67.

70.

73.

7೩.

73.

74.

The no. of spindle speeds available from a cone pulley head stock where the cone pulley have
4-5060 ‏٦‎

(ಗಿ) 4 - 806608 (0) 12 ~ 3८९१8

(0 16 - speeds (D) 8- speeds
Lesd is the metal used for as a counter weight for balancing the faceplate when it is mounted
on Lathe spindle, the reason for selecting lead is :

(ಗೆ) 11೧೩ ductile (13) Most heaviest

(¢) Toughest (D) Most elastic
While turning operation the cutting edge of tool is chipped off: for reducing this defect which
will 00 the suitable provision from the following?

(ക Increase feed rate (B) Decrease nose radius

(C) Reduce cutting speed (1) Use Negative rate

The tailstock spindle hole is provided with :

(A) Metric taper (B) Maorse taper

(C) Jarno taper (D) Brown and sharp taper
In the system of limits and fits; a hole size is given as 50 mm basic size and maximum and
minimum limit given as +50 and +7. Which of the following is a correct statement?

ക Hole Max. 50.05 and Min. 50.07 mm

(18) Hole Max, 50.5 and Min. 50.007 mm

(£) Hole Max. 50.05 and Min. 50.007 mm

(D) Hole Max. 50.005 and Min, 50,007 mm

Which is the chuck used for holding a work quickly and with high gripping power?

(ಹ) TFour jaw independent chuck (ए) Hydraulic chuck
(€) Three jaw chuck (D) Collet chuck
Which type of tool post have, the ool height is quickly adjustable?
(A) Single way tool post (18) British Lype tool post
)© Four way tool post (0) Open side tool post

The parting-off aperation cannot be done when the work is held by ¢
(^) Four jaw independent chuck (B) Three jaw self centering chuck
{C) Between centers 0) Collet chuck

11 168/2014
(7.1.0.