WorksheetsFitter 3rd sem - NSQF - Module 1 Assembly 121-165
Total questions: 45
Worksheet time: 23mins
Name
Class
Date
1.
What is marked as ‘X’?
a)
Thread ring gauge Go
b)
Thread ring gauge No Go
c)
Ring gauge
d)
Thread pitch gauge
2.
What is the name of gauge?
a)
Thread ring gauge
b)
Thread plug gauge
c)
Thread pitch gauge
d)
Taper plug gauge
3.
What is the quenching media used in heat treatment to obtain faster rate of cooling?
a)
Brine solution
b)
Air
c)
Oil
d)
Water
4.
What is marked as ‘X’ ?
a)
Upper critical temperature
b)
Lower critical temperature
c)
Austenite
d)
Ferrite
5.
What is the angle of elbows and bends that provide diversions?
a)
90° & 45°
b)
30° & 60°
c)
20° & 40°
d)
70° & 120°
6.
What type of screws are used in the places were frequent removal and assembling?
a)
Square head screws
b)
Hexagon socket head cap screws
c)
Round head screws
d)
Cheese head screws
7.
What type of nuts are used in coach building work?
a)
Square nut
b)
T-nuts
c)
Wing nuts
d)
Cap nuts
8.
What is the name of nut having top part in cylindrical shape and bottom part in hexagonal shape?
a)
Slotted nut
b)
T - Nuts
c)
Cap nuts
d)
Castle nuts
9.
Which type of machine screw used in heavy duty assembly work?
a)
Pan head screw
b)
Cheese head screw
c)
Round head screw
d)
Hexagon head screws
10.
Which type of machine screw is used in light assembly work?
a)
Hexagon head screw
b)
Cheese head screw
c)
Hexagon socket head cap screws
d)
Square head counter sink head screws
11.
Which file with sharp and parallel teeth used on soft and non metalic materials?
a)
Pillar file
b)
Tinker file
c)
Dreadnaught file
d)
Warding file
12.
Which file used as finishing tool and ensure precision smoothness?
a)
Swiss pattern file
b)
Pillar file
c)
Dreadnaught file
d)
Warding file
13.
What is the thickness range of BIS set of feeler gauge?
a)
0.01 mm to 1 mm in steps of 0.01 mm
b)
0.02 mm to 1 mm in steps of 0.02 mm
c)
0.03 mm to 1 mm in steps of 0.01 mm
d)
0.04 mm to 1 mm in steps of 0.01 mm
14.
What is the height of slip gauge ( θ = 25° = 0.4226)?
a)
41.26
b)
42.26
c)
43.26
d)
44.26
15.
What is the instrument used for measuring internal diameter of workpiece?
a)
Parallel leg caliper
b)
Outside caliper
c)
Pair of special jaws by using slip gauge
d)
Vernier caliper
16.
What is the calibration grade of slip gauges?
a)
Grade 0
b)
Grade 00
c)
Grade I
d)
Grade II
17.
What is the grade of slip gauges are used for inspection purpose?
a)
Grade I accuracy
b)
Grade ‘0’ accuracy
c)
Grade ‘00’ accuracy
d)
Grade II accuracy
18.
What is the method of build of size using slip gauge?
a)
Wringing
b)
Sliding
c)
Glazing
d)
Loading
19.
What is the gauge used?
a)
Thread ring gauge
b)
Thread plug gauge
c)
Screw pitch gauge
d)
Thread caliper gauge
20.
What is the purpose of ring gauge?
a)
Check the outside diameter
b)
Check the holes diameter
c)
Check the tapered shaft diameter
d)
Check the outside threads
21.
What is the range of size in individual radius gauges?
a)
Step of 1mm
b)
Step of 0.5mm
c)
Step of 1.5mm
d)
Step of 2mm
22.
What is the gauge to check acceptable size on external diameter of a shaft?
a)
Ring gauge - Go
b)
Plug gauge - Go
c)
Ring gauge - No Go
d)
Plug gauge - No Go
23.
What is the finishing process carried out with abrasive sticks to correct the profile of internal cylindrical surfaces?
a)
Lapping
b)
Honing
c)
Grinding
d)
Filing
24.
Which lapping material used for easy charging and rapid cutting?
a)
Cast iron
b)
Copper and brass
c)
Close grained iron
d)
White cast iron
25.
Which lap material is inexpensive and can be expanded if worn out?
a)
Brass
b)
Cast iron
c)
Lead
d)
Bronze
26.
Which type of abrasive material is externely hard and used in lapping for heavy stock removal?
a)
Silicon carbide
b)
Aluminium oxide
c)
Boron carbide
d)
Diamond
27.
Which abrasive is used for lapping dies and gauges?
a)
Boron carbide
b)
Silicon carbide
c)
Diamond
d)
Aluminium oxide
28.
Which is the hardest of all abrasive material and used for lapping tungsten carbide?
a)
Silicon carbide
b)
Boron carbide
c)
Diamond
d)
Aluminium oxide
29.
What is the abrasive used for lapping accurately finishing very small holes?
a)
Silicon carbide
b)
Diamond
c)
Boron carbide
d)
Aluminium oxide
30.
What is the purpose of lapping vehicles?
a)
Regulate cutting action and lubricate surface
b)
Medium effective operation
c)
Decrease dimensional accuracy
d)
Decrease cutting ability
31.
Which lapping vehicle is used for lapping copper and its alloys?
a)
Vegetable oil
b)
Machine oil
c)
Soluble oil
d)
Petroleum jelly
32.
What is the purpose of lapping tool?
a)
Lapping tool for external surface
b)
Lapping tool for internal surface
c)
Lapping tool for external cylindrical surface
d)
Lapping tool for internal cylindrical surface
33.
What is the temperature that change of structure to austenite starts at 723° in heat treatment process?
a)
Lower critical temperature
b)
Upper critical temperature
c)
Melting temperature
d)
Critical temperature
34.
What is the process if hot steel is cooled slowly the old structure is retained and it will have fine grains that makes it easily machined?
a)
Annealing
b)
Hardening
c)
Tempering
d)
Normalising
35.
What is the name if hot steel cooled rapidly to form a new structure ?
a)
Ferrite
b)
Austenite
c)
Martensite
d)
Pearlite
36.
What is the process to add cutting ability and wear resistance on steel?
a)
Tempering
b)
Annealing
c)
Normalising
d)
Hardening
37.
What is the heat treatment process to remove extreme brittleness and induce toughness and shock resistance in steel?
a)
Tempering
b)
Annealing
c)
Normalising
d)
Hardening
38.
What is the process of steel being heated to required temperature and held in the same temperature for a period of time?
a)
Soaking
b)
Heating
c)
Quenching
d)
Hardening
39.
What is the purpose of brine solution, water, oil and air used in heat treatment process?
a)
Soaking
b)
Quenching
c)
Heating
d)
Austenite
40.
What quenching media is used for special alloy steel?
a)
Brine solution
b)
Water
c)
Oil
d)
Cold Air
41.
What is the heat treatment process of reheating the hardened steel to a temperature below 400°C followed by cooling?
a)
Tempering
b)
Hardening
c)
Annealing
d)
Normalising
42.
What is the advantage of annealing ?
a)
To relieve the internal stress
b)
To add cutting ability
c)
To refine the grain structure of the steel
d)
To increase wear resistance
43.
What is the process of removing the internal defects of steel components?
a)
Annealing
b)
Normalising
c)
Hardened
d)
Tempering
44.
Which key is used for transmitting light torque?
a)
Saddle key
b)
Woodruff key
c)
Gib head key
d)
Feather key
45.
How the mechanical properties of steel like strength, toughness, ductility are affected?
a)
By tempering
b)
By hardening
c)
By annealing
d)
By normalising
100 %
