| Post Name | Maintenance Assistant (Mechanical) - Foam Mattings India Ltd |
|---|---|
| Question Paper Code | 068/2022/OL |
| Category Code | 332/2020 |
| Date of Test | 19 August 2022 |
| Exam Type | Online Examination |
| Total Questions | 100 |
1
The weight of Engineer's hammer is varies from
Answer
B. 125 gm – 1500 gm
2
Bench vice is specified by
Answer
D. Width of jaws
3
Which vice is used for forging work ?
Answer
B. Leg vice
4
What is the expansion of MKS System ?
Answer
D. Metre, Kilogram and Second system
5
How much is the accuracy of try square ?
Answer
C. 0.002 mm per 10 mm length
6
Which type of rule is used in pattern making ?
Answer
A. Shrink rule
7
How many seconds are in one degree ?
Answer
D. 3600 seconds
8
The least count of steel rule is
Answer
B. 0.50 mm
9
The graduations are marked in Bevel protractor are
Answer
B. 0° – 180°
10
What is the unit of Temperature in British system ?
Answer
A. Fahrenheit
11
Which of the following surface plate retain their accuracy even if the surface is scratched ?
Answer
C. Granite
12
Combination set consist of
Answer
A. Square head, centre head, protractor head and rule
13
Which marking media will give very clear lines but take more time for drying than other marking media ?
Answer
D. Prussian blue
14
What is the value of one Micron ?
Answer
C. 1/1000 mm
15
How the Divider is specified ?
Answer
C. Distance from the point to the centre of the fulcrum roller of the leg
16
Which of the following statement is/are correct about the use of Universal Surface gauge ? I. Scribing lines parallel to a curved edges II. Setting jobs on machine parallel to Datum surface III. Check the height and parallelism of jobs IV. Mark the lines at any angle and mark parallel lines
Answer
B. II and III
17
Which grades of angle plates are used for very accurate tool room type work ?
Answer
A. Grade I
18
Which Caliper is used to find the centre of round rod ?
Answer
C. Jenney Caliper
19
Point angle of prick punch is
Answer
A. 30°
20
Which material is used for making Scriber ?
Answer
D. High carbon steel
21
Ferrule is a
Answer
C. Protective metal ring to prevent cracking of the handle
22
The curved cut files are available only in a _______ shape.
Answer
A. Flat
23
In 150 mm length of Bastard file, how may number of cuts over the length of 10 mm ?
Answer
B. 13
24
Most files have the faces slightly bellied length wise. This is known as _______ of a file.
Answer
B. Convexity
25
What is the pitch of hacksaw blade used to cut brass tubing, copper, iron pipe etc. ?
Answer
D. 1 mm
26
What is the name of angle marked x shown in figure given below ?
Answer
B. Rake angle
27
_______ is the distance a drill advances into the work in one complete rotation.
Answer
C. Feed
28
What is the taper angle of second tap shown in figure given below ?
Answer
C. 10°
29
_______ is an operation of bevelling the end of a drilled hole.
Answer
C. Countersinking
30
Which gauge is used to check the radius formed on the edges of an components ?
Answer
D. Radius gauge
31
In metric micrometer the pitch of the spindle thread is _______
Answer
C. 0.5 mm
32
The micrometer works on the principle of _______
Answer
B. Screw and nut
33
In a Dial Caliper, the Dial hand is operated by ______ system on the beam.
Answer
C. Rack and pinion
34
In vernier height gauge ______ is used on the movable jaw, when it is required to take measurement from the lower place.
Answer
C. Off set scriber
35
What is the least count of vernier bevel protractor ?
Answer
B. 2 MSD – 1 VSD
36
Which grade slip gauge is used for precision tool room applications ?
Answer
A. Grade I
37
What is the purpose of holes drilled across sine bar ?
Answer
C. For reducing the weight and also it facilitate clamping of sine bar on angle plate
38
What is the name of Jig shown in figure given below ?
Answer
B. Drill Jig
39
The ability to select components for assembly at random and fit them together within proper tolerance is called ______
Answer
C. Interchangeability
40
_______ is the difference between the maximum limit of size and the minimum limit of size.
Answer
B. Tolerance
41
The included angle of BA thread is
Answer
D. 47 1 ° 2
42
What is the name of coupling show in figure given below ?
Answer
B. Flange coupling
43
If two bevel gears are symmetrical to each other and transmit motion at right angle such gears may be called
Answer
C. Mitre gear
44
The belt turns on a pulley it tends to stretch on the contact area of the driving pulley and shorten on the driven pulley. This localized movement of the belt is a direct result of elastic stretch and is known as
Answer
A. Creep
45
Which belt is generally used, when the distance between the shaft is too short ?
Answer
A. V belt
46
What is the name of bearing used, when the loading is parallel to the bearing axis ?
Answer
A. Thrust bearing
47
Which key is used for transmitting light torque ?
Answer
B. Woodruff key
48
What is the name of clutch shown in figure given below ?
Answer
C. Cone clutch
49
In which tooth type lock washers are used, when the mounting holes are over size ?
Answer
B. Internal and external type
50
Which alloy is used to make the bearing for work at higher temperature and have higher load carrying capacity ?
Answer
C. Cadmium based alloy
51
The process which helps in producing a fine grain for uniformity of structure and for improved mechanical properties is known as
Answer
D. Normalizing
52
Which one of the following is an alloy of carbon and iron in which carbon in combined state ?
Answer
A. Steel
53
Carbon dissolved in the iron to form a solid solution is called
Answer
B. Ferrite
54
If the hot steel is the cooled rapidly the austenite changed in to a new structure called Martensite which property of steel is increase
Answer
A. Hardness
55
Which cast iron has the ability to reduce vibration and tool chattering in machine tools ?
Answer
A. Grey cast iron
56
What is the name of heat treatment process for reheating the hardened steel to a temperature below 400 degree centigrade followed by cooling ?
Answer
C. Tempering
57
Why tempering process is carried out in
Answer
D. To regulate the hardness and toughness
58
What is the purpose of brine solution, water, oil and air used in heat treatment process ?
Answer
B. Quenching
59
Name the property of metal that withstand shock or impact
Answer
A. Tenacity
60
Which metal is used for magnets and ball bearing ?
Answer
A. Cobalt
61
Which one of the following is the function of tuyers in the forge ?
Answer
C. Act as outlet of products of combustion
62
Which among the following is a term used in forging in which the thickness of the job is increased by decreasing the length ?
Answer
D. Jumping
63
Forging is done when the metal is in
Answer
B. Plastic condition
64
Which one of the following operations are performed when bottom swage and top fuller used together ?
Answer
A. Hollowing
65
Cast iron cannot be foged because it has the property of
Answer
D. Brittleness
66
Which among the following is a forging defect which occurs during upsetting process when faces of the stock become square ?
Answer
A. Buckling of stock
67
Which one of the following is used for bending hooks of flat and round steel bars ?
Answer
C. Bolster swages
68
The instrument used to measure high temperature in furnace is
Answer
D. Pyrometer
69
Fullers are used for
Answer
A. Necking and grooving
70
The process of local thinning down of a stock by forging operation is called as
Answer
A. Setting down
71
Which tool used for closing down the edges of plate and head of rivet ?
Answer
B. Caulking tool
72
Which hammer is used for preparing for wire edge on sheet metal work ?
Answer
C. Creasing hammer
73
Which stake is useful for making sharp bends, folding edges of sheet metal ?
Answer
B. Hatchet stake
74
Pittsburgh seam is also known as
Answer
B. Hammer lock
75
Allowance for paned down joints is
Answer
D. 2W + 2T
76
What is the angle of counter sinking for riveting ?
Answer
A. 75°
77
The distance from the edge of the plate to the center of the nearest rivet (diameter of rivet is d) is
Answer
C. 1.5d
78
Which a statement is/are correct about hand lever punch ? i. For marking holes when too much holes are to be punched ii. For punching small holes in thin metal sheet iii. The tool consists of a punch and die iv. To mark the center of holes to be drilled
Answer
A. Only i and iii
79
Which method of pattern layout is used for prisms or cylinders ?
Answer
C. Parallel line
80
Choose the correct matching sequence of the following 1. Single seam a. Used to join the bottom of a container to its body 2. Double seam b. Used to join a bottom to vertical bodies of various shapes 3. Dovetail seam c. Formed edge is bent upward against the body 4. Flanged seam d. Used to join flat plate to a cylindrical piece
Answer
D. 1-b, 2-c, 3-d, 4-a
81
Which type shade number of filter colour glass is used for manual arc welding up to 100 amperes ?
Answer
C. 8 – 9
82
What is the point where the weld face joints the parent metal ?
Answer
B. Toe of weld
83
What is the range of coating factor for medium coated electrodes ?
Answer
C. 1.40 to 1.50
84
What are the substances used to make the welds stronger ?
Answer
A. Deoxidizers
85
Which size cutting nozzle is used for gas cutting 19 – 100 mm thickness plate ?
Answer
D. 1.6 mm
86
Which statement is/are correct about mild steel electrode ? i. It contain silicon above 0.5% ii. It contain carbon 0.1 to 0.3% iii. During welding the electrode will tend to get red got quickly
Answer
B. Only i and ii
87
The percentage of carbon and hydrogen in acetylene gas is
Answer
B. Carbon 92.3% and Hydrogen 7.7%
88
Which statement is correct about the rightward welding techniques ? i. The rightward technique is used to welding steel having thickness above 5 mm ii. The rightward technique is used to welding steel having thickness up to 5 mm iii. There is more heat concentration for fusion, and hence useful for welding thick jobs iv. There is less heat concentration for fusion, and hence useful for welding thin jobs
Answer
C. Only i and iii
89
In thermit welding, thermit is a mixture of
Answer
A. Iron oxide and Aluminium
90
The straight line which bisecting two toe points is known as
Answer
D. Miter line
91
The connection between the lead screw and carriage is made by
Answer
D. Split nut
92
The micrometers dial on the cross slide hand wheel, with the accuracy of
Answer
B. 0.05 mm
93
In lathe, which gear mechanism is used for changing the direction of rotation of the lead screw and feed shaft ?
Answer
D. Tumbler gear
94
Which statement is/are correct about compound rest method ? i. Both hand feed and power feed can be given ii. Steep tapers can be produced iii. Threads on the taper portion can not be produced iv. Both internal and external tapers can be produced
Answer
C. Only ii and iv
95
Which center is used to support the end of the job where no countersink hole is permitted ?
Answer
C. Female center
96
What is the formula used to find taper angle by tail stock offset method ?
Answer
A. Set-over = (D − d)L/(2l)
97
Which one of the following standard taper is provided in the tailstock barrel ?
Answer
B. Morse taper
98
Which statement is/are correct about four jaw chuck ? i. Separate internal and external jaws are available ii. Each jaws has square thread provided iii. There is no loss of accuracy as the chuck gets worn out iv. Jaws move upward or downward, depending up on the rotation of crown wheel
Answer
C. Only ii and iii
99
Which work holding device are serve as a fixture ?
Answer
C. Face plate
100
Function of clearance angle in a lathe cutting tool is
Answer
D. Avoid rubbing of tool with the work
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