TOP MECHANICS

Here are the answers to the questions on Power Elements Part 2 posted last August 9, 2010. 1. A reserve generating capacity that is in operation but not in service. A. Hot reserve 2. Another term for Lower Heating Value (LHV). C. Net Calorific Value 3. In a refrigeration system, it controls the flow of refrigerant manually. C. Gate Valve 4. The ratio of the dynamic depression head to the total head of a pump. A. Cavitation factor 5. A device used to determine the water level in the boiler. D. Gauge cock 6. A device in the fuel system that mixes gasoline with air. A. Carburetor 7. Comparing Diesel and Gasoline engines, which of the following is true? D. Operating temperature of Diesel Engines are higher 8. Which of the following is true in pH value? C. pH 7 represents neutral value 9. Reversible adiabatic expansion is at constant… C. Entropy 10. The temperature at which vapor starts forming above the surface of liquid fuels. B. Flash point Link to Questio

Below are the answers to the Part 3 of Power and Industrial Plant Engineering Questions posted last August 25, 2010. 1. Measure of relative hotness or coldness of a body. D. Temperature 2. A device that automatically controls the speed of an engine. D. Governor 3. When heat is added in a mixture of moisture and air, which of the following is true? B. The absolute humidity remains the same 4. Adding a small amount of salt in water will… A. Increase the boiling point 5. If the wet bulb and the dry bulb temperatures are the same, what can we say about the air in the space? C. It is saturated 6. Which of the following scenario will increase the likelihood of cavitation in pumps? D. The fluid temperature is raised 7. The indicator used to determine the anti-knock property of gasoline engines A. Octane number 8. Which of the following is used to determine if there’s a halogen leak? C. Halide torch 9. A valve that that allows the fluid to follow in one direction only

This is the third part of Mechanical Engineering board exam review questions in Power and Industrial Plant Engineering. Instruction: Choose the BEST answer. 1. Measure of relative hotness or coldness of a body. a. heat b. Absolute temperature c. Relative humidity d. Temperature 2. A device that automatically controls the speed of an engine. a. Rotameter b. Tachometer c. Speedometer d. Governor 3. When heat is added in a mixture of moisture and air, which of the following is true? a. The wet bulb temperature decreases b. The absolute humidity remains the same c. The dry bulb temperature decreases d. The relative humidity increases 4. Adding a small amount of salt in water will… a. Increase the boiling point b. Decrease the boiling point c. The boiling point will remain the same d. The freezing point will not change 5. If the wet bulb and the dry bulb temperatures are the same, what can we say about the air in the space? a. It is completely dry b. It has a l

Here are the answers to the questions in Mechanical Engineering Laws in the Philippines posted last August 21, 2010. 1. Prior to Republic Act 8495, what law governs the practice of mechanical engineering the Philippines? B. Commonwealth Act No. 294 2. If the rated scores of an examinee in a board exam are 85, 82, and 48 in Math, Power, and Design subjects respectively (average: 72.85%), what will be the overall result? B. Fail Section 18 3. Which of the following is NOT a required qualification for being a member of the Board of Mechanical Engineering (BME)? B. Naturalized or born Filipino citizen Section 5 4. A foreign mechanical engineer may only be allowed to practice mechanical engineering in the Philippines if his country also allows Filipino mechanical engineers practice under similar provisions like those in RA8495. This policy is also known as a. A. Foreign Reciprocity Section 39 5. According to RA 8495, where will the budget to implement Mechanical Engineering

Here are some questions in ME laws in the Philippines based on RA 8495. Instruction: Choose the BEST answer. 1. Prior to Republic Act 8495, what law governs the practice of mechanical engineering the Philippines? a. Republic Act No. 5124 b. Commonwealth Act No. 294 c. Commonwealth Act No. 293 d. Republic Act No. 2934 2. If the rated scores of an examinee in a board exam are 85, 82, and 48 in Math, Power, and Design subjects respectively (average: 72.85%), what will be the overall result? a. Pass b. Fail c. Removal exam d. Deferred 3. Which of the following is NOT a qualification for being a member of the Board of Mechanical Engineering (BME)? a. Must be at least thirty-five (35) years of age b. Naturalized or born Filipino citizen c. Has never been convicted of any offense involving moral turpitude d. A Professional Mechanical Engineer with a valid professional license and an active practitioner as such, for not less than ten (10) years prior to his appointment 4.

Here are the answers to the board exam review questions in Materials and Heat Treatmen t part 3 posted last August 17, 2010. 1. A special alloy of lead and tin that is commonly used in bearing applications. B. Monel 2. It is the load-bearing characteristics of a material under relative motion. D. Lubricity 3. Annealing in such a way that some or all of the carbon is precipitated as graphite. A. Graphitizing 4. It is used to designate the relatively soft central portion of certain hardened tool steels. A. Core 5. It is the prolonged heating of a metal at a selected temperature. D. Soaking 6. In heat treatment process, it is the critical or transformation point at which pearlite structure is transformed into austenite structure. B. Decalescence point 7. A case- hardening process whereby steel is heated in a carbon rich environment. C. Carburizing 8. A term used to refer to the product of the blast furnace and is made by the reduction of iron ore. A. Pig iron 9.

Here is the third set of review questions for Mechanical Engineer Board Exam in the topic: materials and heat treatment terms and elements. 1. A special alloy of lead and tin that is commonly used in bearing applications. a. Stellite b. Monel c. Babbitt d. Inconel 2. It is the load-bearing characteristics of a material under relative motion. a. Strength b. Toughness c. Resilience d. Lubricity 3. Annealing in such a way that some or all of the carbon is precipitated as graphite. a. Graphitizing b. Spheroidizing c. Age Hardening d. Precipitation Hardening 4. It is used to designate the relatively soft central portion of certain hardened tool steels. a. Core b. Nucleus c. Centro d. Heart 5. It is the prolonged heating of a metal at a selected temperature. a. Annealing b. Tempering c. Age hardening d. Soaking 6. In heat treatment process, it is the critical or transformation point at which pearlite structure is transformed into austenite structure. a. Reca

Here are the answers to the questions on Mathematics Terminologies posted last August 11, 2010. 1. The _____of a number are numbers that when multiplied with each other gives the value of the number. C. Factors 2. The _____ of a set of numbers is the smallest whole number factor that is common to all of them. B. Least Common Multiple 3. In the algebraic expression X-2, what is the minuend? B. 2 4. What mathematical property is demonstrated by this equation: a (b+c) = ab+ac? C. Distributive property 5. In ratio and proportion, the first and last terms in a proportion are called _______. B. Extremes 6. The rectangular coordinate system is also known as A. Cartesian Coordinate system 7. It is a series of numbers in which each consecutive term differs from the preceding one by a fixed amount D. Arithmetic progression 8. Which of the following should be used in calculating the volume of the revolution of an area? A. Pappus Rule B. Guldinus Rule 9. Which of the fol

Here are some questions on Mathematics terminologies (elements). 1. The _____of a number are numbers that when multiplied with each other gives the value of the number. a. Multipliers b. Least Common Multiple c. Factors d. Roots 2. The _____ of a set of numbers is the smallest whole number factor that is common to all of them. a. Multipliers b. Least Common Multiple c. Factor d. Roots 3. In the algebraic expression X-2, what is the minuend? a. X b. 2 c. -2 d. X-2 4. What mathematical property is demonstrated by this equation: a (b+c) = ab+ac? a. Closure Property b. Associative property c. Distributive property d. Commutative property 5. In ratio and proportion, the first and last terms in a proportion are called _______. a. Means b. Extremes c. Outliers d. Outer layer 6. The rectangular coordinate system is also known as a. Cartesian Coordinate system b. Polar coordinate system c. Spherical coordinate system d. Cylindrical coordinate system 7. It is

Here’s the second part of the questions on Power Plant and Industrial Plant Engineering terminologies. 1. A reserve generating capacity that is in operation but not in service. a. Hot reserve b. Firm power c. Prime power d. Spinning reserve 2. Another term for Lower Heating Value (LHV). a. Gross Calorific Value b. Least Calorific Value c. Net Calorific Value d. Actual Calorific Value 3. In a refrigeration system, it controls the flow of refrigerant manually. a. Float Valve b. Capillary tube c. Gate Valve d. Expansion valve 4. The ratio of the dynamic depression head to the total head of a pump. a. Cavitation factor b. Load factor c. Draw down d. Static suction lift 5. A device used to determine the water level in the boiler. a. Fusible plug b. hydrometer c. Bourdon gage d. Gauge cock 6. A device in the fuel system that mixes gasoline with air. a. Carburetor b. Condenser c. Injection pump d. Piston 7. Comparing Diesel and Gasoline engines, which of

Here are the answers to the second set of board exam review questions on the topic: Materials and Heat Treatment posted last August 6, 2010. 1. An alloy of copper and nickel. B. Monel 2. A light and non-magnetic metal with a better strength-to-weight ratio than any other metal at room temperature, and is used in corrosive environment applications. B. Titanium 3. A heat treatment process that promotes uniformity of structure and properties of steel. C. Normalizing 4. A heat treatment process that reduces internal stresses, caused by machining, cold working, or welding. B. Stress Relieving 5. A heat treatment process used to soften the steel for improved machinability and improve or restore ductility for subsequent forming operations. A. Annealing 6. The ability of certain materials to absorb vibrations. C. Damping Capacity 7. Materials that have the same structure at all points are said to be… D. Homogeneous 8. These are flexible materials that can be stretched

Here are the answers to the questions in Power and Industrial Plant Engineering topic posted last August 5, 2010. 1. It is an apparatus used to obtain the volumetric chemical composition of the gaseous by-products of combustion. B. Orsat analyzer 2. A term used to refer to a concrete foundation formed by continuous pouring of cement and letting the entire mass dry as one unit. D. Monolithic foundation 3. In power plants, if you want to measure small differences in pressures, what is the best instrument to use? C. Manometer 4. Which of the following is not a major function of air-conditioning? D. Control the mass of air in the space 5. This material is used to seal the piston rod to prevent leakage from the pump. B. Packing 6. You want to know the grindability of coal, what apparatus you should use? A. Hardgrove apparatus 7. It is a straight line that indicates the relationship between steam consumption and the turbo-generator load. C. Willans line 8. The period

Here’s the second part of the set of questions on Materials and Heat Treatment. The purpose of this is to help examinees review for the upcoming mechanical engineer board exam. Instruction: Choose the BEST answer. 1. An alloy of copper and nickel. a. Babbitt b. Monel c. Inconel d. Stellite 2. A light and non-magnetic metal with a better strength-to-weight ratio than any other metal at room temperature, and is used in corrosive environment applications. a. Nickel b. Titanium c. Tantalum d. Aluminum 3. A heat treatment process that promotes uniformity of structure and properties of steel. a. Annealing b. Stress Relieving c. Normalizing d. Quenching 4. A heat treatment process that reduces internal stresses, caused by machining, cold working, or welding. a. Annealing b. Stress Relieving c. Normalizing d. Quenching 5. A heat treatment process used to soften the steel for improved machinability and improve or restore ductility for subsequent forming operations.

Here are some questions BASED from the previous board exams of Mechanical Engineers on the subject Power and Industrial Plant Engineering. Instruction: Choose the BEST answer. 1. It is an apparatus used to obtain the volumetric chemical composition of the gaseous by-products of combustion. a. Bourdon Gage b. Orsat analyzer c. Manometer d. Calorimeter 2. A term used to refer to a concrete foundation formed by continuous pouring of cement and letting the entire mass dry as one unit. a. Composite foundation b. Reinforced concrete foundation c. Foundation d. Monolithic foundation 3. In power plants, if you want to measure small differences in pressures, what is the best instrument to use? a. Bourdon gage b. Sphygmomanometer c. Manometer d. Orsat analyzer 4. Which of the following is not a major function of air-conditioning? a. Control the temperature b. Control the humidity c. Control the air movement d. Control the mass of air in the space 5. This material is u

Here are the answers to the questions on Materials and Heat Treatment topic posted last August 3, 2010. 1. A term referring to steels that has been deoxidized completely. B. Killed steel Rimmed steels are incompletely deoxidized. 2. Because of physical or chemical changes, some metals lose their ductility. What term refers to this process? A. Embrittlement 3. This is a property of some materials that enables them to accommodate huge deformation without breaking/rupture. B. Plasticity 4. A type of cast iron in which most of the Carbon is chemically combined with iron. B. White Cast Iron Or sometimes called White Iron 5. Substances that wear other substances that is softer than itself. A. Abrasive 6. An aluminum ore. D. Bauxite 7. The most commonly used material for springs. D. Music wire 8. The referring to the brittleness of steel while it is red hot C. Red shortness 9. Materials that has the same properties in all directions. A. Isotropic materials

September board exam for this year is coming fast. As you may have heard from your coaches and review center teachers, it’s time to focus on the terminologies in mechanical engineering. Terms commonly referred to as “elements” comprise the majority of questions given in Mechanical Engineering board exams. For this reason, I have prepared questions on the topic: Materials and Heat Treatment. The questions were taken from commonly used Handbooks and Textbooks in Mechanical Engineering. Instruction: Choose the BEST answer. 1. A term referring to steels that has been deoxidized completely. a. Rimmed Steel b. Killed steel c. Deoxidized steel d. Cold steel 2. Because of physical or chemical changes, some metals lose their ductility. What term refers to this process? a. Embrittlement b. Hardening c. Red shortness d. Cold shortness 3. This is a property of some materials that enables them to accommodate huge deformation without breaking/rupture. a. Malleability b. Plasticit