SSC JE Electrical Engineering 23rd Jan 2018 Shift-2

Which of the following is the dimension of capacitance?

A house has 5 fans of 70 W eachthat operate for 16 hours a day and one washing machine of 2000 W that operates for 1 hour per day in the month of June. Whatis the energy consumption (in kWh) of the house in the month of June?

A PMMC typevoltmeter, having a full scale reading of 250 V and an internal resistance of 400 kilo-ohms, is connect with a series resistance of 100 kilo-ohms. Calculate the sensitivity of the voltmeter (in Ohms/Volts).

Determine the percentage voltage error of a potential transformer with the system voltage of 11,000 V and having a turn’s ratio of 104, if the measured secondary voltage is 98 V.

A circuit having powerfactor of 0.8 consumes 40 W. Whatwill be the value of reactive power(in VAR) of the circuit?

Determine the phase angle (in degrees) of a balanced 3-phase star connected system, if the first and the second wattmeter show readings of 200 W and 1200 W respectively.

Which one of the following statement is NOT true about PMMC typeinstruments?

Which one of the following instrument can measure voltage, resistance, and current?

Which one of the following is the CORRECTexpression for voltmeter sensitivity of PMMC type instrument?

Determine the value of unknown resistance $$R_x$$, (in kΩ)and unknown capacitance $$C_{x}$$ (in $$\mu F$$) respectively for the circuit given below, when no current flows through the detector (D)?