ESAS RECENT BOARD EXAM TERMS PART IIi
Master Your Material Science Knowledge
Test your expertise in material science with this comprehensive quiz featuring questions on steel alloys, electrical properties, and engineering fundamentals. Perfect for students, professionals, or anyone looking to sharpen their understanding of materials in engineering.
Key Topics Include:
- Properties of Metals
- Chemical Reactions
- Material Standards
- Engineering Practices
The purpose of carbon in steel allpying is to increase
Hardness
Hardness and strength
Deoxidation
Corrosion resistance
What is the proper relationship between the modulus of elasticity E, the poisson's ratio v, and the bulk modulus of elasticity K.
E = K(1 - 2v)
E = K/(1 - 2v)
E = 3K/(1 - 2v)
E = 3K(1 - 2v)
What is the other term for polymorph
Omega arrangement
Allotrope
Alpha arrangement
Crystalline arrangement
What acid is used for glass itching
Hydrofluoric acid
Acetylsalicyclic acid
Phosphoric acid
Hydrochloric acid
It refers to a very common colloidal substance that certain collagen and comes from bones of animal
Gel
Gelatin
Emulsion
Amino acids
Which of the following is known as electrical steel
Silicon steel
Stainless steel
Carbon steel
Cast steel
Steel that is used for wire, structural shapes and screw machine parts
Low carbon steel
Medium carbon steel
High carbon steel
Very high carbon steel
What element is known as the lightest metal
Aluminum
Magnesium
Manganese
Lithium
What is the ratio of the ultimate failure strain to yielding strain
Poisson's ratio
Ductility
Resilience
Fatigue
What is the most abundant metal in nature?
Aluminum
Steel
Iron
Copper
What refers to a shape achieved by allowing a liquid to solidify in mold
Casting
Molding
Forming
All of these
Entropy is transferred by
Work
Heat
Energy
Both A and B
The common ratio is the ratio of
Net credit sales to average net receivables
Current assets to current liabilitie
Gross profit to net sales
Net income to owners equity
Gross margin is the ratio of gross profit to
Net sales
Owner's equity
Quick assets
Inventory turnover
What is a stock of a product which is held by a trade body or government as a means of regulating the price of that product
Stock pile
Hoard stock
Buffer stock
Withheld stock
Cast iron which can not be machined, hard and wear resistant
Gray cast
Ductile cast
Malleable cast
White cast
A financial ratio that indicate whether a company's current assets will be sufficient to meet the company's obligation when they become due
Liquidity ratio
Acid ratio
Current ratio
Quick ratio
For satisfactory lightning protection, substation grounding network resistance must not exceed
5 ohms
10 ohms
20 ohms
25 ohms
The spacing between grounding electrode of different grounding system is
1800 mm
1900 mm
3000 mm
900 mm
What is the republic act number of the newly signed law of President Duterte called Murang Kuryente Act
RA 11371
RA 10912
RA 9136
RA 7832
The field practice of REE is what section in article IV
Sec 31 (a)
Sec 31 (b)
Sec 31 (c)
Sec 31 (d)
Centrifugal pump is
Turbo machinery
Flow regulating device
Drafting device
Intercooling device
Centrifugal pumps transports fluid by converting
KE to ME
KE to HE
HE to KE
ME to KE
The fluid coming into the centrifugal pump is accelerated by
Impeller
Throttle
Nozzle
Governor
Which one is a light metal
Mercury
Gold
Potassium
Silver
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