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Everything You Need to Know About 4B- FF1 Chapter 4 Test- Fire dynamics|75 Revision Questions With Correct Answers
Which type of electrical heating occurs when the current flowing through a conductor exceeds its design limits? - ️️Overcurrent or overload What may occur if water is added to a burning liquid that is less dense than water? - ️️The water may disperse the burning liquid instead of extinguishing it What may occur in an oxidation reaction when the heat generated exceeds the heat being lost? - ️️Spontaneous ignition What occurs during flashover? - ️️The volume of burning gases can...
- Exam (elaborations)
- • 12 pages •
Which type of electrical heating occurs when the current flowing through a conductor exceeds its design limits? - ️️Overcurrent or overload What may occur if water is added to a burning liquid that is less dense than water? - ️️The water may disperse the burning liquid instead of extinguishing it What may occur in an oxidation reaction when the heat generated exceeds the heat being lost? - ️️Spontaneous ignition What occurs during flashover? - ️️The volume of burning gases can...
Lubrication and bearings power engineering b1 94 Frequently Asked Questions With Correct Answers|40 Pages
b - ️️A semi-solid lubricant: 1. Has a high viscosity 2. Is to seal out dirt and water from bearings 3. Cannot be used for high temperature 4. Can be filtered a. 1, 2, 3, 4 b. 1, 2, 3 c. 2, 3, 4 d. 1, 2, 4 e. 3, 4. e - ️️A form of lubrication that requires continual motion of a shaft or surface is: a. Boundary lubrication b. Alemite fitting lubrication c. Forced lubrication d. Zerk fitting lubrication e. Fluid film lubrication.
- Exam (elaborations)
- • 40 pages •
b - ️️A semi-solid lubricant: 1. Has a high viscosity 2. Is to seal out dirt and water from bearings 3. Cannot be used for high temperature 4. Can be filtered a. 1, 2, 3, 4 b. 1, 2, 3 c. 2, 3, 4 d. 1, 2, 4 e. 3, 4. e - ️️A form of lubrication that requires continual motion of a shaft or surface is: a. Boundary lubrication b. Alemite fitting lubrication c. Forced lubrication d. Zerk fitting lubrication e. Fluid film lubrication.
Power Engineering 4th Class unit 1 B chapter 1, Power Engineering 4th Class unit B 1 chapter 2 63 Q&A Session Summary|29 Pages
e - ️️Grease is not a suitable lubricant: Choose one answer. a. If the atmosphere contains a lot of moisture b. When the atmosphere is dusty c. If corrosion protection is desired during downtime d. In the food industry e. If a large amount of cooling is desired e - ️️Grease: Choose one answer. a. Is a semi-liquid b. Is an excellent high-speed, low load lubricant c. Attracts dirt and water to bearings, leading to premature failure d. Is likely to drip or splash...
- Exam (elaborations)
- • 29 pages •
e - ️️Grease is not a suitable lubricant: Choose one answer. a. If the atmosphere contains a lot of moisture b. When the atmosphere is dusty c. If corrosion protection is desired during downtime d. In the food industry e. If a large amount of cooling is desired e - ️️Grease: Choose one answer. a. Is a semi-liquid b. Is an excellent high-speed, low load lubricant c. Attracts dirt and water to bearings, leading to premature failure d. Is likely to drip or splash...
45 Questions and Answers on Power Engineering Class 4B Book 1 Lubrication and Bearings|17 Pages
d - ️️Large journal or sleeve bearings have grooves a) In the high pressure area of the bearing babbit b) Cut into the bearing housing c) For distributing lubricant evenly just after the pressure area d) In the non-pressure area c - ️️Using pressurized air to blow out a cleaned bearing a) Should only be done in well ventilated areas b) Must be done only when the bearing is hot c) Will cause the bearing to become pitted d) Should be done at an angle so the bearing can...
- Exam (elaborations)
- • 17 pages •
d - ️️Large journal or sleeve bearings have grooves a) In the high pressure area of the bearing babbit b) Cut into the bearing housing c) For distributing lubricant evenly just after the pressure area d) In the non-pressure area c - ️️Using pressurized air to blow out a cleaned bearing a) Should only be done in well ventilated areas b) Must be done only when the bearing is hot c) Will cause the bearing to become pitted d) Should be done at an angle so the bearing can...
Power Engineering 4th Class -44 Unit B1 Review Questions With Answered|13 Pages
R4B When grease is used in an antifriction bearing after cleaning, the bearing housing should not be filled _____ full. Select one: a. more than 1/3 b. more than 1/2 c. more than 3/4 d. less than completely - ️️a R4B A large journal bearing which is running hotter than normal can be cooled by: Select one: a. Direct application of cool water b. Loosening the bearing caps c. Decreasing the viscosity of the oil by cooling it d. Pumping additional grease into it - ️️b R4B A colla...
- Exam (elaborations)
- • 13 pages •
R4B When grease is used in an antifriction bearing after cleaning, the bearing housing should not be filled _____ full. Select one: a. more than 1/3 b. more than 1/2 c. more than 3/4 d. less than completely - ️️a R4B A large journal bearing which is running hotter than normal can be cooled by: Select one: a. Direct application of cool water b. Loosening the bearing caps c. Decreasing the viscosity of the oil by cooling it d. Pumping additional grease into it - ️️b R4B A colla...
128 Power engineering Class 4 Part B Well Answered Exam Questions| Q&A: Everything You Need to Know|67 Pages
d - ️️Pneumatic controllers are divided into two basic classes,: Choose one answer. a. Direct and reverse b. Off/on and proportional c. Positive and negative action d. Bleed and non-bleed e. Reset and gain d - ️️Prior to a worker entering the steam drum of an off-line boiler that is connected to a common, pressurized steam header, the
- Exam (elaborations)
- • 67 pages •
d - ️️Pneumatic controllers are divided into two basic classes,: Choose one answer. a. Direct and reverse b. Off/on and proportional c. Positive and negative action d. Bleed and non-bleed e. Reset and gain d - ️️Prior to a worker entering the steam drum of an off-line boiler that is connected to a common, pressurized steam header, the
80 4th Class Power Engineering Unit B1: Lubrication and Bearings Review Quiz Questions With Well Researched Answers|24 Pages
The best way to clean a bearing is: Select one: a. to send it to the manufacturer b. to acid clean it c. to first remove it from the machine d. to vacuum it - ️️c This number indicates the acidity of an oil: Select one: a. pH b. acidity c. alkalinity d. neutralization - ️️d This type of thrust bearing does not utilize an "oil wedge": Select one: a. Mitchell type b. collar type c. flotation type d. Kingsbury type - ️️b
- Exam (elaborations)
- • 24 pages •
The best way to clean a bearing is: Select one: a. to send it to the manufacturer b. to acid clean it c. to first remove it from the machine d. to vacuum it - ️️c This number indicates the acidity of an oil: Select one: a. pH b. acidity c. alkalinity d. neutralization - ️️d This type of thrust bearing does not utilize an "oil wedge": Select one: a. Mitchell type b. collar type c. flotation type d. Kingsbury type - ️️b
4B Power Engineering:302 Unit 1 - Lubrication and Bearings Revision Questions With Correct Comprehensive Answers|90 Pages
When replacing or removing an antifriction ball bearing, the applied force should: Select one: a. only be applied to the press fit race b. always be against the inner race c. always be against the outer race d. be made only after heating the bearing - ️️a Whenever feasibly possible, when checking bearings on running pieces of equipment, it is wise to: Select one: a. check the oil quality leaving each bearing b. smell the normal odours of the running bearing c. get accustomed to nor...
- Exam (elaborations)
- • 90 pages •
When replacing or removing an antifriction ball bearing, the applied force should: Select one: a. only be applied to the press fit race b. always be against the inner race c. always be against the outer race d. be made only after heating the bearing - ️️a Whenever feasibly possible, when checking bearings on running pieces of equipment, it is wise to: Select one: a. check the oil quality leaving each bearing b. smell the normal odours of the running bearing c. get accustomed to nor...
Con Law – 103 Review Questions Chemerinsky With Answers
- Exam (elaborations)
- • 15 pages •
Constitutional Law Final 139 Exam Quiz Questions With Answers
Define: "Partial Birth Abortion" - ️️It is not an undue burden Define: 24-Hour Waiting Period - ️️States may require a 24-hour waiting period between the time of a woman's consent and the abortion - this is not an undue burden. True or False: Substantive Due Process is a concept used by the U.S. Supreme Court from about 1900 to 1937 to invalidate laws that tried to regulate safety conditions in the workplace -- essentially the Court would substitute its judgment for that of th...
- Exam (elaborations)
- • 31 pages •
Define: "Partial Birth Abortion" - ️️It is not an undue burden Define: 24-Hour Waiting Period - ️️States may require a 24-hour waiting period between the time of a woman's consent and the abortion - this is not an undue burden. True or False: Substantive Due Process is a concept used by the U.S. Supreme Court from about 1900 to 1937 to invalidate laws that tried to regulate safety conditions in the workplace -- essentially the Court would substitute its judgment for that of th...
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