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
Which of the following medium is employed for extinction of arc in air circuit breaker ?
A Water
B Oil
C Air
D SF6
The arc voltage produced in A.C. circuit breaker is always
A In phase with the arc current
B Lagging the arc current by 90°
C Leading the arc current by 90°
D None of the above
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
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
The use of high speed circuit breaker -
A reduces the short circuit current
B increase the short circuit current
C improves system stability
D decrease system stability
Circuit breaker is the team generally used in:
A Stock Exchange
B Commercial
C Insurance Company
D Leasing Company
A circuit breaker is a
A Switch
B Resistor
C Fuse
D Resettable protective device
Magnetic circuit breaker has ______ trip action.
A delayed
B instantaneous
C both of the above
D none of the above

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