ENGINEERING CAREER AND STUDY MATERIALS

1. The resistance of a 2 km length of cable of cross-sectional area 2mm2 and resistivity of 2×10-8Ω m is: (a) 0.02Ω (b) 2.000Ω (c) 0.02mΩ (d) 20Ω Answer:  (d) 20Ω 2.The thrust developed by a linear induction motor depends on (a) Synchronous speed (b) Rotor input (c) Number of poles (d) Both A and B Answer:  (d) Both A and B 3. What is the “power factor”? a) Cos of the phase angle between true power and apparent power b) Peak power times 0.707 c) Sin of the phase difference between E and I d) Ratio of true power to apparent power Answer:  d) Ratio of true power to apparent power 4.  In Bipolar Junction transistors, the type of configuration which will give both voltage gain and current gain is a) CC b) CB c) CE d) None Answer: c) CE 5. A network designed to pass signals with all frequencies except those between two specified cut-off frequencies is called a (a) low-pass filter

ELECTRICAL ENGINEERING EXAM QUESTIONS FREE DOWNLOAD   The Electrical Engineering Questions repeated in many Recruitment Examinations conducted in Karnataka, Gujarath, Tamil Nadu and Delhi. Referring these questions may help you to gain more knowledge and also helps you to ease the upcoming examination conducted for recruiting Electrical Engineering in Government and Private institutions. 1. A high-pass T-connected symmetrical filter section has capacitance of 400 nF in each of its series arms and an inductance of 200mH in its shunt arm. The cut-off frequency of the filter is (a) 398 Hz (b) 1125 Hz (c) 251 Hz (d) 152 Hz Answer:  (a) 398 Hz 2. A low-pass T-connected symmetrical filter section is comprised of (a) 98.65 μH in each series arm, 121.4 pF in shunt arm (b) 49.34 μH in each series arm, 126.4 pF in shunt arm (c) 98.68 μH in each series arm, 256.7 pF in shunt arm (d) 49.34 μH in each series arm, 256.7 pF in shunt arm Answer;  (d) 49.34 μH in each series arm, 256.7