Question 1

The power consumption in ultrasonic machining in kW/m2/min is of the order of

Accepted Answer

A) 200 kW/m3/min 
B) 1000 kW/m3/min 
C) 1 kW/m3/min 
D) 10 kW/m3/min 
E) 100 kW/m3/min 
A) 200 kW/m3/min 
B) 1000 kW/m3/min 
C) 1 kW/m3/min 
D) 10 kW/m3/min 
E) 100 kW/m3/min

Question 2

Which of the following is a single point cutting tool?

Accepted Answer

A) Milling cutter 
B) File 
C) Grinding wheel 
D) Parting tool 
E) Hacksaw blade 
A) Milling cutter 
B) File 
C) Grinding wheel 
D) Parting tool 
E) Hacksaw blade

Question 3

Shell sands are coated with

Accepted Answer

A) molasses 
B) urea formaldehyde 
C) carbon disulphide 
D) Parting off 
E) silica grains 
A) molasses 
B) urea formaldehyde 
C) carbon disulphide 
D) Parting off 
E) silica grains

Question 4

In EDM the material of the tool is

Accepted Answer

A) Carbide 
B) Copper 
C) Satellite 
D) Diamond 
E) High speed steel 
A) Carbide 
B) Copper 
C) Satellite 
D) Diamond 
E) High speed steel

Question 5

Swell is a defect in castings due to

Accepted Answer

A) Enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting 
B) Working on cooling 
C) Moisture in moulding sand 
D) Thin projection of casting due to gap between flasks 
E) Mis-mathcing of mould at the parting line 
A) Enlargement of the mould cavity by metal pressure causing partial or overall enlargement of the casting 
B) Working on cooling 
C) Moisture in moulding sand 
D) Thin projection of casting due to gap between flasks 
E) Mis-mathcing of mould at the parting line

Question 6

Which of the following machine is likely to be extensively used in a workshop manufacturing wire nails?

Accepted Answer

A) Lathe 
B) Broaching machine 
C) Drilling machine 
D) Power press 
E) Cold heading machine 
A) Lathe 
B) Broaching machine 
C) Drilling machine 
D) Power press 
E) Cold heading machine

Question 7

A chisel is used for

Accepted Answer

A) Cutting the wood 
B) Planing the wood 
C) Making holes in the wood 
D) None of the above 
E) Parting off 
A) Cutting the wood 
B) Planing the wood 
C) Making holes in the wood 
D) None of the above 
E) Parting off

Question 8

For welding of non-ferrous materials which of the following is preferred?

Accepted Answer

A) Microwave frequency voltage 
B) Low frequency ac 
C) High frequency ac 
D) Direct current 
E) Induction heating 
A) Microwave frequency voltage 
B) Low frequency ac 
C) High frequency ac 
D) Direct current 
E) Induction heating

Question 9

The Roman notation DCCCC represents

Accepted Answer

A) 900 
B) 440 
C) 340 
D) 90 
E) 140 
A) 900 
B) 440 
C) 340 
D) 90 
E) 140

Question 10

The minimum section thickness for cast iron castings is

Accepted Answer

A) 10 mm 
B) Parting off 
C) 3 mm 
D) 1 mm 
E) 6 mm 
A) 10 mm 
B) Parting off 
C) 3 mm 
D) 1 mm 
E) 6 mm

Question 11

Refractory metals are

Accepted Answer

A) Those which can be cast in the form of bricks 
B) Those which reflect heat 
C) Those which have melting point above 1950°C 
D) Those which absorb heat 
E) Those do not malt in a normal furnace 
A) Those which can be cast in the form of bricks 
B) Those which reflect heat 
C) Those which have melting point above 1950°C 
D) Those which absorb heat 
E) Those do not malt in a normal furnace

Question 12

When large number of components are turned and parted off from a bar, the chuck used is

Accepted Answer

A) Magnetic chuck 
B) Four jaw chuck 
C) Collet chuck 
D) Face place 
E) Three jaw chuck 
A) Magnetic chuck 
B) Four jaw chuck 
C) Collet chuck 
D) Face place 
E) Three jaw chuck

Question 13

As far as machinability is concerned, which of the following will be considered to be most inferior alloy?

Accepted Answer

A) Malleable cast iron 
B) Parting off 
C) Monel metal 
D) Gun metal 
E) Bearing bronze 
A) Malleable cast iron 
B) Parting off 
C) Monel metal 
D) Gun metal 
E) Bearing bronze

Question 14

Profile of a gear tooth is to be checked. Which one of the following device would you choose?

Accepted Answer

A) Sine bear 
B) Optical projector 
C) Optical pyrometer 
D) Bench micrometer 
E) Telescopic gauge 
A) Sine bear 
B) Optical projector 
C) Optical pyrometer 
D) Bench micrometer 
E) Telescopic gauge

Question 15

In rubber bond for grinding wheels, sulphur is added to

Accepted Answer

A) Parting off 
B) act as vulcanising agent 
C) reduce shocks and vibrations 
D) make the bond flexible 
E) dissipate heat during grinding operation 
A) Parting off 
B) act as vulcanising agent 
C) reduce shocks and vibrations 
D) make the bond flexible 
E) dissipate heat during grinding operation

Question 16

Which of the following test can be used to detect surface cracks in the welding of non-magnetic alloys?

Accepted Answer

A) Fluorescent test 
B) Gamma ray test 
C) X-ray test 
D) Magnaflux test 
E) Any of the above 
A) Fluorescent test 
B) Gamma ray test 
C) X-ray test 
D) Magnaflux test 
E) Any of the above

Question 17

Which of the following process has the lowest rate of metal removal?

Accepted Answer

A) Electron beam machining 
B) Electro discharge machining 
C) Abrasive jet machining 
D) Electro chemical machining 
E) Chemical machining 
A) Electron beam machining 
B) Electro discharge machining 
C) Abrasive jet machining 
D) Electro chemical machining 
E) Chemical machining

Question 18

Kerosene is used as a cutting fluid while machining

Accepted Answer

A) Magnesium 
B) Low carbon steel 
C) Copper 
D) Brass 
E) Aluminium 
A) Magnesium 
B) Low carbon steel 
C) Copper 
D) Brass 
E) Aluminium

Question 19

The width of slot eut by a hack-saw blade is

Accepted Answer

A) None of these 
B) Less than the width of blade 
C) Slightly more than the width of blade 
D) Equal to the width of blade 
E) 1830 rpm 
A) None of these 
B) Less than the width of blade 
C) Slightly more than the width of blade 
D) Equal to the width of blade 
E) 1830 rpm

Question 20

Hardest abrasive is

Accepted Answer

A) Aluminium oxide 
B) Silicon carbide 
C) Boron carbide 
D) Diamond 
E) Tungsten oxide 
A) Aluminium oxide 
B) Silicon carbide 
C) Boron carbide 
D) Diamond 
E) Tungsten oxide

The power consumption in ultrasonic machining in kW/m²/min is of the order of

Which of the following is a single point cutting tool?

Shell sands are coated with

In EDM the material of the tool is

Swell is a defect in castings due to

Which of the following machine is likely to be extensively used in a workshop manufacturing wire nails?

A chisel is used for

For welding of non-ferrous materials which of the following is preferred?

The Roman notation DCCCC represents

The minimum section thickness for cast iron castings is

Refractory metals are

When large number of components are turned and parted off from a bar, the chuck used is

As far as machinability is concerned, which of the following will be considered to be most inferior alloy?

Profile of a gear tooth is to be checked. Which one of the following device would you choose?

In rubber bond for grinding wheels, sulphur is added to

Which of the following test can be used to detect surface cracks in the welding of non-magnetic alloys?

Which of the following process has the lowest rate of metal removal?

Kerosene is used as a cutting fluid while machining

The width of slot eut by a hack-saw blade is

Hardest abrasive is

Manufacturing Processes and Materials and Tools

Mechanical Engineering and Manufacturing Processes

Industrial Engineering and Manufacturing Processes and Materials

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

Machining Processes, Techniques and Tools

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Exam 4: Mechanical Engineering: Casting, Machining, and Welding

The power consumption in ultrasonic machining in kW/m2/min is of the order of

Which of the following is a single point cutting tool?

Shell sands are coated with

In EDM the material of the tool is

Swell is a defect in castings due to

Which of the following machine is likely to be extensively used in a workshop manufacturing wire nails?

A chisel is used for

For welding of non-ferrous materials which of the following is preferred?

The Roman notation DCCCC represents

The minimum section thickness for cast iron castings is

Refractory metals are

When large number of components are turned and parted off from a bar, the chuck used is

As far as machinability is concerned, which of the following will be considered to be most inferior alloy?

Profile of a gear tooth is to be checked. Which one of the following device would you choose?

In rubber bond for grinding wheels, sulphur is added to

Which of the following test can be used to detect surface cracks in the welding of non-magnetic alloys?

Which of the following process has the lowest rate of metal removal?

Kerosene is used as a cutting fluid while machining

The width of slot eut by a hack-saw blade is

Hardest abrasive is

Manufacturing Processes and Materials and Tools

Mechanical Engineering and Manufacturing Processes

Industrial Engineering and Manufacturing Processes and Materials

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

Machining Processes, Techniques and Tools

Filters

The power consumption in ultrasonic machining in kW/m²/min is of the order of