॥॥॥॥॥॥॥॥॥॥ 009/2016
16. Case hardening is done on
A) Castlron B) High Carbon Steel
C) High Speed Steel D) Mild Steel
17. Which gear is used for power transmission in parallel shafts ?
A) Worm gear B) Rack and pinion
C) Helical gear D) Bevel gear

18,

19.

21,

23,

24.

Main property of cutting fluid

A) Specific gravity B) Specific heat

C) Ductility D) Viscosity

What SAE 30 number indicate ?

A) Flash point B) Viscosity C) Pour point D) Fire point
. Atool which is used to enlarge a previously drilled hole is known as

A) Boring tool B) Turning tool

C) Formtool D) Facing tool

Which one of the following tapers is used for making shank of lathe centres 7
A) Jerno taper B) Non-standard taper
C) Brown and Sharp taper D) Morse standard taper

. In a shaper rotary motion is converted into reciprocating motion by means of
. A) Shaftand pulley B) Rocker arm and bull gear

C) Rack and pinion D) Worm and worm wheel

The number of threads per inch can be checked with a

A) Tool gauge B) Metric rule
0) ೧/0 08೬6೮6 D) Screw pitch gauge
Slotter is specified by
A) Table diameter B) Maximum stroke of its ram
C) Number of strokes per minute D) All of the above
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