In order to have interference fit, it is essential that the lower limit of the shaft should be

Question

In order to have interference fit, it is essential that the lower limit of the shaft should be

A. Greater than the upper limit of the hole

B. Lesser than the upper limit of the hole

C. Greater than the lower limit of the hole

D. Lesser than the lower limit of the hole

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The tailstock set over required to turn a taper on the entire length of a workpiece having diameters D and d is

A. (D - d)/2L

B. (D - d)/L

C. (D - d)/2

D. D - d

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The type of tool used on lathe, shaper and planer is

A. Single point cutting tool

B. Two point cutting tool

C. Three point cutting tool

D. Multipoint cutting tool

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Tool life is measured by the

A. Number of pieces machined between tool sharpenings

B. Time the tool is in contact with the job

C. Volume of material removed between tool sharpenings

D. All of the above

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An open structure of a grinding wheel is used for

A. Soft materials

B. Tough materials

C. Ductile materials

D. All of these

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A better machinable metal is one which gives

A. Lower chip-tool contact area and larger shear angle

B. Higher chip-tool contact area and smaller shear angle

C. Lower chip-tool contact area and smaller shear angle

D. Higher chip-tool contact area and larger shear angle

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A __________ grinding wheel is used to grind soft materials.

A. Course grained

B. Medium grained

C. Fine grained

D. None of these

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For fast removal of materials during grinding, a _________ grinding wheel is used.

A. Course grained

B. Fine grained

C. Medium grained

D. None of these

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It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?

A. Sensitive drilling machine

B. Radial drilling machine

C. Gang drilling machine

D. Multiple spindle drilling machine

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In drilling Bakelite and fibrous plastics, the point angle of a drill is

A. 90°

B. 118°

C. 135°

D. 150°

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The usual value of the helix angle of a drill is

A. 20°

B. 30°

C. 45°

D. 60°

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Jigs are used

A. For holding and guiding the tool in drilling, reaming or tapping operations

B. For holding the work in milling, grinding, planing or turning operations

C. To check the accuracy of workpiece

D. None of the above

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The maximum possible draft in cold rolling of sheet increases with the

A. Increase in coefficient of friction

B. Decrease in coefficient of friction

C. Decrease in roll radius

D. Decrease in roll velocity

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Which of the following arc welding processes does not use consumable electrodes?

A. GMAW

B. GTAW

C. Submerged Arc Welding

D. None of these

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The in-feed grinding is used to

A. Produce tapers

B. Grind shoulders and formed surfaces

C. Grind long, slender shafts or bars

D. All of these

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What is the name of the device used in arc welding circuits for the purpose of modifying the rate of current change when the weld road is varied rapidly?

A. Reactor

B. Kerf

C. Inductor

D. Cone

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In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called

A. Face

B. Fillet

C. Land

D. Lead

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The average cutting speed for turning mild steel with a high speed steel tool is

A. 15 to 19 m/min

B. 25 to 31 m/min

C. 60 to 90 m/min

D. 90 to 120 m/min

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The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty penetration or overheating at joints is called?

A. Distortion

B. Warping

C. Porous weld

D. Poor fusion

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The common welding error that occurs due to wrong speed, faulty preparation, and high / low current, improper electrode size is called?

A. Distortion

B. Warping

C. Porous weld

D. Poor fusion

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In the relation VTⁿ = C, the value of n for carbide tools is

A. 0.1 to 0.2

B. 0.20 to 0.25

C. 0.25 to 0.40

D. 0.40 to 0.55

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If a particular Fe-C alloy contains less than 0.83% carbon, it is called

A. High speed steel

B. Hypo eutectoid steel

C. Hyper eutectoid steel

D. Cast iron

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The cutting fluid mostly used for machining alloy steels is

A. Water

B. Soluble oil

C. Dry

D. Sulphurised mineral oil

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The structure of a grinding wheel depends upon

A. Hardness of the material being ground

B. Nature of the grinding operation

C. Finish required

D. All of these

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Which one among the following welding processes uses nonconsumable electrode?

A. Gas metal arc welding

B. Submerged arc welding

C. Gas tungsten arc welding

D. Flux coated arc welding

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A hole is of dimension φ = 9 ₊0⁺⁰⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰⁰¹⁰ mm. The resulting assembly has

A. Loose running fit

B. Close running fit

C. Transition fit

D. Interference fit

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When the cutting edge of the tool is dull, then during machining

A. Continuous chips are formed

B. Discontinuous chips are formed

C. Continuous chips with built-up edge are formed

D. No chips are formed

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As the cutting speed increases, the tool cutting forces

A. Remain constant

B. Increases

C. Decreases

D. First increases and then decreases

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When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining, the number of degrees of freedom that are restricted is

A. 7

B. 8

C. 9

D. 10

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Lathe bed is made of

A. Mild steel

B. Alloy steel

C. Pig iron

D. Chilled cast iron

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The lathe spindles at the nose end have

A. Internal screw threads

B. External screw threads

C. No threads

D. Tapered threads

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Accepted Answer

A. Greater than the upper limit of the hole

In order to have interference fit, it is essential that the lower limit of the shaft should be

Correct Answer :

Show all Manufacturing & Production Engineering MCQ

Related Questions

The tailstock set over required to turn a taper on the entire length of a workpiece having diameters D and d is

The type of tool used on lathe, shaper and planer is

Tool life is measured by the

An open structure of a grinding wheel is used for

A better machinable metal is one which gives

A __________ grinding wheel is used to grind soft materials.

For fast removal of materials during grinding, a _________ grinding wheel is used.

It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?

In drilling Bakelite and fibrous plastics, the point angle of a drill is

The usual value of the helix angle of a drill is

Jigs are used

The maximum possible draft in cold rolling of sheet increases with the

Which of the following arc welding processes does not use consumable electrodes?

The in-feed grinding is used to

What is the name of the device used in arc welding circuits for the purpose of modifying the rate of current change when the weld road is varied rapidly?

In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called

The average cutting speed for turning mild steel with a high speed steel tool is

The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty penetration or overheating at joints is called?

The common welding error that occurs due to wrong speed, faulty preparation, and high / low current, improper electrode size is called?

In the relation VTⁿ = C, the value of n for carbide tools is

If a particular Fe-C alloy contains less than 0.83% carbon, it is called

The cutting fluid mostly used for machining alloy steels is

The structure of a grinding wheel depends upon

Which one among the following welding processes uses nonconsumable electrode?

A hole is of dimension φ = 9 ₊0⁺⁰⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰⁰¹⁰ mm. The resulting assembly has

When the cutting edge of the tool is dull, then during machining

As the cutting speed increases, the tool cutting forces

When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining, the number of degrees of freedom that are restricted is

Lathe bed is made of

The lathe spindles at the nose end have

Also checkout

In order to have interference fit, it is essential that the lower limit of the shaft should be

Correct Answer :

Show all Manufacturing & Production Engineering MCQ

Related Questions

The tailstock set over required to turn a taper on the entire length of a workpiece having diameters D and d is

The type of tool used on lathe, shaper and planer is

Tool life is measured by the

An open structure of a grinding wheel is used for

A better machinable metal is one which gives

A __________ grinding wheel is used to grind soft materials.

For fast removal of materials during grinding, a _________ grinding wheel is used.

It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?

In drilling Bakelite and fibrous plastics, the point angle of a drill is

The usual value of the helix angle of a drill is

Jigs are used

The maximum possible draft in cold rolling of sheet increases with the

Which of the following arc welding processes does not use consumable electrodes?

The in-feed grinding is used to

What is the name of the device used in arc welding circuits for the purpose of modifying the rate of current change when the weld road is varied rapidly?

In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called

The average cutting speed for turning mild steel with a high speed steel tool is

The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty penetration or overheating at joints is called?

The common welding error that occurs due to wrong speed, faulty preparation, and high / low current, improper electrode size is called?

In the relation VTn = C, the value of n for carbide tools is

If a particular Fe-C alloy contains less than 0.83% carbon, it is called

The cutting fluid mostly used for machining alloy steels is

The structure of a grinding wheel depends upon

Which one among the following welding processes uses nonconsumable electrode?

A hole is of dimension φ = 9 ₊0⁺⁰⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰⁰¹⁰ mm. The resulting assembly has

When the cutting edge of the tool is dull, then during machining

As the cutting speed increases, the tool cutting forces

When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining, the number of degrees of freedom that are restricted is

Lathe bed is made of

The lathe spindles at the nose end have

Also checkout

In the relation VTⁿ = C, the value of n for carbide tools is