Q.1
The angle between the shear plane and _________ is called shear angle.
Q.2
Soft materials can not be economically ground due to
Q.3
Cutting fluids are used to
Q.4
Which of the following arc welding processes does not use consumable electrodes?
Q.5
Climb milling is chosen while machining because
Q.6
A mandrel is used to hold
Q.7
The tool may fail due to
Q.8
The chamfering is an essential operation after
Q.9
Tumbler gears in lathe are used to
Q.10
Hardness of green sand mould increases with
Q.11
The process of removing metal by a cutter which is rotated against the direction of travel of workpiece, is called
Q.12
The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece, is called
Q.13
Which of the following statement is correct for orthogonal cutting system?
Q.14
In metal machining, the zone where the heat is generated due to friction between the moving chip and the tool face, is called
Q.15
The hardness of a grinding wheel is specified by
Q.16
Green sand mould indicates that
Q.17
What is the type of welding defect caused due to poor deposition of weld rod is called?
Q.18
A single point tool has
Q.19
A drill bit of 20 mm diameter rotating at 500 r.p.m. with a feed rate of 0.2 mm/revolution is used to drill a through hole in a mild steel plate 20 mm thickness. The depth of cut in this drilling operation is
Q.20
An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
Q.21
In drilling aluminium, a drill with
Q.22
Jigs are used
Q.23
The common welding error that occurs due to shrinkage of weld metal, faulty clamping of parts, faulty penetration or overheating at joints is called?
Q.24
A drill considered as a cutting tool having zero rake, is known as a
Q.25
A lathe with four steps on the cone pulley and with back-gears will have
Q.26
It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?
Q.27
In which of the following machine, the work is usually rotated while the drill is fed into work?
Q.28
Crater wear is predominant in
Q.29
In a shaper, the metal is removed during
Q.30
The type of reamer used for reaming soft aluminium or copper, is
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