A. no ageing effect
B. high speed of operation
C. high rupturing capacity
D. all of the above
Related Mcqs:
- The main function of a fuse is to_____________?
A. protect the line
B. open the circuit
C. protect the appliance
D. prevent excessive currents
E. none of the above - By which of the following methods major portion of the heat generated in a H.R.C. fuse is dissipated ?
A. Radiation
B. Convection
C. Conduction
D. All of the above - A fuse is never inserted in____________?
A. neutral wire
B. negative of D.C. circuit
C. positive of D.C. circuit
D. phase dine - The fuse wire, in D.C. circuits, is inserted in____________?
A. negative circuit only
B. positive circuit only
C. both (A) and (B)
D. either (A) or (B) - A fuse is connected_______________?
A. in series with circuit
B. in parallel with circuit
C. either in series or in parallel with circuit
D. none of the above - The material used for fuse must have_____________?
A. low melting point and high specific resistance
B. low melting point and -low specific resistance
C. high melting point and low specific resistance
D. low melting point and any specific resistance - The fuse rating is expressed in terms of_____________?
A. current
B. voltage
C. VAR
D. kVA - On which of the following effects of electric current a fuse operates ?
A. Photoelectric effect
B. Electrostatic effect
C. Heating effect
D. Magnetic effect - A fuse in a motor circuit provides protection against__________?
A. overload
B. short-circuit and overload
C. open circuit, short-circuit and overload
D. none of the above - The fuse blows off by___________?
A. burning
B. arcing
C. melting
D. none of the above
