Question 1

The percentage of carbon that must be present in steel before it can be hardened noticeably is

Accepted Answer

A) 0.20 percent 
B) 0.30 percent 
C) 0.70 percent 
D) 0.10 percent 
E) 0.05 percent 
A) 0.20 percent 
B) 0.30 percent 
C) 0.70 percent 
D) 0.10 percent 
E) 0.05 percent

Question 2

While machining copper alloys with HSS tools, the cutting speed is

Accepted Answer

A) 100 to 150 m/min 
B) 50 to 100 m/min 
C) 200 to 300 m/min 
D) Parting off 
E) 20 to 30 m/min 
A) 100 to 150 m/min 
B) 50 to 100 m/min 
C) 200 to 300 m/min 
D) Parting off 
E) 20 to 30 m/min

Question 3

The cutting edges of a twist drill are known as

Accepted Answer

A) Flanks 
B) Wedges 
C) Flutes 
D) Lips 
E) None of the above 
A) Flanks 
B) Wedges 
C) Flutes 
D) Lips 
E) None of the above

Question 4

Helical grooves are provided on a drill bit

Accepted Answer

A) To provide long cutting edge 
B) To guide the cutting top 
C) To reduce the cost of the drill bit 
D) To provide a passage for the coolant 
E) To remove chips 
A) To provide long cutting edge 
B) To guide the cutting top 
C) To reduce the cost of the drill bit 
D) To provide a passage for the coolant 
E) To remove chips

Question 5

Which of the folliwjng is not an abrading process?

Accepted Answer

A) Grinding 
B) Lapping 
C) Tumbling 
D) Honing 
E) Parting off 
A) Grinding 
B) Lapping 
C) Tumbling 
D) Honing 
E) Parting off

Question 6

Which of the following drilling machine is used for mass production?

Accepted Answer

A) Radial drilling machine 
B) Gang drilling machine 
C) Parting off 
D) Pistol drilling machine 
E) Bench drilling machine 
A) Radial drilling machine 
B) Gang drilling machine 
C) Parting off 
D) Pistol drilling machine 
E) Bench drilling machine

Question 7

In Rockwell hardness test the hardness is measured by

Accepted Answer

A) The width of depression 
B) The depth of depression. 
C) Diameter of depression 
D) None of the above 
E) None of the above. 
A) The width of depression 
B) The depth of depression. 
C) Diameter of depression 
D) None of the above 
E) None of the above.

Question 8

Spindle speed in a lathe for turning a 40 cm dia rod at a cutting speed of 30 m/min would be

Accepted Answer

A) 100 rpm 
B) 336 rpm 
C) 238 rpm 
D) 468 rpm 
E) 206 rpm 
A) 100 rpm 
B) 336 rpm 
C) 238 rpm 
D) 468 rpm 
E) 206 rpm

Question 9

Hacksaw used for cutting steel, cast iron, aluminium etc, has the following number of teeth per centimeter

Accepted Answer

A) Parting off 
B) 12 
C) 7 
D) 10 
A) Parting off 
B) 12 
C) 7 
D) 10

Question 10

Chromatography is

Accepted Answer

A) The method of determining alloying elements in steels 
B) The method of analysis of flame types 
C) The method of determination of smoke density of exhaust gases 
D) The method of determining each constituent in a complex vapour or gas mixture 
E) The method of analysis of flame colours for temperature determination 
A) The method of determining alloying elements in steels 
B) The method of analysis of flame types 
C) The method of determination of smoke density of exhaust gases 
D) The method of determining each constituent in a complex vapour or gas mixture 
E) The method of analysis of flame colours for temperature determination

Question 11

The shape of chips during broaching operation is

Accepted Answer

A) Short helical 
B) Continuous 
C) Small fragments 
D) Long-helical 
E) Closed spirals 
A) Short helical 
B) Continuous 
C) Small fragments 
D) Long-helical 
E) Closed spirals

Question 12

The advantage of laser beam machining is

Accepted Answer

A) High production rates 
B) Minimum heat affected zone 
C) Dissimilar metals can be welded 
D) Precise operation 
E) All of the above 
A) High production rates 
B) Minimum heat affected zone 
C) Dissimilar metals can be welded 
D) Precise operation 
E) All of the above

Question 13

Depth of cut is normally

Accepted Answer

A) Parting off 
B) more for roughing operation and less for finishing operation 
C) less for roughing operation and more for finishing operation 
D) same for roughing as well as finishing operations 
A) Parting off 
B) more for roughing operation and less for finishing operation 
C) less for roughing operation and more for finishing operation 
D) same for roughing as well as finishing operations

Question 14

Which one of the following is known as trarmel?

Accepted Answer

A) A pair of steel legs joined by a screw and nut 
B) A steel bar and two sliding legs which can be adjusted 
C) A divider with a spring 
D) None of the above 
E) Short rule 
A) A pair of steel legs joined by a screw and nut 
B) A steel bar and two sliding legs which can be adjusted 
C) A divider with a spring 
D) None of the above 
E) Short rule

Question 15

Austenitic stainless steel contain

Accepted Answer

A) at least 24 percent of combined chromium and nickel 
B) 4 to 6 percent of chromium 
C) chromium which is 17 times the percentage of carbon 
D) None of the above 
E) Parting off 
A) at least 24 percent of combined chromium and nickel 
B) 4 to 6 percent of chromium 
C) chromium which is 17 times the percentage of carbon 
D) None of the above 
E) Parting off

Question 16

Lead and sulphur when added to low carbon steel promote

Accepted Answer

A) chip breaking 
B) continuous chip formation 
C) continuous chip with built up edges 
D) None of the above 
E) Parting off 
A) chip breaking 
B) continuous chip formation 
C) continuous chip with built up edges 
D) None of the above 
E) Parting off

Question 17

The type of bearing to be selected for application where low torque, low coefficient of friction, non-magnetic properties and long life are required would be

Accepted Answer

A) Needle bearing 
B) Ball bearing 
C) Bush bearing 
D) Roller bearing 
E) Jewel bearing 
A) Needle bearing 
B) Ball bearing 
C) Bush bearing 
D) Roller bearing 
E) Jewel bearing

Question 18

In a sine bar the standard length is measured from

Accepted Answer

A) Edge to edge 
B) Between inner circumference of two buttons 
C) Between out circumference of two buttons 
D) Between the centers of two buttons 
E) Any of the above 
A) Edge to edge 
B) Between inner circumference of two buttons 
C) Between out circumference of two buttons 
D) Between the centers of two buttons 
E) Any of the above

Question 19

A master gauge is

Accepted Answer

A) Used by all mechanics 
B) A gauge used by experienced technician 
C) None of above 
D) Used by masters 
E) A standard gauge for checking accuracy of gauges used on shop floors 
A) Used by all mechanics 
B) A gauge used by experienced technician 
C) None of above 
D) Used by masters 
E) A standard gauge for checking accuracy of gauges used on shop floors

Question 20

Brown and sharpe taper is generally used in

Accepted Answer

A) Lathes 
B) Shapers 
C) Drills 
D) Milling machines 
E) Broaching machines 
A) Lathes 
B) Shapers 
C) Drills 
D) Milling machines 
E) Broaching machines

The percentage of carbon that must be present in steel before it can be hardened noticeably is

While machining copper alloys with HSS tools, the cutting speed is

The cutting edges of a twist drill are known as

Helical grooves are provided on a drill bit

Which of the folliwjng is not an abrading process?

Which of the following drilling machine is used for mass production?

In Rockwell hardness test the hardness is measured by

Spindle speed in a lathe for turning a 40 cm dia rod at a cutting speed of 30 m/min would be

Hacksaw used for cutting steel, cast iron, aluminium etc, has the following number of teeth per centimeter

Chromatography is

The shape of chips during broaching operation is

The advantage of laser beam machining is

Depth of cut is normally

Which one of the following is known as trarmel?

Austenitic stainless steel contain

Lead and sulphur when added to low carbon steel promote

The type of bearing to be selected for application where low torque, low coefficient of friction, non-magnetic properties and long life are required would be

In a sine bar the standard length is measured from

A master gauge is

Brown and sharpe taper is generally used in

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Exam 13: Techniques for Hardness Testing, Drilling, Machining, Welding, and Casting

The percentage of carbon that must be present in steel before it can be hardened noticeably is

While machining copper alloys with HSS tools, the cutting speed is

The cutting edges of a twist drill are known as

Helical grooves are provided on a drill bit

Which of the folliwjng is not an abrading process?

Which of the following drilling machine is used for mass production?

In Rockwell hardness test the hardness is measured by

Spindle speed in a lathe for turning a 40 cm dia rod at a cutting speed of 30 m/min would be

Hacksaw used for cutting steel, cast iron, aluminium etc, has the following number of teeth per centimeter

Chromatography is

The shape of chips during broaching operation is

The advantage of laser beam machining is

Depth of cut is normally

Which one of the following is known as trarmel?

Austenitic stainless steel contain

Lead and sulphur when added to low carbon steel promote

The type of bearing to be selected for application where low torque, low coefficient of friction, non-magnetic properties and long life are required would be

In a sine bar the standard length is measured from

A master gauge is

Brown and sharpe taper is generally used in

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

Machining Processes, Techniques and Tools

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