electrical engineering mcqs

GURU MCQs provides Electrical Engineering MCQs for Job Test and Interview Preparation, suitable for fresh graduates, students, and competitive exams. Most repeated Electrical Engineering MCQs section is frequently encountered in CSS, PMS, Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments. Electrical Engineering most repeated MCQs include Analog and Digital Communications, Control Systems, Power Electronics, Electric Circuits, Electric machines, Electrical measurement & units, Utilization of Electrical Energy, Basic Electrical Engineering, Electrical Installation, Power Systems, Testing & maintenance of electrical equipment’s – and much more.

**111. The use of strain type insulators is made where the conductors are?**

A. **dead ended**
B. at intermediate anchor towers
C. any of the above
D. none of the above

**112. The current drawn by the line due to corona losses is?**

A. **non-sinusoidal**
B. sinusoidal
C. triangular
D. square

**113. Pin type insulators are generally not used for voltages beyond?**

A. 1 kV
B. 11 kV
C. 22 kV
D. **33 kV**

**114. Aluminium has a specific gravity of?**

A. 1.5
B. **2.7**
C. 4.2
D. 7.8

**115. For transmission of power over a distance of 200 km, the transmission voltage should be?**

A. **132 kV**
B. 66 kV
C. 33 kV
D. 11 kV

**116. For aluminium, as compared to copper, all the following factors have higher values except?**

A. specific volume
B. electrical conductivity
C. co-efficient of linear expansion
D. **resistance per unit length for same cross-section**

**117. Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical?**

A. Static condenser
B. Synchronous condenser
C. Tap changing transformer
D. **Booster transformer**

**118. In a tap changing transformer, the tappings are provided on?**

A. primary winding
B. secondary winding
C. high voltage winding
D. **any of the above**

**119. Constant voltage transmission entails the following disadvantage?**

A. large conductor area is required for same power transmission
B. short-circuit current of the system is increased
C. **either of the above**
D. none of the above

**120. On which of the following factors does skin effect depend?**

A. Frequency of the current
B. Size of the conductor
C. Resistivity of the conductor material
D. **All of the above**

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