Related Questions

In Oxyacetylene gas welding, temperature at the inner cone of the flame is around
A 3500°C
B 3200°C
C 2900°C
D 2550°C
The oxyacetylene gas used in gas welding produce a flame temperature of
A 1800°C
B 2100°C
C 2400°C
D 3200°C
Oxyacetylene reducing flame is used while carrying out welding on
A Alloy steel
B Grey cast iron
C Mild steel
D High carbon steel
Most of the oxyacetylene welding is done with
A Neutral flame
B Oxidizing flame
C Carburising flame
D All of these
The maximum adiabatic flame temperature in air is __________ the maximum flame temperature in pure oxygen.
A Lower than
B Higher than
C Same as
D Not related to
The maximum adiabatic flame temperature of fuels in air is __________ the maximum flame temperature in pure oxygen.
A Lower than
B Higher than
C Same as
D Not related to
Actual flame temperature is always lower than the adiabatic flame temperature, because there is
A No possibility of obtaining complete combustion at high temperature
B Always loss of heat from the flame
C Both A & B
D Neither A nor B
In machining metal, cutting force at the cutting edge is measured by a
A Wattmeter
B Dynamometer
C Hydrometer
D Pyrometer
In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
A High metal removal rate
B Dry machining
C Use of soft cutting tool
D Surface finish
When cutting and pasting, cutting section is temporarily stored in
A Dashboard
B Hard drive
C Diskette
D Clipboard

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