1.
Which one of the following parts of a universal surface gauge helps to draw parallel lines along a datum edge?
A
Fine adjusting screw
B
Guide pins
C
Base
D
Rocker arm
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25 practice sets · Page 1 of 2
Which one of the following parts of a universal surface gauge helps to draw parallel lines along a datum edge?
Fine adjusting screw
Guide pins
Base
Rocker arm
Which one of the following thread forms is provided in the threaded parts where the pressure acts on one flank of the threads during transmission?
V thread
Square thread
Knuckle thread
Buttress thread
Scriber is made of
copper
High carbon steel
Mild Steel
Cast Iron
CNC machine are not manually operated. They are controlled by means of?
A programme
An operating
A cam
A plug board system
You have to file an aluminum block to a smooth finish, which one of the following cut of file is most suitable?
Double cut
Curved cut
Rasp cut
Single cut
Vice clamps are used to
protect the finished surfaces of the job
hold the job firmly
protect the serrated jaws of the vice
protect the file
A point to point control system is suitable only for one of the following applications?
Milling profile
Turning
Drilling
Grinding
The safe way of working is
an effective and right way of working
an ancient way of working
a way of handling the work in a hurry
a way of normal working
Counter boring is done for?
Deburring hole ends
Enlarging holes to accurate size
Finishing cored holes
Accommodating socket head screws
A divider is used for
scribing circles
scribing arcs
transferring and stepping of distance
all of the above
Which one of the following is an artificial abrasive?
Silicon carbide
Emery
diamond
Corundum
For general purpose, a bench vice is fixed at a height of
125 cm
80 cm
90 cm
106 cm
While grinding and lapping cemented carbide tipped tool with diamond wheels a good flow of coolant should be directed to cover the grinding zone, the coolant suitable is?
Mixture of paraffin and water
Soluable oil
Mineral oil
Sulphurised oil
Which one of the following groups of properties enables the manufacture of chain hooks from wrought iron?
Hardness, toughness and brittleness
Ductillity, malleability and hardness
Hardness, toughness and ductility
Malleability, ductility and toughness
Generally the length of the handle of a vice is
4.5 times the nominal size of the vice
1.5 times the nominal size of the vice
2.5 times the nominal size of the vice
3.5 times the nominal size of the vice
Which one of the following operations can be done on slotting machine?
Keyway for feather keys
External keyway on long shaft
Internal grooves
Woodruff keyway on a shaft
Thread measurement with inserts fitted in the anvil and spindle of screw tread micrometer are selected on the basis of one the following elements of a thread being measured?
Pitch
Major diameter
Minor diameter
Effective diameter
Which of the following is not the part of a combination set?
Centre head
stock
Protractor head
Square head
Dressing and turning of a grinding wheel are?
Only for form grinding
Exactly the same operation
Done with the same equipment
Done only for coarse grinding wheels
How do you recognize a drill for soft metal?
By the point angle which is 90 deg
By the large helix angle
By the small helix angle
By the chisel edge angle