550+ Machining-and-machine-tool-operations Questions

Machining-and-machine-tool-operations Questions Set 18:

Quiz Mode

What is the maximum pressure of water used in water jet machining?

100 MPa

200 MPa

300 MPa

400 MPa

Solution:

If a screw is said to be an overhauling screw, what is its efficiency?

50%

less than 50%

more than 50%

zero

Solution:

An edge dislocation is capable of moving by a climb in a direction perpendicular to the slip plane.

30°

45°

90°

180°

Solution:

Which of the following is not an alternative name for the trunk in ultrasonic machining (USM)?

horn

concentrator

shaft

shank

Solution:

Why is a drill jig bush used in drill jigs?

To locate and guide the drill

To pour the coolant

To remove the swarf

None of the above

Solution:

The parts shorter than _____ times the centreline spacing of rolls of the machine employed will not feed or form satisfactorily.

Solution:

Polygonization is a process of _____

annealing a bent crystal

annealing a pure metal

heating the metal above recrystallization temperature

quenching

Solution:

How does the total cost of production change with the use of jigs and fixtures?

Increases

Decreases

Jigs are not used in any production process

Remains the same

Solution:

What is the other name for the six-point location principle?

Transfer Locating principle

Three two one Locating principle

Two one three Locating principle

One two three Locating principle

Solution:

A cutting operation is performed with a rake angle of 10° and the friction angle of 52°. If the cutting operation is assumed to be orthogonal with no built-up edge formation, and the merchant circle analysis is valid, find the cutting strain for such an operation.

1.69

2.495

1.856

1.065

Solution:

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Machining-and-machine-tool-operations Questions Set 18:

What is the maximum pressure of water used in water jet machining?

Solution:

If a screw is said to be an overhauling screw, what is its efficiency?

Solution:

An edge dislocation is capable of moving by a climb in a direction perpendicular to the slip plane.

Solution:

Which of the following is not an alternative name for the trunk in ultrasonic machining (USM)?

Solution:

Why is a drill jig bush used in drill jigs?

Solution:

The parts shorter than _____ times the centreline spacing of rolls of the machine employed will not feed or form satisfactorily.

Solution:

Polygonization is a process of _____

Solution:

How does the total cost of production change with the use of jigs and fixtures?

Solution:

What is the other name for the six-point location principle?

Solution:

A cutting operation is performed with a rake angle of 10° and the friction angle of 52°. If the cutting operation is assumed to be orthogonal with no built-up edge formation, and the merchant circle analysis is valid, find the cutting strain for such an operation.

Solution:

Related Question Sets:

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