TRADESMAN -FITTING
TRADESMAN -FITTING MCQs
1:-Which one of the following is a type of actuator in a Hydraulic system? A:-Pump B:-Va|ve C:-Strainer D:-Cy|inder Ans: D
2:-The main title of the drawing is written in ..... style? A:-Times new roman B:-Aria| C:-Courier D:-Gothic Ans: D
3:-The system of writing dimensional value over the dimensional line is called as .....? A:-Para||e| Dimensioning System B:-A|igned System C:-Chain Dimensioning System D:-Unidirectiona| System Ans: B
4:-|f actual length of 5 mm is drawn in drawing to a length 50 mm. What is the type of scale used? A:-Reduced scale B:-Mu|tip|e scale C:-En|arged scale D:-P|ain scale Ans: C
5:-What is the interior angle of a regular pentagon? A:-120 degree B:-60 degree C:-72 degree D:-108 degree Ans: D
6:-True shape of an inclined plane is shown in .....? A:-Auxi|iary view B:-Front view C:-Top view D:-Side view Ans: A
7:-Lower critical temperature of high carbon steel while hardening is .....? A:-960 degree B:-900 degree C:-723 degree D:-560 degree Ans: C
8:-Which reamer is used for reaming internal metric morse tapered holes? A:-Socket reamer with parallel shank B:-Hand reamer with pilot C:-Taper pin hand reamer D:-He|ica| fluted reamer Ans: A
9:-Face of the pulley is make slightly convex in width. It is called .....?
A:-F|anck B:-Crowning C:-Effective diameter D:-Rim Ans: B
10:-Which parameter is specific to design hydromotor? A:-Maximum cylinder size B:-Maximum oil saving method C:-Maximum piston size D:-Maximum operating pressure Ans: D
11:-Which is the important factor to determine the construction of fixture? A:-Location and clamping B:-Machining method C:-Too| guiding and framing D:-Size of work piece and tool Ans: B
12:-The following extinguisher is suitable for cotton or other textile fire A:-Water B:-Foam C:-Soda Acid D:-Dry Chemical Ans: A
13:-Which one of the following tests is carried out after overhauling and reconditioning of Machines? A:-Periodic acceptance test B:-Geometrica| test only C:-Performance test one D:-None of the above Ans: A
14:-Name the rivet head used for heavy fabrication work is .....? A:-F|at head B:-Pan head C:-Snap head D:-Mushroom Ans: B
15:-Which is the least efficient but most common type of chain hoist available? A:-Screw geared hoist B:-Spur geared hoist C:-Differentia| hoist D:-Come along chain hoist Ans: C
16:-What is the cause of water dripping from the tap even after closed? A:-Defective washer B:-Spind|e thread wornout C:-Bend spindle D:-Loose valve Ans: A 17:-Which metal alloys is used to make bearing? A:-Tin B:-Nicke| C:-Chromium D:-Babbit Metal Ans: D
18:-Which metal used to make alligator type fastener? A:-G.I. sheet B:-Copper sheet C:-Stee| sheet D:-A|uminium sheet Ans: C
19:-Why the small steel wedge is tapped under the machine in lifting operation? A:-To prevent vibration B:-To reduce the weight C:-To accept the crowbar D:-To balance the machine Ans: C
20:-Which type of coupling can bring the shaft ends into perfect alignment? A:-P|ate coupling B:-C|amp coupling C:-Safety coupling D:-Universa| coupling Ans: A
21:-Which among the following material can be cut with a RASP cut file? A:-Copper and Tin B:-Brass and Bronze C:-Leather and Wood D:-Stee| Ans: C
22:-Which among the following types of chisel used to cutting curved grooves? A:-F|at Chisel B:-Diamond Chisel C:-Cross cut Chisel D:-Ha|f round nose Chisel Ans: B
23:-An oily floor should be cleaned by .....? A:-Cotton waste B:-Putting water C:-putting saw dust or sand D:-Spraying carbon dioxide Ans: C
24:-Which one of the thread forms has an included angle of 29 Deg. between the sides of the thread?
A:-Gritish association thread B:-Knuckle thread C:-Buttress thread D:-ACME thread
Ans: D
25:-Specia| purpose material handling equipment are used in?
A:-Purpose Layout B:-Line Layout C:-Both A and B D:-None of the above Ans: B
26:-A hole, which is not made through full depth of the component is known as .....?
A:-Core Hole B:-Bore Hole C:-Pin Hole D:-B|ind Hole Ans: D
27:-Which among the following is an artificial abrasive? A:-A|uminium oxide B:-Emery C:-Diamond D:-Corundum Ans: A
28:-A grinding wheel is marked: 51 A 46 L 5 V-23. Here what does 5 denote? A:-Kind of bond B:-structure C:-Kind of abrasive D:-Grain size
Ans: B
29:-Which type of key is used for coupling a pully with a shaft? A:-Taper Key B:-Woodruff Key C:-GIB head Key D:-F|at Saddle Key Ans: C
30:-For riveting aluminium sheets, the material of rivet should be used .....? A:-A|uminium B:-Copper C:-Brass D:-Wrought Iron Ans: A
31:-Which among the following nuts is used for hand vice? A:-Check Nut B:-Wing Nut C:-Thumb Nut D:-Hexagona| Nut Ans: B
32:-Which one of the following is a chemical property of metals? A:-Corrosion B:-Conductivity C:-Hardness D:-E|asticity Ans: A
33:-Liquid carburizing is done in a heated salt bath. Which one of the following is not a carburizing salt? A:-Sodium Carbonate B:-Barium Chloride C:-Sodium Cyanide D:-Sodium Sulphate Ans: D
34:-The belt movement upon the outer surface of the Pulleys within the area of contact is known as .....? A:-S|ipping B:-Creeping C:-Dressing D:-Crowning Ans: B
35:-Which one of the following is designed for taking an Axial Thrust Load as well as Radial Load? A:-Thrust Bearing B:-Need|e Bearing C:-Angu|ar contact Ball Bearing D:-Ro||er Bearing Ans: C
36:-..... are used for rotating shafts between centres? A:-Mandre| B:-Chuck C:-Face Plate D:-Driving Plate Ans: D
37:-A Collate Chuck is meant for the Gripping of? A:-Heavy job B:-Sma|| jobs C:-Large dia jobs D:-Sma|| dia jobs Ans: B
38:-The measured size of dimension of a component is called? A:-Basic size B:-Nomina| size C:-A||owed size
D:-Actua| size Ans: D
39:-Ratchet stop in the micrometer help to .....? A:-Lock the spindle B:-Contro| the pressure C:-adjust zero error D:-Ho|d the jobs Ans: B
40:-A file used for filing narrow slots notches and grooves is a .....? A:-Knife edge file B:-Ha|f round file C:-F|at file D:-Mi|| file Ans: A
41:-Leve|ing bolts are used for .....? A:-Supporting the load for machine B:-Rigidity of machine C:-Adjusting the height of machine D:-None of these Ans: C
42:-The sensitivity of precision spirit level is? A:-0.02 to 0.05/ 100 mm B:-0.02 to 0.05 / 1000 mm C:-0.02 to 0.05 / 200 mm D:-0.02 to 0.05 / 500 mm Ans: B
43:-97:-Which of the following is not a part of a taper turning attachment? A:-Guide Block B:-S|iding Block C:-Guide Bar
D:-Carrier Ans: D
44:-Cast iron is used for manufacturing machine beds because? A:-It can resist more compressive stress B:-|t is heavy in weight C:-It is a cheaper metal D:-|t is a brittle metal Ans: A
45:-Desirable hardness in a file is generally? A:-30 HRC B:-45 HRC C:-60 HRC D:-80 HRC Ans: C
46:-Carbide tipped tool used for turning hard material is provided? A:-Side rack angle B:-Zero rack angle C:-Positive rack angle D:-Negative Rack angle Ans: D
47:-The plug gauge with go and nogo ends on the same side of the gauge is .....? A:-Doub|e ended plug gauge B:-Progressive plug gauge C:-Adjustable plug gauge D:-Fixed type plug gauge Ans: B
48:-Extension rods of inside micrometer are made of? A:-Stee| with 800 H.V B:-|n side micrometer
C:-Depth Gauge D:-Tube Micrometer Ans: A
49:-Bending of a rope is known as? A:-Round Turn B:-Bight C:-Loop D:-Knot Ans: D
50:-Doub|e helical gear are called? A:-Herring Bone Gear B:-Spur Gear C:-Beve| Gear D:-Worm Gear Ans: A
2:-The main title of the drawing is written in ..... style? A:-Times new roman B:-Aria| C:-Courier D:-Gothic Ans: D
3:-The system of writing dimensional value over the dimensional line is called as .....? A:-Para||e| Dimensioning System B:-A|igned System C:-Chain Dimensioning System D:-Unidirectiona| System Ans: B
4:-|f actual length of 5 mm is drawn in drawing to a length 50 mm. What is the type of scale used? A:-Reduced scale B:-Mu|tip|e scale C:-En|arged scale D:-P|ain scale Ans: C
5:-What is the interior angle of a regular pentagon? A:-120 degree B:-60 degree C:-72 degree D:-108 degree Ans: D
6:-True shape of an inclined plane is shown in .....? A:-Auxi|iary view B:-Front view C:-Top view D:-Side view Ans: A
7:-Lower critical temperature of high carbon steel while hardening is .....? A:-960 degree B:-900 degree C:-723 degree D:-560 degree Ans: C
8:-Which reamer is used for reaming internal metric morse tapered holes? A:-Socket reamer with parallel shank B:-Hand reamer with pilot C:-Taper pin hand reamer D:-He|ica| fluted reamer Ans: A
9:-Face of the pulley is make slightly convex in width. It is called .....?
A:-F|anck B:-Crowning C:-Effective diameter D:-Rim Ans: B
10:-Which parameter is specific to design hydromotor? A:-Maximum cylinder size B:-Maximum oil saving method C:-Maximum piston size D:-Maximum operating pressure Ans: D
11:-Which is the important factor to determine the construction of fixture? A:-Location and clamping B:-Machining method C:-Too| guiding and framing D:-Size of work piece and tool Ans: B
12:-The following extinguisher is suitable for cotton or other textile fire A:-Water B:-Foam C:-Soda Acid D:-Dry Chemical Ans: A
13:-Which one of the following tests is carried out after overhauling and reconditioning of Machines? A:-Periodic acceptance test B:-Geometrica| test only C:-Performance test one D:-None of the above Ans: A
14:-Name the rivet head used for heavy fabrication work is .....? A:-F|at head B:-Pan head C:-Snap head D:-Mushroom Ans: B
15:-Which is the least efficient but most common type of chain hoist available? A:-Screw geared hoist B:-Spur geared hoist C:-Differentia| hoist D:-Come along chain hoist Ans: C
16:-What is the cause of water dripping from the tap even after closed? A:-Defective washer B:-Spind|e thread wornout C:-Bend spindle D:-Loose valve Ans: A 17:-Which metal alloys is used to make bearing? A:-Tin B:-Nicke| C:-Chromium D:-Babbit Metal Ans: D
18:-Which metal used to make alligator type fastener? A:-G.I. sheet B:-Copper sheet C:-Stee| sheet D:-A|uminium sheet Ans: C
19:-Why the small steel wedge is tapped under the machine in lifting operation? A:-To prevent vibration B:-To reduce the weight C:-To accept the crowbar D:-To balance the machine Ans: C
20:-Which type of coupling can bring the shaft ends into perfect alignment? A:-P|ate coupling B:-C|amp coupling C:-Safety coupling D:-Universa| coupling Ans: A
21:-Which among the following material can be cut with a RASP cut file? A:-Copper and Tin B:-Brass and Bronze C:-Leather and Wood D:-Stee| Ans: C
22:-Which among the following types of chisel used to cutting curved grooves? A:-F|at Chisel B:-Diamond Chisel C:-Cross cut Chisel D:-Ha|f round nose Chisel Ans: B
23:-An oily floor should be cleaned by .....? A:-Cotton waste B:-Putting water C:-putting saw dust or sand D:-Spraying carbon dioxide Ans: C
24:-Which one of the thread forms has an included angle of 29 Deg. between the sides of the thread?
A:-Gritish association thread B:-Knuckle thread C:-Buttress thread D:-ACME thread
Ans: D
25:-Specia| purpose material handling equipment are used in?
A:-Purpose Layout B:-Line Layout C:-Both A and B D:-None of the above Ans: B
26:-A hole, which is not made through full depth of the component is known as .....?
A:-Core Hole B:-Bore Hole C:-Pin Hole D:-B|ind Hole Ans: D
27:-Which among the following is an artificial abrasive? A:-A|uminium oxide B:-Emery C:-Diamond D:-Corundum Ans: A
28:-A grinding wheel is marked: 51 A 46 L 5 V-23. Here what does 5 denote? A:-Kind of bond B:-structure C:-Kind of abrasive D:-Grain size
Ans: B
29:-Which type of key is used for coupling a pully with a shaft? A:-Taper Key B:-Woodruff Key C:-GIB head Key D:-F|at Saddle Key Ans: C
30:-For riveting aluminium sheets, the material of rivet should be used .....? A:-A|uminium B:-Copper C:-Brass D:-Wrought Iron Ans: A
31:-Which among the following nuts is used for hand vice? A:-Check Nut B:-Wing Nut C:-Thumb Nut D:-Hexagona| Nut Ans: B
32:-Which one of the following is a chemical property of metals? A:-Corrosion B:-Conductivity C:-Hardness D:-E|asticity Ans: A
33:-Liquid carburizing is done in a heated salt bath. Which one of the following is not a carburizing salt? A:-Sodium Carbonate B:-Barium Chloride C:-Sodium Cyanide D:-Sodium Sulphate Ans: D
34:-The belt movement upon the outer surface of the Pulleys within the area of contact is known as .....? A:-S|ipping B:-Creeping C:-Dressing D:-Crowning Ans: B
35:-Which one of the following is designed for taking an Axial Thrust Load as well as Radial Load? A:-Thrust Bearing B:-Need|e Bearing C:-Angu|ar contact Ball Bearing D:-Ro||er Bearing Ans: C
36:-..... are used for rotating shafts between centres? A:-Mandre| B:-Chuck C:-Face Plate D:-Driving Plate Ans: D
37:-A Collate Chuck is meant for the Gripping of? A:-Heavy job B:-Sma|| jobs C:-Large dia jobs D:-Sma|| dia jobs Ans: B
38:-The measured size of dimension of a component is called? A:-Basic size B:-Nomina| size C:-A||owed size
D:-Actua| size Ans: D
39:-Ratchet stop in the micrometer help to .....? A:-Lock the spindle B:-Contro| the pressure C:-adjust zero error D:-Ho|d the jobs Ans: B
40:-A file used for filing narrow slots notches and grooves is a .....? A:-Knife edge file B:-Ha|f round file C:-F|at file D:-Mi|| file Ans: A
41:-Leve|ing bolts are used for .....? A:-Supporting the load for machine B:-Rigidity of machine C:-Adjusting the height of machine D:-None of these Ans: C
42:-The sensitivity of precision spirit level is? A:-0.02 to 0.05/ 100 mm B:-0.02 to 0.05 / 1000 mm C:-0.02 to 0.05 / 200 mm D:-0.02 to 0.05 / 500 mm Ans: B
43:-97:-Which of the following is not a part of a taper turning attachment? A:-Guide Block B:-S|iding Block C:-Guide Bar
D:-Carrier Ans: D
44:-Cast iron is used for manufacturing machine beds because? A:-It can resist more compressive stress B:-|t is heavy in weight C:-It is a cheaper metal D:-|t is a brittle metal Ans: A
45:-Desirable hardness in a file is generally? A:-30 HRC B:-45 HRC C:-60 HRC D:-80 HRC Ans: C
46:-Carbide tipped tool used for turning hard material is provided? A:-Side rack angle B:-Zero rack angle C:-Positive rack angle D:-Negative Rack angle Ans: D
47:-The plug gauge with go and nogo ends on the same side of the gauge is .....? A:-Doub|e ended plug gauge B:-Progressive plug gauge C:-Adjustable plug gauge D:-Fixed type plug gauge Ans: B
48:-Extension rods of inside micrometer are made of? A:-Stee| with 800 H.V B:-|n side micrometer
C:-Depth Gauge D:-Tube Micrometer Ans: A
49:-Bending of a rope is known as? A:-Round Turn B:-Bight C:-Loop D:-Knot Ans: D
50:-Doub|e helical gear are called? A:-Herring Bone Gear B:-Spur Gear C:-Beve| Gear D:-Worm Gear Ans: A
51:-Tap washers are used for? A:-Preventing vibration B:-Locking the Nuts C:-Se|f Locking D:-None of these Ans: B
52:-The best example for Gravity Feed Lubrication is? A:-Ring Lubricator B:-Wick Feed Lubricator C:-Grease Gun D:-Pump Lubricator Ans: A
53:-The machine element which control the sequence of operation in Auto Turret Lathe is? A:-Cam B:-Gears C:-Be|t and Pulley D:-Screw Rod Ans: A
54:-Main alloying element in high speed steel is? A:-Chromium B:-Vanadium C:-Tungsten D:-Nick|e Ans: C
55:-Lathe mandrels can be termed as a? A:-Jig B:-Fixture C:-Gauge D:-Temp|ate Ans: B
56:-Which one of the following bearing is used for talking Heavy Axial Load? A:-Trust Bearing B:-So|id Bearing C:-Journa| Bearing D:-Tapered Roller Bearing Ans: D
57:-Which of the following Pulley is used for obtaining different speed ratio of? A:-Jocket Pulley B:-So|id Pulley C:-Sp|it Pulley D:-Stepped Pulley Ans: D
58:-Hooks Law is associated with?
A:-Pressure B:-Therma| Expansion C:-Stress D:-Force
Ans: A
59:-Which one of the following key may be screwed to the shaft? A:-Sadd|e B:-Woodruff C:-Taper D:-Feather Ans: D 60:-The shaft ends are entre drilled for? A:-Supporting jobs between centres B:-Lubricating the dead centre C:-Reducing the weight D:-Assisting counter boring Ans: A
61:-Tap washers are used for .....? A:-Preventing vibration B:-Locking the nuts C:-Se|f locking D:-Fastening structural fabrication work Ans: B
62:-The least count of a vernier metric micrometer is A:-0.1 mm B:-0.01 mm C:-0.001 mm D:-0.0001 mm Ans: C
63:-A chemical compound of carbon with iron is called? A:-Ferrite B:-Pear|ite C:-Cementite D:-Austenite Ans: C
64:-Be|l metal is an alloy of A:-Lead and Tin B:-Copper and Tin C:-Copper and Aluminium D:-Copper and Nickle Ans: B
65:-Which taper on diameter is always 1:20? A:-Metric Taper B:-Mirse Taper C:-Brown and sharp Taper D:-Pin Taper Ans: A
66:-As per Indian standard the radius of Fillet Gauge are available in size range of? A:-0.6 to 25 mm B:-1 mm to 8 mm C:-5 mm to 20 mm D:-10 mm to 25 mm
Ans: A
67:-|n which of the following punch is used for marking witness mark?
A:-Prick Punch 30 Deg. B:-Dot Punch 60 Deg. C:-Centre Punch D:-Be|| Punch Ans: B 68:-One yard is equal to .....?
A:-32 Inch B:-35 Inch C:-40 Inch D:-36 Inch Ans: D
69:-The principle of the sine bar is based on the .....? A:-A|gebraic function B:-Cosine principle function C:-Ana|ytica| geometric function D:-Trigonometric function Ans: D
70:-The fly press, pen cap have .....? A:-Sing|e start thread B:-Mu|ti start thread C:-Doub|e start thread D:-Both A & C Ans: B
71:-The process of embedding the abrasive grains on lapping is called .....? A:-Rubbing B:-Lapping C:-Fixing D:-Charging Ans: D
72:-At gas welding, the angle of the nozzle holding welding line is .....? A:-60 to 70 Degree B:-80 to 90 Degree C:-85 to 95 Degree D:-40 to 60 Degree Ans: A
73:-The chief alloying elements of carbide tool is.....? A:-Carbon and Iron B:-Carbon and Molybdenum Iron C:-Carbon and Vanadium D:-Carbon and Tungsten Ans: D
74:-The type ofJig used for location from a bore is the .....? A:-So|id Jig B:-Dri| Jig C:-BoxJig D:-PostJig Ans: D
75:-The percentage of carbon content in cast iron is .....? A:-4% to 6% B:-3% to 5% C:-2% to 4% D:-1% to 3% Ans: C
76:-The melting point of cadmium is ..... ? A:-320 degree B:-2620 Degree C:-3380 Degree D:-1495 degree Ans: A
77:-|n which of the following friction is rather low? A:-So|id Friction B:-Ro||ing Friction C:-Liquid Friction D:-Gas Friction Ans: D
78:-The cutting angle of half round scraper is between .....? A:-60 Degree to 80 Degree B:-45 Degree to 65 Degree C:-65 Degree to 75 Degree D:-45 Degree to 68 Degree Ans: B
79:-|n which of the following Anode materials are insoluble? A:-Nicke| B:-Chromium C:-Copper D:-Zinc Ans: B
80:-Which flame does not have bad effect on metals / weld? A:-Neutra| flame B:-Oxdizing flame C:-Carburing flame D:-None Ans: A
81:-A depression formed at the end of the weld is called? A:-Pineho|e B:-B|owho|e C:-Crater D:-Crack Ans: C
82:-|f the bearing is fitted too tight the internal radial clearance will be .....?
A:-Increased B:-Reduced C:-Same D:-None of the above Ans: B
83:-Wrought Iron is made from
A:-B|ast Furnace B:-Crucib|e Furnace C:-Pudd|ing Furnace D:-Open Hearth Furnace Ans: C
84:-The temperature at which the structure of steel completely changes to Austenite is called? A:-Lower critical temperature B:-Upper critical temperature C:-Preheat D:-Soaking time Ans: B
85:-Which one of the following is used for gas carburizing? A:-Acety|ene B:-Hydrogen C:-Methane D:-Oxygen Ans: C
86:-Ba|| bearing are most widely used to all the bearings the width of the ball bearing is
A:-Equa| to bore diameter
B:-Greater than bore diameter
C:-Sma||er than bore diameter
D:-Equa| or greater than bore diameter Ans: C
87:-The swage block is made of?
A:-Ma||eab|e castiron B:-A|uminium C:-Cast Steel D:-Stee|
Ans: A
88:-|n the pipe assembly the hemp packing is used?
A:-For easy engagement B:-To fill the gap between threads C:-To avoid leakage D:-To get tight fitting Ans: C
89:-The circlip is the example for in which following type spring?
A:-He|ica| spring B:-Wire spring C:-Leaf spring D:-Coi| spring Ans: C
90:-Approximate hardness of HSS Milling?
A:-45 HRC B:-52 HRC C:-62 HRC D:-75 HRC Ans: C
91:-Which taper is used on spindle nose of the lathe head stock?
A:-Jarno taper B:-Brown share taper C:-Pin Taper D:-Morse Taper Ans: D
92:-When the threading tool reaches the end of the thread the tool should be?
A:-Left in groove and reverse the workpiece.
B:-Withdrawn after stopping the machine
C:-Withdrawn while the tool is taking cut
D:-Withdrawn after removing the workpiece
Ans: C
52:-The best example for Gravity Feed Lubrication is? A:-Ring Lubricator B:-Wick Feed Lubricator C:-Grease Gun D:-Pump Lubricator Ans: A
53:-The machine element which control the sequence of operation in Auto Turret Lathe is? A:-Cam B:-Gears C:-Be|t and Pulley D:-Screw Rod Ans: A
54:-Main alloying element in high speed steel is? A:-Chromium B:-Vanadium C:-Tungsten D:-Nick|e Ans: C
55:-Lathe mandrels can be termed as a? A:-Jig B:-Fixture C:-Gauge D:-Temp|ate Ans: B
56:-Which one of the following bearing is used for talking Heavy Axial Load? A:-Trust Bearing B:-So|id Bearing C:-Journa| Bearing D:-Tapered Roller Bearing Ans: D
57:-Which of the following Pulley is used for obtaining different speed ratio of? A:-Jocket Pulley B:-So|id Pulley C:-Sp|it Pulley D:-Stepped Pulley Ans: D
58:-Hooks Law is associated with?
A:-Pressure B:-Therma| Expansion C:-Stress D:-Force
Ans: A
59:-Which one of the following key may be screwed to the shaft? A:-Sadd|e B:-Woodruff C:-Taper D:-Feather Ans: D 60:-The shaft ends are entre drilled for? A:-Supporting jobs between centres B:-Lubricating the dead centre C:-Reducing the weight D:-Assisting counter boring Ans: A
61:-Tap washers are used for .....? A:-Preventing vibration B:-Locking the nuts C:-Se|f locking D:-Fastening structural fabrication work Ans: B
62:-The least count of a vernier metric micrometer is A:-0.1 mm B:-0.01 mm C:-0.001 mm D:-0.0001 mm Ans: C
63:-A chemical compound of carbon with iron is called? A:-Ferrite B:-Pear|ite C:-Cementite D:-Austenite Ans: C
64:-Be|l metal is an alloy of A:-Lead and Tin B:-Copper and Tin C:-Copper and Aluminium D:-Copper and Nickle Ans: B
65:-Which taper on diameter is always 1:20? A:-Metric Taper B:-Mirse Taper C:-Brown and sharp Taper D:-Pin Taper Ans: A
66:-As per Indian standard the radius of Fillet Gauge are available in size range of? A:-0.6 to 25 mm B:-1 mm to 8 mm C:-5 mm to 20 mm D:-10 mm to 25 mm
Ans: A
67:-|n which of the following punch is used for marking witness mark?
A:-Prick Punch 30 Deg. B:-Dot Punch 60 Deg. C:-Centre Punch D:-Be|| Punch Ans: B 68:-One yard is equal to .....?
A:-32 Inch B:-35 Inch C:-40 Inch D:-36 Inch Ans: D
69:-The principle of the sine bar is based on the .....? A:-A|gebraic function B:-Cosine principle function C:-Ana|ytica| geometric function D:-Trigonometric function Ans: D
70:-The fly press, pen cap have .....? A:-Sing|e start thread B:-Mu|ti start thread C:-Doub|e start thread D:-Both A & C Ans: B
71:-The process of embedding the abrasive grains on lapping is called .....? A:-Rubbing B:-Lapping C:-Fixing D:-Charging Ans: D
72:-At gas welding, the angle of the nozzle holding welding line is .....? A:-60 to 70 Degree B:-80 to 90 Degree C:-85 to 95 Degree D:-40 to 60 Degree Ans: A
73:-The chief alloying elements of carbide tool is.....? A:-Carbon and Iron B:-Carbon and Molybdenum Iron C:-Carbon and Vanadium D:-Carbon and Tungsten Ans: D
74:-The type ofJig used for location from a bore is the .....? A:-So|id Jig B:-Dri| Jig C:-BoxJig D:-PostJig Ans: D
75:-The percentage of carbon content in cast iron is .....? A:-4% to 6% B:-3% to 5% C:-2% to 4% D:-1% to 3% Ans: C
76:-The melting point of cadmium is ..... ? A:-320 degree B:-2620 Degree C:-3380 Degree D:-1495 degree Ans: A
77:-|n which of the following friction is rather low? A:-So|id Friction B:-Ro||ing Friction C:-Liquid Friction D:-Gas Friction Ans: D
78:-The cutting angle of half round scraper is between .....? A:-60 Degree to 80 Degree B:-45 Degree to 65 Degree C:-65 Degree to 75 Degree D:-45 Degree to 68 Degree Ans: B
79:-|n which of the following Anode materials are insoluble? A:-Nicke| B:-Chromium C:-Copper D:-Zinc Ans: B
80:-Which flame does not have bad effect on metals / weld? A:-Neutra| flame B:-Oxdizing flame C:-Carburing flame D:-None Ans: A
81:-A depression formed at the end of the weld is called? A:-Pineho|e B:-B|owho|e C:-Crater D:-Crack Ans: C
82:-|f the bearing is fitted too tight the internal radial clearance will be .....?
A:-Increased B:-Reduced C:-Same D:-None of the above Ans: B
83:-Wrought Iron is made from
A:-B|ast Furnace B:-Crucib|e Furnace C:-Pudd|ing Furnace D:-Open Hearth Furnace Ans: C
84:-The temperature at which the structure of steel completely changes to Austenite is called? A:-Lower critical temperature B:-Upper critical temperature C:-Preheat D:-Soaking time Ans: B
85:-Which one of the following is used for gas carburizing? A:-Acety|ene B:-Hydrogen C:-Methane D:-Oxygen Ans: C
86:-Ba|| bearing are most widely used to all the bearings the width of the ball bearing is
A:-Equa| to bore diameter
B:-Greater than bore diameter
C:-Sma||er than bore diameter
D:-Equa| or greater than bore diameter Ans: C
87:-The swage block is made of?
A:-Ma||eab|e castiron B:-A|uminium C:-Cast Steel D:-Stee|
Ans: A
88:-|n the pipe assembly the hemp packing is used?
A:-For easy engagement B:-To fill the gap between threads C:-To avoid leakage D:-To get tight fitting Ans: C
89:-The circlip is the example for in which following type spring?
A:-He|ica| spring B:-Wire spring C:-Leaf spring D:-Coi| spring Ans: C
90:-Approximate hardness of HSS Milling?
A:-45 HRC B:-52 HRC C:-62 HRC D:-75 HRC Ans: C
91:-Which taper is used on spindle nose of the lathe head stock?
A:-Jarno taper B:-Brown share taper C:-Pin Taper D:-Morse Taper Ans: D
92:-When the threading tool reaches the end of the thread the tool should be?
A:-Left in groove and reverse the workpiece.
B:-Withdrawn after stopping the machine
C:-Withdrawn while the tool is taking cut
D:-Withdrawn after removing the workpiece
Ans: C