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1. Which of following part of la slides along bed ways?


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2. Lead of nut is 2mm and has double start threads. What is pitch of nut?


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3. Facing of work piece of diameter 72mm is need to be done at spindle speed of 80 rev per min at cross feed of 0.3mm/rev. The time required in minute for facing operation will be


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4. A cast iron piece of total length 100mm is needed to be tapered for a length of 40mm using swiveling compound rest method. Diameter of job is 20mm and smaller end have nearly zero diameter. What should angle in degrees by which compound rest should be rotated?


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5. Which of following can be used to reverse direction of lead screw relative to direction of spindle movement?


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6. Which of following can produce both external as well as internal threads?


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7. What are thread chasers?


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8. A job of total length 800mm is tapered turned on la using tailstock set over method. The two diameters obtained are 450mm and 500mm and length of taper was 700mm only. Tail stock set over is equal to


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9. Which of following is used to give power feed during cutting of threads?


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10. Let screw of 10mm pitch is needed to be cut on la machine. Lead screw of la has pitch of 6mm. Which of following statement is correct?


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Topics

This Chapter consists of the following topics

Lathe Machines

Shaping and Slotting

Which of following part of la slides along bed ways?

;

Lead of nut is 2mm and has double start threads. What is pitch of nut?

;

Facing of work piece of diameter 72mm is need to be done at spindle speed of 80 rev per min at cross feed of 0.3mm/rev. The time required in minute for facing operation will be

;

A cast iron piece of total length 100mm is needed to be tapered for a length of 40mm using swiveling compound rest method. Diameter of job is 20mm and smaller end have nearly zero diameter. What should angle in degrees by which compound rest should be rotated?

;

Which of following can be used to reverse direction of lead screw relative to direction of spindle movement?

;

Which of following can produce both external as well as internal threads?

;

What are thread chasers?

;

A job of total length 800mm is tapered turned on la using tailstock set over method. The two diameters obtained are 450mm and 500mm and length of taper was 700mm only. Tail stock set over is equal to

;

Which of following is used to give power feed during cutting of threads?

;

Let screw of 10mm pitch is needed to be cut on la machine. Lead screw of la has pitch of 6mm. Which of following statement is correct?

;