Question 1

The counteract the increased sulphur percentage

Accepted Answer

A) Carbon is added 
B) Manganese is added 
C) Phosphorous is added 
D) Oxidising agents are added 
E) None of the above 
A) Carbon is added 
B) Manganese is added 
C) Phosphorous is added 
D) Oxidising agents are added 
E) None of the above

Question 2

Which of the following is a multispot welding process?

Accepted Answer

A) Projection welding 
B) Percussion welding 
C) Atomic hydrogen welding 
D) Thermit welding 
E) Seam welding 
A) Projection welding 
B) Percussion welding 
C) Atomic hydrogen welding 
D) Thermit welding 
E) Seam welding

Question 3

Which of the following defect in castings may develop due to inadequate venting?

Accepted Answer

A) Misruns 
B) Blow holes 
C) Cold shuts 
D) Parting off 
E) Inclusions 
A) Misruns 
B) Blow holes 
C) Cold shuts 
D) Parting off 
E) Inclusions

Question 4

Bearing lining

Accepted Answer

A) Muntz metal 
B) Duralumin 
C) Babbit 
D) Bronze 
E) Delta metal 
A) Muntz metal 
B) Duralumin 
C) Babbit 
D) Bronze 
E) Delta metal

Question 5

C-14 steel indicates plain carbon steel containing carbon percentage

Accepted Answer

A) 14 
B) 1.4 
C) 0.14 
D) 0.1 to 0.8 
E) 1 to 1.8 
A) 14 
B) 1.4 
C) 0.14 
D) 0.1 to 0.8 
E) 1 to 1.8

Question 6

The power is transmitted by lead screw to the carriage through

Accepted Answer

A) Rack and pinion a arrangement 
B) Gear system 
C) Chain drive 
D) Pulley drive 
E) Half nut 
A) Rack and pinion a arrangement 
B) Gear system 
C) Chain drive 
D) Pulley drive 
E) Half nut

Question 7

Crossing in foundry practice is

Accepted Answer

A) A means for checking the strength of cores 
B) A defect in casting that can be removed by heating in a furnace and cooling at show rate. 
C) The process of addition of chemicals to the molten metal to improve its fluidity 
D) The process of formation of oxides on the surface of the molten metal 
E) The process of forcing metal uniformly into the mould 
A) A means for checking the strength of cores 
B) A defect in casting that can be removed by heating in a furnace and cooling at show rate. 
C) The process of addition of chemicals to the molten metal to improve its fluidity 
D) The process of formation of oxides on the surface of the molten metal 
E) The process of forcing metal uniformly into the mould

Question 8

An important factor to be taken into account while designing a core print is

Accepted Answer

A) Pouring temperature 
B) Buoyancy effect of molten material 
C) Type of mould 
D) Pattern material 
E) Moulding sand characteristics 
A) Pouring temperature 
B) Buoyancy effect of molten material 
C) Type of mould 
D) Pattern material 
E) Moulding sand characteristics

Question 9

The chips formed during the milling of aluminium are

Accepted Answer

A) closed spirals 
B) Parting off 
C) helical 
D) snarl 
E) fragments 
A) closed spirals 
B) Parting off 
C) helical 
D) snarl 
E) fragments

Question 10

The averge cutting speed for machining mild steel by high speed steel tool is

Accepted Answer

A) 30 m/min 
B) 50 m/min 
C) 20 m/min 
D) 10 m/min 
E) 40 m/min 
A) 30 m/min 
B) 50 m/min 
C) 20 m/min 
D) 10 m/min 
E) 40 m/min

Question 11

Choose the incorrect statement. Good machinability results in

Accepted Answer

A) Low components cost 
B) Moderate cuttng forces 
C) Smaller chips 
D) All of the above 
E) A process of removing carbon from metals 
A) Low components cost 
B) Moderate cuttng forces 
C) Smaller chips 
D) All of the above 
E) A process of removing carbon from metals

Question 12

The surface finish obtainable in ultrasonic machining is of the order of

Accepted Answer

A) 500 to 1000 
B) 0.2 to 0.5 
C) 200 to 500 
D) 20 to 50 
E) 2 to 5 
A) 500 to 1000 
B) 0.2 to 0.5 
C) 200 to 500 
D) 20 to 50 
E) 2 to 5

Question 13

A 20 mm diameter international metric thread will have a pitch of

Accepted Answer

A) 1.25 mm 
B) 1 mm 
C) 2.5 mm 
D) 1.50 mm 
E) 2.0 mm 
A) 1.25 mm 
B) 1 mm 
C) 2.5 mm 
D) 1.50 mm 
E) 2.0 mm

Question 14

Quill is

Accepted Answer

A) Curring a blind key way on an object 
B) A steel tube in the head of some machine tools that encloses the bearings and rotating spindle on which are mounted the cutting tools 
C) A tool used in milling machine to cut T-slots 
D) A holding device used on planers 
E) None of above 
A) Curring a blind key way on an object 
B) A steel tube in the head of some machine tools that encloses the bearings and rotating spindle on which are mounted the cutting tools 
C) A tool used in milling machine to cut T-slots 
D) A holding device used on planers 
E) None of above

Question 15

In order to lower the cutting forces and also to decrease the cutting wear, alloying element generally added to steel for free machining is

Accepted Answer

A) Lead 
B) Chromium 
C) Manganese 
D) Sulphur 
E) Aluminium 
A) Lead 
B) Chromium 
C) Manganese 
D) Sulphur 
E) Aluminium

Question 16

Which of the following welding process uses consumable electrodes

Accepted Answer

A) TIG welding 
B) MIG welding 
C) Thermit welding 
D) Gas welding 
E) Laser welding 
A) TIG welding 
B) MIG welding 
C) Thermit welding 
D) Gas welding 
E) Laser welding

Question 17

Hobbing process cannot be used to cut

Accepted Answer

A) Spur gears 
B) Helical gears 
C) Worm gears 
D) Bevel gears 
E) All of the above 
A) Spur gears 
B) Helical gears 
C) Worm gears 
D) Bevel gears 
E) All of the above

Question 18

A drill will not cut when

Accepted Answer

A) helix pitch is small 
B) lip angle is zero 
C) point angle is 118° 
D) helix pitch is large 
E) Parting off 
A) helix pitch is small 
B) lip angle is zero 
C) point angle is 118° 
D) helix pitch is large 
E) Parting off

Question 19

In case of cast iron castings, the shrinkage allowance is

Accepted Answer

A) 7-10 mm/M 
B) 0.1-0.01 mm/M 
C) 1-0.1 mm/M 
D) 50-75 mm/M 
E) 75-100 mm/M 
A) 7-10 mm/M 
B) 0.1-0.01 mm/M 
C) 1-0.1 mm/M 
D) 50-75 mm/M 
E) 75-100 mm/M

Question 20

In a turret lathe a pre-selector is a device

Accepted Answer

A) That is used to decide the operation to be done on a job prior to a specific operation 
B) Used for feeding bar to chuck 
C) None of above 
D) That is used to pre-select the spindle speed for the next operation in progress 
E) That is used to select in the job prior to loading 
A) That is used to decide the operation to be done on a job prior to a specific operation 
B) Used for feeding bar to chuck 
C) None of above 
D) That is used to pre-select the spindle speed for the next operation in progress 
E) That is used to select in the job prior to loading

The counteract the increased sulphur percentage

Which of the following is a multispot welding process?

Which of the following defect in castings may develop due to inadequate venting?

Bearing lining

C-14 steel indicates plain carbon steel containing carbon percentage

The power is transmitted by lead screw to the carriage through

Crossing in foundry practice is

An important factor to be taken into account while designing a core print is

The chips formed during the milling of aluminium are

The averge cutting speed for machining mild steel by high speed steel tool is

Choose the incorrect statement. Good machinability results in

The surface finish obtainable in ultrasonic machining is of the order of

A 20 mm diameter international metric thread will have a pitch of

Quill is

In order to lower the cutting forces and also to decrease the cutting wear, alloying element generally added to steel for free machining is

Which of the following welding process uses consumable electrodes

Hobbing process cannot be used to cut

A drill will not cut when

In case of cast iron castings, the shrinkage allowance is

In a turret lathe a pre-selector is a device

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Exam 14: Machining Processes, Techniques and Tools

The counteract the increased sulphur percentage

Which of the following is a multispot welding process?

Which of the following defect in castings may develop due to inadequate venting?

Bearing lining

C-14 steel indicates plain carbon steel containing carbon percentage

The power is transmitted by lead screw to the carriage through

Crossing in foundry practice is

An important factor to be taken into account while designing a core print is

The chips formed during the milling of aluminium are

The averge cutting speed for machining mild steel by high speed steel tool is

Choose the incorrect statement. Good machinability results in

The surface finish obtainable in ultrasonic machining is of the order of

A 20 mm diameter international metric thread will have a pitch of

Quill is

In order to lower the cutting forces and also to decrease the cutting wear, alloying element generally added to steel for free machining is

Which of the following welding process uses consumable electrodes

Hobbing process cannot be used to cut

A drill will not cut when

In case of cast iron castings, the shrinkage allowance is

In a turret lathe a pre-selector is a device

Manufacturing Processes and Materials and Tools

Mechanical Engineering and Manufacturing Processes

Industrial Engineering and Manufacturing Processes and Materials

Mechanical Engineering: Casting, Machining, and Welding

Mechanical Engineering Processes and Concepts

Manufacturing and Welding Processes

Manufacturing and Machining Techniques

Mechanical Engineering: Foundry, Machining, and Materials

Metal Cleaning, Abrasives, and Machining Techniques

Manufacturing and Materials Engineering

Technical Manufacturing and Engineering

Manufacturing Processes: Wood Moisture, Alloyed Cast Iron, Cutting Tools, Welding

Techniques for Hardness Testing, Drilling, Machining, Welding, and Casting

Filters