Test & answers of electrical-p3

 Test & answers of electrical-p3

100. How pressure generates an electromagnetic field

101. How magnetism generates an electromagnetic field

102. What are the common objectives of those six EMF sources?

103. What do circuit breakers do?

104. Why is Individual Branch Circuits Important?

105. What are additional General Purpose Branch Circuits?

106. What Are Multi-wire Branch Circuits?

107. What exactly are Pull Box Dimensions?

108. The Minimum Box Length is calculated in what way?

109. Tell the total of all of the following measures to angle pulls.

110. What substance is used as wire insulation?

111. Do you realize the power your kitchen possesses?

112. What is the Energy Consumption?

113. Provide AWG industry value?

114. Why are fuses unaffected by voltage?

115. What are Ghost Loads, exactly?

116. What is the outside temperature?

117. What's the location of the wattage?

118. How do you determine conductor size?

119. Who has smaller AWG numbers?

120. What the Power Rating is based on?

 121. What is amplitude?

122. What Do "Cable" and "Wire" Mean When Referring to Appliances?

123. What are the Conductor's Areas?

124. What AWG? 

125. What is the Vacant Conductor?

126. What is Structural Wire?

127. What is Cluster Stranding?

128. What are Butt-Splices?

129. What Covert Cables Are There?

130. What is Bus?

131. What is Cable, exactly?

132. What is string assembly, exactly?

133. What does Filler for Cable mean?

134. What exactly is cabling?

135. What is Radial Mil, exactly?

136. What is Coating, exactly?

137. What is Coiled Cable, exactly?

138. What is the Code of Color?

139. What is Compound Unilay, exactly?

140. What exactly is a small-sized stranded conductor?

141. Define Stranding when compressed 

142. Define Compound 

143. What is the Strand's constriction?

144. Define Concentricity

145. Define Regulatory Cable

146. What is Cord?

147. What is Core?

148. What does Area across Sections mean?

149. What is the current carrying capacity?

150. Define multi-conductor cable.

100. A guitar pickup or microphone is further used. Voltage is produced when sound strikes the crystal.

101. Magnets produce flux lines. An EMF is produced when a conductor breaks one of these flux lines. Steam turbines and hydroelectric dams utilize this technology.

102. Give the electrons energy. It resembles compressing a spring in many ways. Later, the compressed spring's energy can be employed to perform work.

103. A circuit breaker board is present in each structure with electrical wiring. This panel is typically a box of metal mounted to the wall and loaded with switches. Each switch in the house has linked to an electrical circuit. Each switch has a branch circuit that connects it to the building's appliances.

104. A branch of the circuit that only serves one piece of equipment for use. A circuit that only supplies one piece of utilization equipment such as motor is known as an individual branch circuit.

105. 120-volt general-purpose branches power lighting fixtures and outlets for most small portable appliances.

106. A multi wire branch network typically has two or more unsupported conductors with a voltage between them, a grounded conductor with an equal voltage within it and each unsupported conductor of the circuit, and a based conductor associated with the neutral or rooted conductor of the system.

107. Pull boxes are versatile devices used in straight or angled pull configurations. They make it possible to install lengthy stretches of wiring in a shorter amount of time. Pull boxes don't contain wiring connections inside.

108. Minimum Box Length = Largest Raceway Size divided by 8. Assuming your racetrack is 3:

Minimum Box Length=24

109. Suppose a pull box includes three raceways with sizes of 4", 2", and 2" and a 90° turn. The following calculation process would be used: The diameter of the raceway is six times larger (6 x 4" = 24").Total of every other raceway diameters is equal to 2" + 2" = 4".Total = 24" + 4" = 28"

110. Copper is used as the conductor, and an insulating sheath, known as wire insulation.

111. An exclusive 240/250-volt, 50-amp circuit is typically required for an electric range. You must set up a 6/3 New Mexico cable or sixth THHN wiring in a conduit to feed the range. However, a gas range needs a 120/125-volt outlet to operate the vent hood and range controls.

112. Energy consumption is calculated as Power consumption times the number of hours a device uses.

Power consumption is measured in Watts (W) or Kilowatts (kW)

Hours (h) = Number of Operated Hours

113. The smallest conductor allowed for industrial or commercial buildings is copper 12 AWG.

114. Fuses are not affected by voltage; they explode when an electrical current that is excessive for their capacity is sustainably sent through them for an extended length of time.

115. When an appliance is shut "off," many still use a tiny amount of power that is called ghost load

116. Any temperature that prevails throughout a specific area.

117. The specified wattage represents the maximum power that the appliance can use. 118. When determining the appropriate size conditions as follows:

1. There's just one hermetic motor as the load type. 

2. The type of load is combination loads.

119. Larger-diameter conductors typically have smaller AWG numbers.

120. The actual quantity of power consumed varies depending on the setting utilized at any one time.

121. The largest variation from the balance of a point on a wave. It is equivalent to the vibration path's half-length.

122. Insulated wire and cable designed for wiring the interior of appliances and other types of equipment.

123. A conductor's cross-sectional area, expressed in square inches, circular mils, etc.

124. American Wire Gauge's abbreviation. Is a common method used in the US to construct electrical conductor sizes based on the geometric evolution of two conductor sizes?

 125. A conductor without a cover. A copper conductor without any cladding or coating

126. A 600-volt or less power and lighting wire is typically left outside.

127. A collection of identical-diameter wires that have been loosely coiled together.

128. A splice in which two wires from opposing ends bump up against one another or stop in the middle.

129. A wire that is buried underground without using subterranean conduit.

130. A wire that joins two terminals in an electrical device, two conductors joined by a butt, end to end, axes aligned, no overlap.

131. A collection of parallel or twisted individually insulated conductors that may or may not be covered all around.

132. A finished cable with all of the necessary installation components.

133. The substance is utilized across several conductor cables to fill the voids produced as a result of assembling components, producing a core that shape is often cylindrical.

134. The act of twisting several insulated conductors together to create a cable.

135. A circle of diameter of 1 mil (.001") has a surface area of 7,845 x 10-7 square inches. Utilized to express the cross-sectional area of the wire.

136. A substance that is placed on the surface of a conductor to enhance electrical performance, make soldering easier.

137. A cable made up of two cylinder-shaped conductors featuring a common axis and a dielectric between them.

138. A method of circuit identification that makes use of contrasting tracers and solid colors

139. A stranding arrangement that employs two strand sizes to reduce the conductor diameter by 3% without compression.

140. A conventional or unidirectional conductor built to a specific diameter with a nominal diameter of 8 to 10% less than a non-compact conductor with the same sectional area.

141. A stranding pattern with concentric strands reduces the conductor diameter by 3% by either going through a die with all the layers or only the outer layer.

142. A material used as insulation or a jacket is formed by combining 2 or more elements.

143. A fixed, spherical, geometric arrangement of one or more multiple layers of horizontally wound strands around a center wire.

144. Measuring the distance between the geometric center of the surround insulation and the conductor's center in a wire or cable.

145. A multi-conductor cable designed for use in signal or control circuits.

146. A thin, flexible cable that is insulated.

147. A component or group of components used in cables over which additional parts (shields, sheath, etc.) have been fastened.

148. The area of a conductor that is exposed when the conductor is severed perpendicular to the longitudinal plane. This area can be expressed as square millimeters.

149. The highest continuous current that an insulated wire or cable can support without going above its temperature rating. Additionally known as ampacity.

A conductor is a wire suitable for carrying current but has no insulation surrounding it.

150. A multi-conductor cable called a regulatory cable is intended for use in circuits that control or send signals.