The instrument which has all the features of try-square, bevel protractor, rule and scriber, is
Outside micrometer
Inside micrometer
Depth gauge micrometer
Combination set
Correct Answer :
D. Combination set
Related Questions
During hot working of metals
Poor surface finish is produced
Scale is formed on the metal surface
Close tolerances cannot be maintained
All of these
In welding copper alloys with TIG arc welding
Direct current with straight polarity is used
Direct current with reversed polarity is used
Alternating current is used
Any one of these
In spot welding, the spacing between two spot weld should not be less than
d
1.5 d
3 d
6 d
The operation of bending a sheet of metal along a curved axis, is known as
Plunging
Notching
Slitting
Forming
A zinc diffusion process is called
Galvanising
Anodising
Parkerising
Sherardizing
The parts of circular cross-section which are symmetrical about the axis of rotation are made by
Hot forging
Hot spinning
Hot extrusion
Hot drawing
The purpose of a riser is to
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
A casting defect which occurs due to improper venting of sand is known as
Cold shuts
Blow holes
Shift
Swell
Lap joints are employed on plates having thickness
Less than 3 mm
5 to 10 mm
12.5 mm
Above 25 mm
The machining allowance provided on patterns depends upon
Type of casting metal
Size and shape of casting
Method of casting used
All of these
A file with 20 teeth in 25 mm is called
Rough file
Bastard file
Second cut file
Smooth file
Which of the following material can be used for making patterns?
Aluminium
Wax
Lead
All of these
A taper provided on the pattern for its easy and clean withdrawal from the mould is known as
Machining allowance
Draft allowance
Shrinkage allowance
Distortion allowance
In submerged arc welding, an arc is produced between a
Carbon electrode and the work
Metal electrode and the work
Bare metal electrode and the work
Two tungsten electrodes and the work
When a pattern is made in three parts, the top part, is known as a
Drag
Cheek
Cope
None of these
Cores are used to
Form internal cavities in the casting
Improve mould surface
Form a part of a green sand mould
All of these
In order to deliver molten metal from pouring basin to gate, a ________ is used.
Riser
Sprue
Core
None of these
When the file is moved to and fro over the work, it is known as
Cross filing
Draw filing
Pull and push filing
None of these
In arc welding, the temperature of heat produced by the electric arc is of the order of
3000°C to 4000°C
4000°C to 5000°C
5000°C to 6000°C
6000°C to 7000°C
The casting method adopted for ornaments and toys of nonferrous alloys, is
Permanent mould casting
Slush casting
Die casting
Centrifugal casting
The upsetting is a process of
Increasing the cross-section of a bar
Reducing the cross-section of a bar
Joining the two surfaces of metal under pressure after heating
Bending of a bar
When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
Die casting method
Slush casting method
Permanent mould casting method
Centrifugal casting method
The maximum flame temperature occurs
At the outer cone
At the inner cone
Between the outer and inner cone
At the torch tip
Blanking and piercing operations can be performed simultaneously in a
Simple die
Progressive die
Compound die
Combination die
In a simple die
Two or more operations are performed simultaneously at the single stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
None of the above
The difference between the upper limit and lower limit of a dimension is called
Nominal size
Basic size
Actual size
Tolerance
The punch and die set up is ________ for punching and piercing operation.
Same
Similar
Different
None of these
The brass and bronze are welded by _________ flame.
Neutral
Oxidising
Carburising
All of these
The blank diameter used in thread rolling will be
Equal to minor diameter of the thread
Equal to pitch diameter of the thread
A little larger than the minor diameter of the thread
A little larger than the pitch diameter of the thread
The surface to be left unmachined is marked on the pattern by
Red colour
Yellow colour
Black colour
Blue colour