14
24
32
40
A. 14
Check the diameter of shafts or studs
Test the accuracy of holes
Check the clearance between two mating surfaces
All of the above
Is a two man saw
Is used for cutting along the grains of wood
Has a narrow blade with two wooden handles
All of the above
+0.05 mm
±0.2 mm
+0.5 mm
±1 mm
Alternating current with high frequency is used
Alternating current with low frequency is used
Direct current is used
Any one of these
The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction
The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction
The bottom and middle roll rotate in the same direction
Any one of the above
Forward stroke
Return stroke
Both forward and return strokes
None of these
Grinding the cutting edges sharp
Increasing the hardness of tool
Providing shear on tool
Increasing the hardness of die
Wire drawing
Tube drawing
Metal cutting
Forging
Neutral
Oxidising
Carburising
All of these
Striking tool
Planing tool
Boring tool
Marking tool
Drawing
Rolling
Piercing
Forging
Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould
Ram the sand harder at the back of the mould and softer on the pattern face
Produce uniform packing of sand in the mould
Give uniform sand hardness throughout the mould
Outside micrometer
Inside micrometer
Depth gauge micrometer
Combination set
Collapsibility
Permeability
Cohesiveness
Adhesiveness
1800°C
2100°C
2400°C
3200°C
Symmetrical shape about vertical axis
Symmetrical shape about horizontal axis
Irregular shape
Nonferrous metal only
Lower deviation is zero
Upper deviation is zero
Lower and upper deviations are zero
None of these
Flat surfaces
Grooves
Keyways
V-shaped grooves
Ferrous alloys with low melting temperature are casted
Ferrous alloys with high melting temperature are casted
Nonferrous alloys with low melting temperature are casted
Nonferrous alloys with high melting temperature are casted
Voltage
Flow of current
Contact resistance
All of these
Grain structure is distorted
Strength and hardness of metal increases
Close dimensional tolerance can be maintained
All of the above
It evolves a great amount of steam and other gases
The sand grains stick together
It clings to the sides of a moulding box
None of these
Results in a mismatching of the top and bottom parts of a casting
Results in general enlargement of the casting
Occurs near the ingates as rough lumps on the surface of a casting
Occurs as sand patches on the upper surface of a casting
Towards right
Towards left
Alternately towards right and left and every third or fourth left straight
May be bent in any direction
Same
Similar
Different
None of these
One is working roll and three are backing up rolls
Two are working rolls and two are backing up rolls
Three are working rolls and one is backing up roll
All of the four are working rolls
Hot piercing
Extrusion
Cold peening
Cold heading
Deliver molten metal into the mould cavity
Act as a reservoir for the molten metal
Feed the molten metal to the casting in order to compensate for the shrinkage
Deliver the molten metal from pouring basin to gate
Drawing
Squeezing
Coining
Planishing
Drawing
Squeezing
Coining
Planishing