Question 1

Which of the following is the most common bond used in grinding wheels?

Accepted Answer

A) Shellac bond 
B) Pakelite bond 
C) Parting off 
D) Rubber bond 
E) Vitrified bond 
A) Shellac bond 
B) Pakelite bond 
C) Parting off 
D) Rubber bond 
E) Vitrified bond

Question 2

Ionised material acts as transfer media in case of

Accepted Answer

A) Ion beam machining 
B) Plasma arc machining 
C) Electro discharge machining 
D) All of the above 
E) None of the above 
A) Ion beam machining 
B) Plasma arc machining 
C) Electro discharge machining 
D) All of the above 
E) None of the above

Question 3

Shearing strain in the chip at shear plane is

Accepted Answer

A) tan (? + ?) + cot ? 
B) tan (? - ?) - tan ? 
C) Infinite clearance 
D) tan (? - ?) + cot ? 
E) tan (? - ?) + tan ? 
A) tan (? + ?) + cot ? 
B) tan (? - ?) - tan ? 
C) Infinite clearance 
D) tan (? - ?) + cot ? 
E) tan (? - ?) + tan ?

Question 4

While using cemented carbide tipped tools on aluminium, the cutting speed could be

Accepted Answer

A) 100 - 300 m/min 
B) 1000 m/min 
C) 20 - 50 m/min 
D) 300 - 900 m/min 
E) 50 - 100 m/min 
A) 100 - 300 m/min 
B) 1000 m/min 
C) 20 - 50 m/min 
D) 300 - 900 m/min 
E) 50 - 100 m/min

Question 5

Undercutting is

Accepted Answer

A) An operation of cutting deep grooves 
B) None of above 
C) An operation of cutting a groove next to a shoulder on a piece of work 
D) An operation of cutting extra wide threads 
E) Cutting from the base of a work piece 
A) An operation of cutting deep grooves 
B) None of above 
C) An operation of cutting a groove next to a shoulder on a piece of work 
D) An operation of cutting extra wide threads 
E) Cutting from the base of a work piece

Question 6

Stub tooth are cut on gears

Accepted Answer

A) To improve transmission efficiency 
B) To reduce centre distance between shafts 
C) None of above 
D) To reduce frictional torque 
E) Subjected to shock and vibration 
A) To improve transmission efficiency 
B) To reduce centre distance between shafts 
C) None of above 
D) To reduce frictional torque 
E) Subjected to shock and vibration

Question 7

Scale sensitivity is defined as

Accepted Answer

A) Ratio of a change in scale reading to the corresponding change in pointer deflection 
B) Least reading of scale/range of scale 
C) Least reading of scale/unit measurable quantity 
D) Least count of scale/range of scale 
E) None of the above 
A) Ratio of a change in scale reading to the corresponding change in pointer deflection 
B) Least reading of scale/range of scale 
C) Least reading of scale/unit measurable quantity 
D) Least count of scale/range of scale 
E) None of the above

Question 8

A very soft whisper may have noise level of

Accepted Answer

A) About 100 db 
B) About 140 db 
C) About 30 db 
D) About 40 db 
E) About 10 db 
A) About 100 db 
B) About 140 db 
C) About 30 db 
D) About 40 db 
E) About 10 db

Question 9

In centreless grinding the work piece advances by

Accepted Answer

A) Force exerted by regulating wheel 
B) Remains stationalry 
C) Hydraulic force 
D) Force exerted by grinding wheel 
E) Push given by operator 
A) Force exerted by regulating wheel 
B) Remains stationalry 
C) Hydraulic force 
D) Force exerted by grinding wheel 
E) Push given by operator

Question 10

Precision is

Accepted Answer

A) The ability of a measuring device to detect small differences in a quantity being measured 
B) Agreement of the result of a measurement with the true value of the measured quantity 
C) The ability of an instrument to reproduce same reading under identical conditions 
D) The repeatability of a measurement process 
E) Error of judgment in reading on observation 
A) The ability of a measuring device to detect small differences in a quantity being measured 
B) Agreement of the result of a measurement with the true value of the measured quantity 
C) The ability of an instrument to reproduce same reading under identical conditions 
D) The repeatability of a measurement process 
E) Error of judgment in reading on observation

Which of the following is the most common bond used in grinding wheels?

Ionised material acts as transfer media in case of

Shearing strain in the chip at shear plane is

While using cemented carbide tipped tools on aluminium, the cutting speed could be

Undercutting is

Stub tooth are cut on gears

Scale sensitivity is defined as

A very soft whisper may have noise level of

In centreless grinding the work piece advances by

Precision is

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

Which of the following is the most common bond used in grinding wheels?

Ionised material acts as transfer media in case of

Shearing strain in the chip at shear plane is

While using cemented carbide tipped tools on aluminium, the cutting speed could be

Undercutting is

Stub tooth are cut on gears

Scale sensitivity is defined as

A very soft whisper may have noise level of

In centreless grinding the work piece advances by

Precision 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