for galvanising?
A Tin
B Brass
C Copper
D Zinc
The movement of cutting tool causes certain lines or patterns over the surface of work piece is...
A roughness
B waviness
C surface texture
D lay
Travelling wall crane can shift the load in ...
A one direction
B two direction
C three direction
D four direction.
Which one of the following formula is applied to find the tail stock offset when turning tapers by offset method?
D-d
I
D-d
21
D-d
21
d-D
21
The pointer of Plunger type dial indicator points to 52 divisions on dial and its revolution counter shows 2 divisions. Least count of instrument is 0.01 mm. The value of reading is ........
A 5.2 mm
B 5.4 mm
C 2.52 mm
D 0.54 mm
Square thread is used for........
A screw jack.
B general purpose bolt and nut.
C railway couplings.
D spind le of m icrometer
Tempering is done after.....
A Annealing
B Normalising
C Hardening
D Forging
Which device gives support to the job at fixed place. While turning slender job on lathe........
A Dead centre
B Revolving centre
C Travelling steady rest
D Fixed steady rest
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