In a drill operation:
Railway rails are generally made of
In case of slotting machine, cutting
action takes place in:
The size of a shaper is specified by:
For which machines, are very large
speed range required?
Which part of the cutting tool is
prone to crater wear?
Quick return mechanism is incorporated
in a
Orthogonal cutting system is also
called
In a shaper, metal is removed during
The following type of chip is produced
when machining ductile materials:
Select the correct sequences of the
following parameters in descending order of influence on tool life
1. Feed rate
2. Depth of cut
3. Cutting speed
Size of shaper is specified by:
Milling machine is classified as
horizontal or vertical type, depending on the position of:
Continuous chips are formed when
machining:
Which of the following machines does
not require quick return mechanism?
For drilling operation, the
cylindrical hob should always be clamped on a:
In which of the following operations
on lathe, will the spindle speed beminimum?
The operation of sharpening a grinding
wheel is called:
When turning long shaft on a lathe,
its bending can be prevented by:
In grinding operation, for grinding
harder material:
A universal dividing head is used to
perform a milling operation by:
Reaming is the operation of:
For a carburising flame, the flow of ________is
kept higher.
Coated electrodes are used in ________
.
Which one of the following methods is
generally not used in welding of chromium molybdenum steels?
Oxygen cylinders are
During soldering
Arc blow is a welding defect which is
encountered
Ceramic tools are fixed to tool by the
following process
Plainand butt welds may be used on
materials upto approximately
The bonding of a rubber sheet with a
metal is done by
Thermite is a mixture of
Preheating is essential in welding
In arc welding, arc is created between
the electrode and work by
Open circuit voltage for arc welding
is of the order of
The main criterion for selection of
electrode diameter in arc welding is
In arc welding, eyes need to be protected against:
The drawing representation shown in die figure given below for welding is used to represent
Two sheets of same material but
different thickness can be butt welded by________.
Pick up the incorrect statement about
MIG welding
In arc welding operations the current
value is decided by________.
Preheating is essential in welding________.
Magnetic arc blow is ________ .
In braze welding, the filler metal is
A. Distributed by capillary action
B. Melted and deposited at the point
where the weld is to be made
C. Not required
The most commonly used flame in gas
welding is
A.Neutral
B. Oxidising
C. Carburising
Carburizing flame is used to weld
metals like________.
Binding wire used to support the
joints for soldering is made of________.
Oxygen to acetylene ratio in case of
carburizing flame is________.
Electrode gets consumed in the
following welding process ________ .
Black colour is generally painted on