Switch Gear Overheating of relay contacts or contact born out is due to foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against open circuit, short-circuit and overload None of these short-circuit and overload overload open circuit, short-circuit and overload None of these short-circuit and overload overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse is a circle None of these has inverse characteristic has a linear characteristic is a circle None of these has inverse characteristic has a linear characteristic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 5 A 10 A 20 A 30 A 5 A 10 A 20 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in All of these voltage and current resistance, reactance and impedance temperature All of these voltage and current resistance, reactance and impedance temperature ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it is quite cheap All of these does not deteriorate with age has high speed of operation is quite cheap All of these does not deteriorate with age has high speed of operation ANSWER DOWNLOAD EXAMIANS APP
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