SSC JE Electrical 2019 with solution SET-1 The trade name of the Nickel-Copper alloy, that is used as a heating element is: Steel Nichrome Eureka Kanthal Steel Nichrome Eureka Kanthal ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Constantin‘, also known as ‘Eureka wire‘, is the trade-name for a copper-nickel alloy (approx. 60:40 ratio) formulated in the late 1800s by Edward Weston.
SSC JE Electrical 2019 with solution SET-1 The annual load factor of a generation station is equal to (No. of units actually supplied per month) ⁄ (Max. possible demand × 8760) (No. of units actually supplied per year) ⁄ (Max. possible demand × 8760) (No. of units actually supplied per year) ⁄ (Max. possible demand) (No. of units actually supplied per year) ⁄ (Max. possible demand) (No. of units actually supplied per month) ⁄ (Max. possible demand × 8760) (No. of units actually supplied per year) ⁄ (Max. possible demand × 8760) (No. of units actually supplied per year) ⁄ (Max. possible demand) (No. of units actually supplied per year) ⁄ (Max. possible demand) ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 The below symbol which is used in single line diagrams represents Circuit breaker Current transformer Power transformer Potential transformer Circuit breaker Current transformer Power transformer Potential transformer ANSWER DOWNLOAD EXAMIANS APP
SSC JE Electrical 2019 with solution SET-1 Find the mutual inductance between two ideally coupled coils of 2H and 8H 4 H 8 H 2 H 16 H 4 H 8 H 2 H 16 H ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Mutual inductance between the two coils is K = √L1.L2K = √2 × 8k = √16k = 4 H
SSC JE Electrical 2019 with solution SET-1 A synchronous motor runs at 600rpm, which of the following case is true? P = 12, f = 60 Hz P = 10, f = 60 Hz P= 12, f = 50 Hz P = 8, f = 50 Hz P = 12, f = 60 Hz P = 10, f = 60 Hz P= 12, f = 50 Hz P = 8, f = 50 Hz ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Synchronous speed NS = 120f/PWhenP = 12 & F = 60 then Ns = ?NS = 120f/P = (120 × 60)/12 = 600 RPM
SSC JE Electrical 2019 with solution SET-1 A single-phase circuit’s power factor can be measured with a/an Wattmeter alone Combination of a voltmeter, ammeter, and wattmeter Combination of a voltmeter and ammeter Energy meter alone Wattmeter alone Combination of a voltmeter, ammeter, and wattmeter Combination of a voltmeter and ammeter Energy meter alone ANSWER DOWNLOAD EXAMIANS APP
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