A faceplate is used for turning

26) Which among the following statements is NOT correct ?

A face plate is similar to the magnetic chuck

For accurate setting of the job on the face plate, dial test indicator is used

To check the balance of the face plate work, spindle drive should be disconnected

'V' block is essential for holding round job on face plate

Answer is:

A face plate is similar to the magnetic chuck

Explanation:

Faceplates are used to hold work that is too large or of such a shape that it cannot be held in a chuck or between centers. Faceplates are equipped with several slots to permit the use of bolts to secure the work, so that the axis of the workpiece may be aligned with the lathe centers. When work is mounted off – center, a counterbalance should be fastened to the faceplate to prevent imbalance and the resultant vibrations when the lathe is in operation.

27) 'V' grooves of cast iron pulley have to be fine turned. Which one of the following work holding methods gives the highest concentricity ?

holding between a four-jaw chuck and a revolving centre

holding between a three-jaw chuck and supporting with a pipe centre

holding on a split mandrel and machining between centres

holding on cone mandrel and machining between centres

Answer is:

holding on cone mandrel and machining between centres

Explanation:

'V' grooves of cast iron pulley have to be fine turned. Which one of the following work holding methods gives the highest concentricity when holding on cone mandrel and machining between centres.

28) When machining irregularly shaped workpiece held in face plate, counterbalancing is done by clamping weights. This is done

Before mounting the face plate on the spindle nose

After mounting the face plate on the spindle nose and revolving the workpiece at the slowest rpm

After mounting the face plate on the spindle nose and keeping the spindle in neutral position

After taking the rough cut

Answer is:

After mounting the face plate on the spindle nose and keeping the spindle in neutral position

Explanation:

When machining irregularly shaped workpiece held in face plate, counterbalancing is done by clamping weights. This is done after mounting the face plate on the spindle nose and keeping the spindle in neutral position.

29) A fixed steady rest is used to

support the tool rigidly to avoid chatter during operation

support long shafts that are being threaded for their full length

support workpiece during facing large diameter workpieces with short length

support long workpiece held in chuck, to perform operations at the overhanging end

Answer is:

support long workpiece held in chuck, to perform operations at the overhanging end

Explanation:

A fixed steady rest is used to support long workpiece held in chuck, to perform operations at the overhanging end.

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A faceplate is used for turning

Irregular shaped jobs

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Related Lathe Accessories MCQ with Answers

26) Which among the following statements is NOT correct ?

A face plate is similar to the magnetic chuck

27) 'V' grooves of cast iron pulley have to be fine turned. Which one of the following work holding methods gives the highest concentricity ?

holding on cone mandrel and machining between centres

28) When machining irregularly shaped workpiece held in face plate, counterbalancing is done by clamping weights. This is done

After mounting the face plate on the spindle nose and keeping the spindle in neutral position

29) A fixed steady rest is used to

support long workpiece held in chuck, to perform operations at the overhanging end

For More Lathe Accessories MCQ with Answers