SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1
Identify the machine shown in the circuit

DC shunt motor

DC short shunt compound motor

DC long shunt compound generator

DC short shunt compound generator

DC shunt motor

DC short shunt compound motor

DC long shunt compound generator

DC short shunt compound generator

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

P = 8, f = 50 Hz

P = 12, f = 60 Hz

P= 12, f = 50 Hz

P = 10, f = 60 Hz

P = 8, f = 50 Hz

P = 12, f = 60 Hz

P= 12, f = 50 Hz

P = 10, f = 60 Hz

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
Extension of moving iron ammeter range can be done by using

Shunt

Inductor

Capacitor

Multiplier

Shunt

Inductor

Capacitor

Multiplier

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is?

29 ohm

11.5 ohm

115 ohm

290 ohm

29 ohm

11.5 ohm

115 ohm

290 ohm

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

1

0.9

0.5

0.8

1

0.9

0.5

0.8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

Power consumed by Z1

Power consumed by Z1 and Z2

Zero always

Power consumed by Z2

Power consumed by Z1

Power consumed by Z1 and Z2

Zero always

Power consumed by Z2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MORE MCQ ON SSC JE Electrical 2019 with solution SET-1

↑