MCQ in Mechanical Engineering Law and Code of Ethics Part 4 | ME Board Exam

(Last Updated On: December 31, 2020)

This is the Multiple Choice Questions Part 4 of the Series in Mechanical Engineering Law and Code of Ethics as one of the Mechanical Engineering topic. In Preparation for the ME Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Mechanical Engineering field, Philippine Society of Mechanical Engineering Code (PSME), Mechanical Engineering Books, Journals and other ME References. I assume you are looking for a reviewer that will help you achieve your goal to become a License Mechanical Engineer very soon. Yes, you are in the right place to make your dream come true. Make sure to familiarize each and every questions to increase the chance of passing the Mechanical Board Examination.

MCQ Topic Outline included in ME Board Exam Syllabi

• MCQ in Mechanical Engineering Law
• MCQ in Mechanical Engineering Code
• MCQ in Code of Ethics of Mechanical Engineers
• MCQ in Obligation and Contracts

Continue Practice Exam Test Questions Part 4 of the Series

⇐ MCQ in Mechanical Engineering Law and Code of Ethics Part 3 | ME Board Exam

Choose the letter of the best answer in each questions.

151. The temperature of the air to be used for comfort cooling shall be maintained at ____ degree C.

a. 10 – 15

b. 15 – 20

c. 20 – 23.3

d. 21.1

152. The humidity of the air to be used for comfort cooling shall be maintained at _____ relative humidity.

a. 55% to 60%

b. 50% to 55%

c. 60% to 65%

d. 70% to 75%

153. Refrigerant piping crossing an open space which affords passageway in any building shall not be less than ____ above the floor unless against the ceiling of such space.

a. 2290 mm

b. 2570 mm

c. 2920 mm

d. 3450 mm

154. When refrigerant is added to a system, it shall be charge in the ____ pressure side of the system.

a. High

b. Low and high

c. Low

d. Low or high

155. The carbon dioxide concentrated when measured 910 mm above the floor shall not exceed ____ ppm.

a. 50

b. 75

c. 100

d. 150

156. A refrigeration system having two or more refrigerant circuits, each with a pressure-imposing element, condenser and evaporator, where the evaporator of one circuit cools the condenser of another circuit.

a. Brine

b. Mechanical

c. Cascade

d. None of these

157. A substance which produces a refrigerating effect by its absorption of heat while expanding or evaporating.

a. refrigerant

b. Air

c. Water

d. Brine system

158. Any liquid cooled by the refrigerant and used for the transmission of heat without a change in its state.

a. Mercury

b. Brine

c. Water spray

d. Water cooler

159. The chemical name of refrigerant 12.

a. Carbon dioxide

b. Dichloromethane

c. Dichlorodifluoromethane

d. Methyl chloride

160. The chemical symbol of ammonia:

a. SO

b. H₂O

c. NH₃

d. C₄H₁₀

161. The chemical symbol of Freon 12:

a. CHCl₂F

b. C₃H₅

c. CCl₂F₂

d. CO₂

162. Suitable means shall be provided for the collection and disposal of condensate from the equipment. The condensate drain shall be at least ____ nominal pipe size and shall be copper, galvanized steel, or other corrosion-resistant material.

a. 19 mm

b. 23 mm

c. 25 mm

d. 90 mm

163. An indirect refrigerating system employing water as the circulating system.

a. Chilled water

b. vapor

c. Brine spray

d. Heating system

164. This is the ratio of the actual weight of moisture to the weight of saturated water vapor of mixture.

a. Humidity

b. Specific weight

c. Density

d. Specific gravity

165. A vessel in which vaporized refrigerant is liquefied by the removal of heat.

a. Condenser

b. Compressor

c. Evaporator

d. Brine tank

166. Science of water at rest

a. Hydrostatics

b. Hydraulic

c. Hydrodynamics

d. Hydrokinetics

167. Science of the force exerted by water in motion

a. Hydrostatics

b. Hydraulic

c. Hydrodynamics

d. Hydrokinetics

168. It is the reading of a liquid manometer at the suction of the pump.

a. Suction lift

b. Static head

c. Suction head

d. Total head

169. Used to measure the pressure of water discharging from a nozzle.

a. Manometer

b. Piezometer

c. Pitot tube

d. Flow meter

170. The level with respect to the pump, of the body of water from which it takes suction when the pump is not in operation.

a. Static water level

b. Drawdown

c. Pumping water level

d. Dynamic level

171. The vertical difference between the pumping water level and static water level.

a. Total head

b. Pump level

c. Static head

d. Draw-down

172. An underground formation that contains sufficient saturated permeable material to yield significant quantities of water.

a. Aquifer

b. Cavitation

c. Wet pit

d. NPSH

173. The reading of a pressure gage at the discharge of the pump plus velocity head at the point of gage attachment.

a. Total discharge head

b. NPSH

c. Total head

d. Suction head

174. Is the rate of flow of liquid measure per unit of time.

a. Capacity

b. Velocity

c. Pump work

d. Pump head

175. A type of valve installed between the suction of pump and water mains to prevent any return to mains when pump is stopped.

a. Globe valve

b. Discharge valve

c. Suction valve

d. Check valve

176. Valve design to pen automatically to relieve excess pressure.

a. Check valve

b. Gate valve

c. Relief valve

d. Medium valve

177. _______ is a hollow product of round or any cross section having a continuous periphery.

a. Pipe

b. Valve

c. Tube

d. Coupling

178. A large pipe or drum into which each of a group of boilers is connected.

a. Muffler

b. Manifold

c. Header

d. Expansion loop

179. Medium pressure, when applied to valves and fittings, implies they are suitable for a working pressure of from ______ kPa.

a. 862 to 1207

b. 955 to 1345

c. 1207 to 1506

d. 1345 to 1750

180. All piping shall be run ______ to building walls

a. Opposite

b. Inclined

c. Parallel

d. Slope

181. Piping supports shall be placed ____ mm intervals or less.

a. 3000

b. 4500

c. 4000

d. 6000

182. Piping color for hazardous services:

a. Safety red

b. Orange

c. Safety yellow

d. No color

183. Which of the ff. statements for piping system is correct?

a. All piping to headers shall come from below rack.

b. All piping from headers shall go up above rack.

c. All piping shall be reasonable cleaned before installation.

d. All of these

184. A fitting with a number of branches in the line connecting to smaller pipes.

a. Manifold

b. Major pipe

c. Small pipe

d. Valve

185. A large radius bend in a pipe line to absorb longitudinal expansion in the line due to heat

a. Expansion loop

b. Compression joint

c. Expansion joint

d. Compression loop

186. For fire protection purposes, is an integrated system of one or more water supplies for use, underground and overhead piping design.

a. Sprinkler system

b. Storage system

c. Container system

d. Fire protection system

187. Class, of fire involving ordinary combustible materials such as wood, cloth, paper, rubber and plastics.

a. Class A

b. Class B

c. Class D

d. Class E

188. Class of fire in inflammable liquids and gases.

a. Class A

b. Class B

c. Class D

d. Class E

189. Class of fire involving combustible metals, such as magnesium, sodium, titanium and other similar metals.

a. Class A

b. Class B

c. Class C

d. Class D

190. Class of fire involving energized electrical equipment.

a. Class A

b. Class B

c. Class C

d. Class D

191. An organization in-charge with the mission of fire prevention, fire protection.

a. Fire service

b. Fire hose

c. Fire building

d. Fire storage

192. Materials and their packaging which will neither ignite nor support combustion

a. Non-combustibles

b. moderate

c. Combustibles

d. None of these

193. The term designates commodities, packaging or storage aids which will not ignite, burn or liberate flammable gases when heated to a temperature of 749 degree for five minutes.

a. Non-combustibles

b. Medium

c. Combustibles

d. None of these

194. Materials either of which will contribute fuel to fire.

a. Extra

b. moderate

c. Combustibles

d. High

195. Type of fire extinguishers that is used by the occupants of a building primarily for immediate use of small fires.

a. Portable

b. Indoor

c. Outdoor

d. Miniature

196. The amount of variation permitted in the part of total variation allowed in a given dimension.

a. Tolerance

b. Allowance

c. Sensitivity

d. Accuracy

197. The minimum clearance space intended between the mating parts and represents the condition of tightest possible fit.

a. Allowance

b. Space

c. Clearance

d. Correction

198. The most generally used graduated measuring instrument for approximately determining linear dimensions:

a. Calipers

b. Level

c. Gages

d. Rules

199. Directly reading calipers which are accurate up to the thousandth of a centimeter.

a. Vernier

b. Tapered

c. Slide

d. Dial

200. A tool for checking the flatness of plane surfaces to tenths-of-thousands of a centimeter.

a. Dial indicator

b. Level

c. Planimeter

d. trammels

201. Devices used to determine whether the part has been made to the tolerance required.

a. Gages

b. Level

c. Inside micrometer

d. None of these

202. Instrument that measures speed:

a. Tachometer

b. Counter

c. Speedometer

d. Balancer

203. Instrument to measure the relative humidity of the atmospheric air which is important as comfort factor.

a. Humeter

b. Water meter

c. Psychrometer

d. Flow meter

204. A temperature measuring instrument in which the voltage, generated at the junction of two dissimilar metal wires indicates the degree of temperature.

a. Thermocouple pyrometers

b. Electrical thermometer

c. Mercury thermometers

d. Oxygen bomb

205. A temperature measuring instrument which the temperature is determined by matching the luminosity of the hot body.

a. Radiation pyrometer

b. Bourdon

c. Optical pyrometer

d. Electronic

206. A temperature measuring instrument in which there is an expansion or contraction of a liquid corresponding to the changes in temperature.

a. Pyrometer

b. Liquid-filled glass

c. Mercury thermometer

d. Industrial thermometer

207. Most useful close-tolerance measuring devices for quick and accurate measuring to the thousands part of a centimeter.

a. Micrometer calipers

b. Balancer

c. Dial

d. Ultrasonic

208. This is used for speed measurement with indicating dials calibrated throughout the range 700 to 14,000 rpm and especially valuable where it is convenient to make a connection or contact with the rotating shaft.

a. Stroboscope

b. Speedometer

c. Counter and timer

d. Humeter

209. Instruments for measuring the flow of gas or air consist of a set of rotating vanes placed at an angle of 45 deg to the axis of flow and free to rotate about an axis set in jeweled bearings.

a. anemometers

b. Pitot tube

c. Electrical meters

d. Flow-nozzle

210. An instrument consist of a rectangular head graduated in degrees along a semicircle, with a blade pivoted on the center pin, any angle from 0 to 180 deg can be set

a. Protractor

b. Calipers

c. Dividing head

d. Angle gage blocks

211. As a general space requirement, the maximum number of persons working or will be working shall not exceed ______

a. One person per 8 m³

b. One person per 10 m³

c. One person per 12 m³

d. One person per 18 m³

212. As a general space requirement for work rooms shall be at least _____ in height from floor to ceiling.

a. 1 m

b. 2 m

c. 3 m

d. 2500 mm