In ultrasonic machining, the metal is removed by

Question

In ultrasonic machining, the metal is removed by

A. Using abrasive slurry between the tool and work

B. Direct contact of tool with the work

C. Maintaining an electrolyte between the work and tool in a very small gap between the two

D. Erosion caused by rapidly recurring spark discharges between the tool and work

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For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is

A. 5 m/min

B. 10 m/min

C. 15 m/min

D. 30 m/min

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What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?

A. Argon H₂

B. Argon CO₂

C. Argon Helium

D. Helium

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The process of improving the cutting action of the grinding wheel is called

A. Truing

B. Dressing

C. Facing

D. Clearing

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The width of cutting edge of a parting off tool varies from

A. 3 to 12 mm

B. 5 to 20 mm

C. 8 to 30 mm

D. 15 to 40 mm

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The rear teeth of a broach

A. Perform burnishing operation

B. Remove minimum metal

C. Remove maximum metal

D. Remove no metal

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In a shaper

A. Tool is stationary and work reciprocates

B. Work is stationary and tool reciprocates

C. Tool moves over stationary work

D. Tool moves over reciprocating work

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Continuous chips with built up edge are formed during machining of

A. Brittle metals

B. Ductile metals

C. Hard metals

D. Soft metals

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A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

A. 120

B. 170

C. 180

D. 240

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Carbide tipped tools usually have

A. Negative rake angle

B. Positive rake angle

C. Any rake angle

D. No rake angle

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A grinding wheel is said to be of _________ if the abrasive grains can be easily dislodged.

A. Soft grade

B. Medium grade

C. Hard grade

D. None of these

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The lathe spindles are usually made hollow and provided with

A. Internal taper

B. External taper

C. Internal and external taper

D. No taper

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Discontinuous chips are formed during machining of

A. Brittle metals

B. Ductile metals

C. Hard metals

D. Soft metals

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If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is

A. Conical locator

B. Cylindrical locator

C. Diamond pin locator

D. Vee locator

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The rake angle of a single point cutting tool corresponds to _________ of a twist drill.

A. Lip clearance angle

B. Helix angle

C. Point angle

D. Chisel edge angle

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The cutting speed for drilling copper with high speed steel drills varies from

A. 10 to 20 m/min

B. 18 to 30 m/min

C. 24 to 45 m/min

D. 60 to 90 m/min

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Cast iron during machining produces

A. Continuous chips

B. Discontinuous chips

C. Continuous chips with built-up edge

D. None of these

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In oblique cutting of metals, the cutting edge of the tool is

A. Perpendicular to the workpiece

B. Perpendicular to the direction of tool travel

C. Parallel to the direction of tool travel

D. Inclined at an angle less than 90° to the direction of tool travel

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Crater wear is predominant in

A. Carbon tool steels

B. Tungsten carbide tools

C. High speed steel tools

D. Ceramic tools

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The shear velocity is the velocity of

A. Tool relative to the workpiece

B. Chip relative to the tool

C. Tool along the tool face

D. None of these

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In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used is called.

A. Grinding

B. Lapping

C. Honing

D. Buffing

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Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer using the given codes.
List-I (Equipment) List-II (Process)
P. Hot Chamber Machine 1. Cleaning
Q. Muller 2. Core making
R. Dielectric Baker 3. Die casting
S. Sand Blaster 4. Annealing
. 5. Sand mixing

A. P-2, Q-1, R-4, S-5

B. P-4, Q-2, R-3, S-5

C. P-4, Q-5, R-1, S-2

D. P-3, Q-5, R-2, S-1

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The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)

A. VⁿT = C

B. VTⁿ = C

C. Vⁿ/T = C

D. V/Tⁿ = C

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In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate

A. Increases continuously

B. Decreases continuously

C. Decreases, becomes stable and then increases.

D. Increases, becomes stable and then decreases.

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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 saw milling is an operation of

A. Producing grooves around the periphery of a cylindrical or conical workpiece

B. Producing narrow slots or grooves on a workpiece

C. Reproduction of an outline of a template on a workpiece

D. Machining several surfaces of a workpiece simultaneously

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For turning small taper on long workpiece, the suitable method is

A. By a form tool

B. By setting over the tail stock

C. By a taper turning attachment

D. By swivelling the compound rest

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In which type of welding a gas shield, a consumable electrode is used and the welding can be done in all positions.

A. ARC welding

B. Submerged ARC welding

C. TIG welding

D. MIG welding

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A feed gear box for a screw cutting lathe is designed on the basis of

A. Geometric progression

B. Arithmetic progression

C. Harmonic progression

D. None of these

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Which of the following statement is wrong about ultrasonic machining?

A. It is best suited for machining hard and brittle materials

B. It cuts materials at very slow speeds

C. It removes large amount of material

D. It produces good surface finish

Discuss this answer

A tool used to withdraw a drill from the sleeve is called

A. Drill remover

B. Drill puller

C. Drift

D. Drill drawer

Discuss this answer

Accepted Answer

A. Using abrasive slurry between the tool and work

In ultrasonic machining, the metal is removed by

Correct Answer :

Show all Manufacturing & Production Engineering MCQ

Related Questions

For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is

What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?

The process of improving the cutting action of the grinding wheel is called

The width of cutting edge of a parting off tool varies from

The rear teeth of a broach

In a shaper

Continuous chips with built up edge are formed during machining of

A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

Carbide tipped tools usually have

A grinding wheel is said to be of _________ if the abrasive grains can be easily dislodged.

The lathe spindles are usually made hollow and provided with

Discontinuous chips are formed during machining of

If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is

The rake angle of a single point cutting tool corresponds to _________ of a twist drill.

The cutting speed for drilling copper with high speed steel drills varies from

Cast iron during machining produces

In oblique cutting of metals, the cutting edge of the tool is

Crater wear is predominant in

The shear velocity is the velocity of

In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used is called.

The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)

In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate

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

The saw milling is an operation of

For turning small taper on long workpiece, the suitable method is

In which type of welding a gas shield, a consumable electrode is used and the welding can be done in all positions.

A feed gear box for a screw cutting lathe is designed on the basis of

Which of the following statement is wrong about ultrasonic machining?

A tool used to withdraw a drill from the sleeve is called

Also checkout

List-I (Equipment)	List-II (Process)
P. Hot Chamber Machine	1. Cleaning
Q. Muller	2. Core making
R. Dielectric Baker	3. Die casting
S. Sand Blaster	4. Annealing
.	5. Sand mixing

In ultrasonic machining, the metal is removed by

Correct Answer :

Show all Manufacturing & Production Engineering MCQ

Related Questions

For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is

What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?

The process of improving the cutting action of the grinding wheel is called

The width of cutting edge of a parting off tool varies from

The rear teeth of a broach

In a shaper

Continuous chips with built up edge are formed during machining of

A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of 10 mm diameter between points (0,0) and (100,100) on the XY plane (dimensions in mm). The feed rate used for milling is 50 mm/min, milling time for the slot (in seconds) is

Carbide tipped tools usually have

A grinding wheel is said to be of _________ if the abrasive grains can be easily dislodged.

The lathe spindles are usually made hollow and provided with

Discontinuous chips are formed during machining of

If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is

The rake angle of a single point cutting tool corresponds to _________ of a twist drill.

The cutting speed for drilling copper with high speed steel drills varies from

Cast iron during machining produces

In oblique cutting of metals, the cutting edge of the tool is

Crater wear is predominant in

The shear velocity is the velocity of

In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used is called.

Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer using the given codes. List-I (Equipment)List-II (Process)P. Hot Chamber Machine1. CleaningQ. Muller2. Core makingR. Dielectric Baker3. Die castingS. Sand Blaster4. Annealing.5. Sand mixing

The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)

In abrasive jet machining, as the distance between the nozzle tip and the work surface increases, the material removal rate

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

The saw milling is an operation of

For turning small taper on long workpiece, the suitable method is

In which type of welding a gas shield, a consumable electrode is used and the welding can be done in all positions.

A feed gear box for a screw cutting lathe is designed on the basis of

Which of the following statement is wrong about ultrasonic machining?

A tool used to withdraw a drill from the sleeve is called

Also checkout