Exam 1 September 2019, questions and answers PDF

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MULTIVECTORPrepared By: The minimum size of copper equipment grounding conductor required for equipment connected to a 40 A branch circuit is _____. Ans. 5 sq. mm A single grounding electrode is permitted when the resistance to ground as stated in the PEC is _____. Ans. 25 ohms or less This principl...

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ESAS OBJECTIVES MULTIVECTOR 1. The minimum size of copper equipment grounding conductor required for equipment connected to a 40 A branch circuit is _____. Ans. 5.5 sq. mm 2. A single grounding electrode is permitted when the resistance to ground as stated in the PEC is _____. Ans. 25 ohms or less 3. This principle states that “where the velocity is high, the pressure is low, and where the velocity is low, the pressure is high”. Ans. Bernoulli’s principle

c. Taken 3 years of BSEE with apprenticeship d. Graduate of BSEE Ans. D 12. Which of the ff is non-renewable energy? a. Nuclear c. Solar b. Wind d. Geothermal Ans. A 13. What is JCPC in EPIRA stands for? Ans. Joint Congressional Power Commission 14. What is PEMC in EPIRA stands for? Ans. Philippine Electricity Market Corporation

4. Chemical formula for sulfur trioxide. Ans. SO3

15. What is TSC in EPIRA stands for? Ans. Transition Supply Contract

5. The charge of aluminum atom in the aluminum bar is _____. Ans. 0

16. The rate of change of shear strain in a fluid is _____. Ans. strain rate

6. What is CPE in RA 7920 stands for? Ans. Continuing Professional Education

17. In RA 7920, under the Penalty Clause, the fine shall be _____. Ans. not less than P10,000

7. PSALM in EPIRA stands for? Ans. Power Sectors Assets and Liabilities Management 8. It is the sum of the internal energy and PV. Ans. Enthalpy 9. A boy and his sledge weighs m, on an inclined surface with angle of inclination of phi, and coefficient of friction µ. What is the frictional force? Ans. µmgcosphi 10. Two sky divers jump at the same time and want to play catch. Where should one aim if he wants the other to catch it? Ans. Straight because there’s no air resistance 11. Which of the ff is not part of the requirements to take RME? a. Taken 1 year electrician course and 3 years apprenticeship b. Taken 2 years electricians course and 2 years apprenticeship Prepared By: SAMONTE, HERSHEY BABAGAY

18. In thermodynamics our attention is focused on which form of energy? Ans. internal energy 19. The length of free conductors at outlets and switch point for splices and connection of fixture and devices must be at least _____. Ans. 150 mm 20. It is the process of determining the value or worth of a physical property for specific reason. Ans. valuation 21. An annuity where the payments are made at the beginning of each period. Ans. annuity due 22. Sec. 17 (b) of Art. III: Examination and Registration, Qualifications of Applicants for Registered Electrical Engineer, states that an applicant is at least _____ years of age. Ans. 21 CNSC BATCH 2017

ESAS OBJECTIVES MULTIVECTOR 23. The machine that is employed for converting the energy of flow in a pipeline into mechanical work is called _____. Ans. turbine 24. The equipment grounding conductor of a branch circuit shall be identified by what color? Ans. green and yellow

34. The minimum size of conductors to be used for lighting purpose is _____. Ans. 2.0 sq. mm 35. LED represents _____. Ans. Light Emitting Diode 36. What is the chemical formula for ammonia? Ans. NH3

25. The most important element that controls the physical properties of steel. Ans. carbon

37. Empirical formula for C2H6? Ans. CH3

26. Spark plug makes use of what material for insulation? Ans. Porcelain

38. Maximum distance for support of rigid metallic conduit. Ans. 3000 mm

27. In electrochemistry, oxidation is loss of _____. Ans. electron

39. The minimum diameter of a steel ground electrode is _____. Ans. 16 mm

28. Maximum operating temperature of type THWN conductor? Ans. 75 deg C 29. Cash money and credit necessary to establish and operate on enterprise. Ans. capital 30. What is the form of moment diagram of a beam supported at both ends and carrying a uniform distributed load? Ans. parabola 31. Every object continues in its state of rest, or of uniform velocity in a straight line, as long as no net force acts on it. This statement is in accordance to _____. Ans. Newton’s First Law of Motion 32. The first period contains how many elements? Ans. 2 33. Any equipment which produces, modifies, regulate or controls the supply of electric energy is the _____. Ans. Electric Supply Equipment

Prepared By: SAMONTE, HERSHEY BABAGAY

40. What is a substance that speeds up a chemical reaction without itself undergoing a chemical change? Ans. catalyst 41. In EPIRA, what does OARC stands for? Ans. Open Access and Retail Competition 42. A software that is commonly known as firmware. Ans. BIOS 43. What is the risk in operating restaurant? Ans. safe 44. What is the factor name for the formula (1 + i)-n? Ans. single payment present worth 45. At what point is the applied force minimal in opening a hinge door? Ans. farthest the hinge 46. What do you call negative gage pressure? Ans. vacuum 47. Common cause of failure of termination of cable. Ans. penciling of insulation

CNSC BATCH 2017

ESAS OBJECTIVES MULTIVECTOR 48. The amount of lateral strain in a tension member can be calculated using _____. Ans. Poisson’s ratio

60. A written acknowledgement by a carrier that he has received the goods for shipment. Ans. Bill of lading

49. It is the price a buyer is willing to pay a willing seller for the stock. Ans. market value

61. Car A has a mass of 1000 kg and a speed of 60 km/hr and car B has a mass of 2000 kg and a speed of 30 km/hr. The kinetic energy of car A is _____. Ans. twice that of car B

50. A single grounding electrode is permitted when the resistance to ground does not exceed. Ans. 25 ohms 51. Gross profit, sales less cost of goods sold, as a percentage of sales is called _____. Ans. profit margin 52. _____ is regarded as father of computers. Ans. Charles Babbage 53. At what angle above the horizontal must the sun be in order that sunlight reflected from the surface of a calm body of water shall be completely polarized? Ans. 37 deg 54. If a disturbance is parallel to the direction of travel of a wave, the wave is classified as _____. Ans. longitudinal 55. Correct formula for aluminum sulfate. Ans. Al2(SO4)3

62. Battery acid is the common name for _____. Ans. sulfuric acid 63. What engine is normally the least efficient? Ans. gasoline engine 64. Electrical symbol represented by a broken line. Ans. open wiring 65. Which of the ff is not a unit of power? a. Joule-second c. newton-m/s b. Watt d. horsepower Ans. a 66. RA 7920, rule 2 (d) defining? Ans. Board of EE 67. Which of the ff sizes of fuse is NOT standard? a. 80 A c. 125 A b. 45 A d. 75 A Ans. d

56. The viscosity of fluid varies with _____. Ans. temperature

68. What is the temperature rating of THHN insulation? Ans. 90 deg C

57. Which of the ff is NOT a vector quantity? a. Displacement c. Speed b. Acceleration d. Momentum Ans. c

69. A type of annuity where the payments are made at the start of each period, beginning from the first period. Ans. annuity due

58. A device used to keep moisture from passing through the system is called _____. Ans. dehydrator

70. The product of force and the time during which it acts is known as _____. Ans. impulse

59. It is a process of mixing water with air either by spraying water or diffusing air through it. Ans. Aeration

71. Formula for calcium chloride. Ans. CaCl2

Prepared By: SAMONTE, HERSHEY BABAGAY

CNSC BATCH 2017

ESAS OBJECTIVES MULTIVECTOR 72. An elevator is pulled by a cable at constant speed. The tension in the cable is equal to _____. Ans. the weight

83. At least how many receptacle outlets shall be installed in the bathroom? Ans. 1

73. Branch circuit larger than _____ A shall supply only non-lighting outlet load. Ans. 50

84. When an object exerts a force on another object, the second object exerts on the first a force of the same magnitude but in opposite direction. This statement is in accordance to _____. Ans. Newton’s Third Law of Motion

74. The standard atmospheric pressure in meters of ammonia is (ῥ = 600 kg/cu. m) is _____. Ans. 17 m 75. Prefix 10^15 is _____. Ans. peta 76. What refers to the diffusion of a solvent into a stronger solution in an attempt to equalize the two concentrations? Ans. osmosis

85. The moody diagram is used in fluid mechanics to obtain _____. Ans. friction factor 86. The coils of dc motor starter are wound with wire of _____. Ans. manganin 87. The chemical shorthand for molybdenum is _____. Ans. Mo

77. A measure of how it emits radiant energy in comparison with a blackbody at the same temperature. Ans. emissitivity

88. What two metals combine to give galvanized metal? Ans. zinc and iron

78. What is the temperature of a TW insulated conductor? Ans. 60 deg C

89. The pressure of a gas is directly proportional to the Kelvin temperature in _____. Ans. Gay-Lussac’s law

79. A graphical device used to convert a truth table to its corresponding logic circuit in a simple, orderly process. Ans. Karnaugh map

90. The external pressure applied to a confined fluid increases the pressure of every point in the fluid by an amount equal to the external pressure. This is known as _____. Ans. Pascal’s Principle

80. The members of the board shall hold the office for a term of _____ years from the date of appointment or until their succession shall have been appointed and qualified. Ans. 3 81. Define WESM? Ans. Wholesale Electricity Spot Market 82. All the powers of the TRANSCO shall be vested in and exercised by a board of directors. Who will be the ex-officio Chairman of the Board? Ans. Secretary of the Department of Finance Prepared By: SAMONTE, HERSHEY BABAGAY

91. Maximum distance between busway support. Ans. 1500 mm 92. Which of the ff holds true for any given material? a. 1/3 ≥ G/E ≥ ½ c. 1/3 > G/E ≥ 1/2 b. ½ > G/E > 1/3 d. ½ ≥ G/E ≥1/3 Ans. b 93. What charge has the elements belong to the group 2? a. 2 c. -2 b. 1 d. -1 Note: No answer in Multi CNSC BATCH 2017

ESAS OBJECTIVES MULTIVECTOR 94. What does UPS mean? Ans. Uninterruptible Power Supply

105. The path of a projectile is _____. Ans. parabola

95. What device could be used to determine whether the substance is radioactive? Ans. Geiger Counter

106. During an isentropic process, which of the ff is true? a. The temperature increases as the pressure decreases. b. The temperature increases as the volume increases. c. The heat transfer equals the enthalpy change. d. The heat transfer is zero. Ans. d

96. Which is not a standard device protection rating? a. 50 b. 1500 c. 225 d. 110 Ans. b 97. It is responsible for the procurement and administration of funds with the view of achieving the objectives of business. Ans. finance 98. A device used to measure atmospheric pressure is called _____. Ans. barometer 99. What is RES stands for in EPIRA? Ans. Retail Electricity Suppliers 100. a. b. c. d. Ans. b

wave

requires

medium

110. RA 7920, rule 2 (d) defining? Ans. Board of EE

for

102. A substance formed by the union of two or more chemical elements in a definite proportion that can be only be separated by chemical means. Ans. compound 103. The viscosity of fluid varies with _____. Ans. temperature 104. What is the strong bond between hydrogen atoms known as? Ans. covalent bond Prepared By: SAMONTE, HERSHEY BABAGAY

108. Minimum size of service drop copper conductors allowed by the PEC. Ans. 8.0 sq. mm 109. Varignon’s theorem is used to determine the _____. Ans. location of centroid

Which is not a unit of power? Joules/second Newton-seconds Watts Calories/second

101. What transmission? Ans. sound

107. Which one of the ff elements has the largest atomic radius? a. Lithium b. Sodium c. Beryllium d. Magnesium Ans. b

111. Galvanized iron is a term referring to iron coated with _____. Ans. Zinc 112. Article III of Code of Ethics for Electrical Engineers contains _____. Ans. SEC 1 to 7 113. What metal is protected by a layer of its own oxide? Ans. aluminum 114. A voltage level exceeding 1 kV up to 34.5 kV. Ans. Medium Voltage

CNSC BATCH 2017

ESAS OBJECTIVES MULTIVECTOR 115. A force causing a rise of a liquid in tubes of smaller diameter. Ans. capillarity 116. Accounting book in which are recorded the credits and debts of commercial transactions. Ans. ledger 117. all? Ans. 45

126. Work is measured in the same units as _____. Ans. energy

RA 7920 contains how many sections all in 127. The critical angle is the angle of incidence that produces an angle of refraction of _____. Ans. 90 deg

118. The most important element that controls the physical properties of steel. Ans. carbon 119. a. b. c. d. Ans. b

125. Funds supplied and used by owners of an enterprise in the expectation that a profit will be earned. Ans. equity capital

Which is a scalar quantity? Force Energy Displacement Velocity

120. A fluid property which refers to the intermolecular attraction by which the separate particles of the fluid are held together. Ans. cohesion 121. When the velocity of an object is tripled, another quantity which is tripled at the same time is the objects _____. Ans. momentum 122. The electric power industry is divided into how many sectors? Ans. 4 123. A substance existing the gaseous phase but relatively near its saturation temperature is known as _____. Ans. vapor 124. How many atoms are there per unit cell for a face centered cubic structure? Ans. 4

Prepared By: SAMONTE, HERSHEY BABAGAY

128. If an object is going north, the direction of the frictional force is _____. Ans. south 129. The overall energy program formulated and updated yearly by the DOE and submitted to Congress pursuant to RA 7638. Ans. Philippine Energy Plan (PEP) 130. What is the distance between two consecutive points in phase on a wave called? Ans. wavelength 131. What is the temperature when water and vapor are in equilibrium with the atmospheric pressure? Ans. steam point 132. The engines on a commercial jet aircraft operate on which of the basic cycles? Ans. Brayton 133. In RA 9136, what do you call a market that there is no choice to select a supplier of electrical energy? Ans. Captive Market 134. Type TW conductors have a maximum operating temperature of _____. Ans. 60 deg C 135. What is produced when calcium carbide is mixed with water? Ans. Acetylene

CNSC BATCH 2017

ESAS OBJECTIVES MULTIVECTOR 136. The minimum size of conductors for lighting purposes is _____. Ans. 2.0 sq. mm

146. Hydrogen reacts with what element to form ammonia? Ans. nitrogen

137. RA 9136 has four sectors, which of the ff is not included? a. Supply b. Distribution c. Generation d. System Operation Ans. d

147. The length of time, usually in years for the cumulative net annual profit to equal the initial investment is called _____. Ans. payback period

138. What is the atomic packing factor for a simple cubic crystal? Ans. 0.52 139. Ans. Ca(OH)2

149. Ans. Al2O3

Formula for aluminum oxide.

Formula for Calcium Hydroxide.

140. Those funds that are required to make the enterprise or project a going concern. Ans. working capital 141. The materials with the highest heat conductivities are the _____. Ans. metals 142. It is defined as a measure of the amount of negative ions in the water. Ans. alkalinity 143. Which of the ff is usually assumed to be reversible? a. Paddle wheel b. Compressing a gas c. Melting an ice cube d. A burst membrane Ans. b 144. Ans. H2SO4

148. What do you call the horizontal arrangement of elements of increasing atomic number in the periodic table? Ans. period

Formula for Sulfuric acid.

145. Which of the ff is not a unit of power? a. Joule-second c. Horsepower b. Watt d. Newton-m/sec Ans. a

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150. The unrecovered depreciation results due to poor estimate as the life of equipment. Ans. sunk cost 151. Maximum distance between two outlets in a dwelling unit. Ans. 1800 mm 152. How many atoms are there in the unit cell of a BCC structure? Ans. 2 153. Maximum voltage allowed in dwelling units. Ans. 230 V 154. The minimum diameter of a steel ground electrode. Ans. 16 mm 155. The shorthand chemical name for bismuth is _____. Ans. Bi 156. What factor must be considered by the investor before he makes investment? Ans. rate of return 157. Ans. 802.11

The fastest method to transfer data.

CNSC BATCH 2017

ESAS OBJECTIVES MULTIVECTOR 158. The amount of lateral strain in a tension member can be calculated using _____. Ans. Poisson’s ratio 159. What element is present in all organic compounds? Ans. carbon 160. In a single phase, 3 wire electrical system, the middle conductor must be _____. Ans. grounded

170. Ans. Na2O

Formula for sodium oxide.

171. Ans. femto

Prefix 10-15 is _____.

172. Medium voltage cable insulations is rated for _____ volts or higher. Ans. 2001

161. Formula for Magnesium nitrite. Ans. Mg(NO2)2

173. When oxygen combines with an element to form a compound, the resulting compound is called _____. Ans. an oxide

162. When gases expand and mix with other gases to fill available space, it is called _____. Ans. diffusion

174. The speed with which a liquid escapes from a vessel through an orifice is given by _____. Ans. Torricelli’s Theorem

163. The element that provides the electrical power to the components in the computer box is _____. Ans. power supply

175. What law deals with the mixture of gases? Ans. Dalton’s law

164. If the number of molecules in an ideal gas is double and the volume is doubled, by how much does the pressure change if the temperature is held constant? Ans. no change 165. If a fluid “fails” in a piping system, the “failure” is related to which of the ff properties? Ans. vapor pressure 166. Ans. AIN

Formula for Aluminum nitride.

167. Ans. pico

The prefix 10-12 is _____.

168. The “lead” in a lead pencil is _____. Ans. graphite and clay 169. A conduit bend needed if the conduit end is running through an outlet box for connection of lighting fixture, convenience outlet etc. Ans. offset bend Prepared By: SAMONTE, HERSHEY BABAGAY

176. The ability of the surface of material to reflect light is called _____. Ans. Lustre 177. The elements in the present Periodic Table are arranged according to their _____. Ans. atomic numbers 178. Charle’s law relates to _____. Ans. constant pressure 179. Bernoulli’s law for fluid is based on principle of _____. Ans. conservation of energy 180. A method of identifying the location of a given data record by its name. Ans. Hashing 181. Falling drops of water become spherical due to _____. Ans. surface tension 182. In toll steels, what does the prefix letter P stand for? Ans. Mold CNSC BATCH 2017

ESAS OBJECTIVES MULTIVECTOR 183. Ans. CHED

RA 7920, Rule 2 (o) defining?

184. It is a general name to a wide range of alloys containing iron, carbon and silicon and to a lesser extent, manganese, phosphorous and sulfur. Ans. Cast Iron 185. What refers to the diffusion of a solvent into a stronger solution in an attempt to equalize the two concentrations? Ans. Osmosis 186. The term “brass” is very commonly used to designate any alloy primarily _____. Ans. copper and zinc 187. Article IV, Rule _____. Requirements for examination as REE. Ans. 16 188. Section 2, Article I states that _____. Ans. An electrical engineer shall uphold the honor and dignity of his profession and,...