1. The tail stock barrel has an internal taper. Which one of the following standard taper is provided in_the barrel bore ?

morse taper

jarno taper

brown and sharp taper

metric taper

Answer: morse taper

Explanation:


2. Which one of the following operation is not done on a work piece held between centres ?

knurling

turning

thread cutting

parting off

Answer: parting off

Explanation:


3. Which type of centre having a more life compared to other centres ?

tipped centre

ball centre

half centre

revolving centre

Answer: revolving centre

Explanation:


4. Which one of the following reason for turn threads while thread cutting on lathe ?

heavy depth of cut

blunt tool

insufficient side clearance

all of these

Answer: all of these

Explanation:


5. The compound slide swivel base set at 45° to the centre line of lathe. The degree of cross slide will be _________ ?

120°

90°

75°

45°

Answer: 45°

Explanation:


6. Which among the following factors governs the selection of feed when turning a work peace ?

tool geometry

depth of cut

surface finish

all of these

Answer: all of these

Explanation:


7. Morse taper is mentioned in which number form ?

0 to 9

0 to 8

0 to 7

0 to 6

Answer: 0 to 7

Explanation:


8. Taper turning on a lathe can be carried out using ?

form tool method

tail stock offset method

compound slide method

all of the above

Answer: all of the above

Explanation:


9. Tumbler gear quadrant is used for ?

increase the speed of the spindle

decrease the speed of the spindle

change the direction of rotation of the lead screw

changing the direction of the spindle

Answer: changing the direction of the spindle

Explanation:


10. The lathe bed has ?

one set of V-guideways and flat ways

two set of V-guideways and flat ways

three set of V-guideways and flat ways

four set of V-guideways and flat ways

Answer: two set of V-guideways and flat ways

Explanation: