Related Questions

If a gas metal arc process uses a low arc voltage and the arc is continuously interrupted as the molten electrode metal fills up the arc gap is known as
A ARC
B Short ARC
C ARC length
D ARC blow
Arc in a circuit breaker is interrupted at
A zero current
B maximum current
C minimum voltage
D maximum voltage
Which of the following medium is employed for extinction of arc in air circuit breaker ?
A Water
B Oil
C Air
D SF6
In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as Positive pole of the welding arc, the arrangement is known as
A Fusion
B Reverse polarity
C Forward welding
D Direct polarity
In arc welding, the electric arc is produced between the work and the electrode by
A Voltage
B Flow of current
C Contact resistance
D All of these
In submerged arc welding, an arc is produced between a
A Carbon electrode and the work
B Metal electrode and the work
C Bare metal electrode and the work
D Two tungsten electrodes and the work
In arc welding, the temperature of heat produced by the electric arc is of the order of
A 3000°C to 4000°C
B 4000°C to 5000°C
C 5000°C to 6000°C
D 6000°C to 7000°C
The voltage appearing across the contacts after opening of the circuit breaker is called______voltage.
A recovery
B surge
C operating
D arc
E none of the above
Circuit breaker in a stock exchange works as -
A a medium to spilt stocks
B An obstacle to excessive change in share price
C A policy for broker houses
D A constraint to issue bonus shares
Circuit breaker in a stock exchange works as ----
A A medium to split stocks
B An obstacle to excessive change in share price
C A policy for broker houses
D A constrain to issue bonus shares

Next steps