AP ECET ELECTRICAL AND ELECTRONICS ENGINEERING (EEE) Multiple Choice Questions (MCQs)

AP ECET Electrical and Electronics Engineering (EEE) - Unit VIII: Electrical Estimation

106. 106. Which of the following tools is commonly used for electric wiring installation?
     a) Hammer
     b) Screwdriver
     c) Wire Stripper
     d) Spanner
     Answer: c) Wire Stripper
107. 107. Which of the following is NOT a type of electrical wiring used in buildings?
     a) Concealed wiring
     b) Open wiring
     c) Surface wiring
     d) Conductive wiring
     Answer: d) Conductive wiring
108. 108. What is the most commonly used material for electrical wires?
     a) Copper
     b) Aluminum
     c) Steel
     d) Iron
     Answer: a) Copper
109. 109. What is the purpose of accessories in electric wiring systems?
     a) To increase the resistance
     b) To connect different electrical circuits
     c) To increase the current flow
     d) To reduce the voltage
     Answer: b) To connect different electrical circuits
110. 110. Which of the following circuits is typically used for controlling a lamp with a single switch?
     a) Series circuit
     b) Parallel circuit
     c) Lamp circuit
     d) Mixed circuit
     Answer: c) Lamp circuit
111. 111. What does "estimating and costing" in electrical installation refer to?
     a) Calculating the total cost of materials and labor
     b) Estimating the lifespan of electrical components
     c) Estimating the current and voltage requirements
     d) Calculating the efficiency of electrical machines
     Answer: a) Calculating the total cost of materials and labor
112. 112. Which of the following is NOT part of a typical domestic electrical installation?
     a) Circuit breaker
     b) Overhead lines
     c) Switchboard
     d) Electrical meter
     Answer: b) Overhead lines
113. 113. What type of electrical installation is required for irrigation pump sets?
     a) Domestic wiring
     b) Industrial wiring
     c) Power wiring
     d) Rural electrification
     Answer: c) Power wiring
114. 114. What is a primary factor in estimating the cost of overhead lines?
     a) Length of the line
     b) Voltage of the line
     c) Type of wire used
     d) Number of junctions
     Answer: a) Length of the line
115. 115. What is the purpose of earthing in electrical installations?
     a) To increase power efficiency
     b) To prevent electric shock hazards
     c) To reduce voltage fluctuations
     d) To improve current flow
     Answer: b) To prevent electric shock hazards
116. 116. Which of the following is typically tested in departmental tests for electrical installations?
     a) The resistance of the insulation
     b) The efficiency of the electric motor
     c) The brightness of the lamp
     d) The weight of the wiring
     Answer: a) The resistance of the insulation
117. 117. What is the minimum voltage level for a 2 kV substation?
     a) 1000 V
     b) 2000 V
     c) 2400 V
     d) 2200 V
     Answer: b) 2000 V
118. 118. What type of wiring is commonly used in rural electrification projects?
     a) Underground wiring
     b) Overhead wiring
     c) Concealed wiring
     d) Flexible wiring
     Answer: b) Overhead wiring
119. 119. Which of the following is part of the maintenance of electrical machines?
     a) Replacing insulation
     b) Testing current and voltage
     c) Cleaning and lubricating moving parts
     d) All of the above
     Answer: d) All of the above
120. 120. What is the most common method used for estimating electrical work in domestic installations?
     a) Bill of materials
     b) Labor hour estimation
     c) Cost per unit of power consumed
     d) Length of wiring used
     Answer: a) Bill of materials

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