Midterms

Question 1

Where outbreak of fever among children working in cotton mills occured

Answer 1

Manchester, england

Question 2

President that signed the Occupational Health starndsards

Answer 2

President Nixon

Question 3

studied the effects of
asbestos exposure from 1967-1986.

Answer 3

Dr. Irving Selikoff

Question 4

This law, enacted in 2018, strengthens compliance with
occupational safety and health standards and expands
the rights and responsibilities of workers and employers
in ensuring workplace safety

Answer 4

The Occupational Safety and Health Standards Law (RA 11058)

Question 5

This is a set of technical standards and guidelines for
electrical installations in the Philippines. It ensures
electrical safety in various settings, including
residential, commercial, and industrial premises.

Answer 5

Philippine Electric Code

Question 6

This code outlines safety standards and requirements for fire
prevention and protection. It covers topics such as fire
prevention, firefighting equipment, building design, and
emergency exits.

Answer 6

Philippine Fire Code (PD 1185)

Question 7

This code sets safety standards for the design and
construction of buildings and structures. It includes
provisions related to structural integrity, fire safety, and
accessibility for persons with disabilities.

Answer 7

Philippine Building Code (PD 1096)

Question 8

This law addresses the safe management,
transportation, and disposal of hazardous wastes,
particularly in industrial and commercial sectors. It
aims to protect human health and the environment.

Answer 8

R. A. No. 6969 - Hazardous Waste
Management Act

Question 9

While primarily focused on environmental protection, this code
includes provisions related to safety standards for activities that
may have environmental impacts, such as mining and
industrial operations.

Answer 9

Philippine Environment Code (PD 1152)

Question 10

is a cross- disciplinary area concerned with
protecting the safety, health and welfare of
people engaged in work.

Answer 10

Occupational Safety
And Health Standard
(OSHS)

Question 11

Type of corrosion:
Copper and steel tubing are joined in a domestic water heater, the steel will corrode in the vicinity of the junction

Answer 11

Galvanic corrosion

Question 12

Localized form of corrosion that creates small deep holes, or pits on the surface of the material

Answer 12

Pitting corrosion

Question 13

Often caused by the presence of aggressive chemicals or localized difference in the environment

Answer 13

Pitting corrosion

Question 14

Occurs in confined spaces such as gaps or crevices between metal surfaces where oxygen and other chemicals are limited

Answer 14

Crevice corrosion

Question 15

Common in seawater or other chloride-rich environment

Answer 15

Crevice corrosion

Question 16

Occurs when a metal is exposed to a corrosive environment and is under tensile stress

Answer 16

Stress corrosion cracking

Question 17

Type of corrosion:
Season cracking and caustic embrittlement of mild steel

Answer 17

Stress corrosion cracking

Question 18

Occurs at the interface between two surfaces that are subjected to cyclic loading or vibration

Answer 18

Fretting corrosion

Question 19

Cause damage to metal components such as bolts and bearings and lead to failure

Answer 19

Fretting corrosion

Question 20

Occurs when a metal surface is exposed to a corrosive environment and is also subjected to mechanical erosion such as from flowing liquids or particles

Answer 20

Erosion corrosion

Question 21

Result in accelerated corrosion and damage to metal

Answer 21

Erosion corrosion

Question 22

Materials where erosion corrosion occur

Answer 22

Ship propellers
Hydraulic turbine
Pump impeller
Diesel engine cylinder

Question 23

Gradual destruction of materials by chemical or electrical reaction with their environment

Answer 23

Corrosion

Question 24

Earliest record of corrosion control from ancient Egyptians

Answer 24

Electroplating

Question 25

Coating metal objects with a thin layer of gold or silver to protect them from corrosion

Answer 25

Electroplating

Question 26

Placing metal object in a solution of gold and silver salt and then passing an electric current through it to deposit a thin layer of the precious metal onto the surface

Answer 26

Electroplating

Question 27

Heating the metal to high temperature and then quenching it in oil or water to create thin layer of oxide on the surface of the metal that would help protect it from further corrosion

Answer 27

Bluing

Question 28

Period of significant advancement in corrosion control

Answer 28

Industrial revolution

Question 29

Contained high percentage of chromium which formed protective oxide layer on the surface of the metal

Answer 29

Stainless steel

Question 30

Considered Japan’s greatest swordsmith from the Kamakura period 14th century

Answer 30

Masamune

Question 31

A corrosion resistant copper nickel alloy

Answer 31

Monel metal

Question 32

Corrosion can increase this by requiring frequent repairs or replacements of affected component

Answer 32

Maintenance cost

Question 33

Corrosion related failures can cause unexpected ____ which can result in lost production, decreased efficiency and reduced profitability for businesses

Answer 33

Downtime

Question 34

Corrosion can also increase ______ as it cause friction and resistance in moving parts leading to increased wear and tear on equipment and higher energy usage

Answer 34

Energy consumption

Question 35

Corrosion can compromise _____ of infrastructure and equipment leading to potential collapse or failure

Answer 35

Structural integrity

Question 36

Corrosion can impose ____ if it affects system that handle water, chemicals or other hazardous materials

Answer 36

Health risk

Question 37

Corrosion can increase the ____ especially in industrial settings where flammable materials are present

Answer 37

Risk of fires (fire hazards)

Question 38

By implementing _____,______,_______, businesses and organizations can reduce the risk of corrosion related problems

Answer 38

1. Regular inspection
2. Maintenance
3. Upgrades