Exam (elaborations)
4th Class Power Engineering Unit B5: Energy Plant Maintenance
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4th Class Power Engineering Unit B5: Energy Plant Maintenance
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4TH CLASS POWER ENGINEERINGUNIT B5: ENERGY PLANT
MAINTENANCE QUESTIONS AND
ANSWERS GRADED A+
K
This is the most efficient die because it provides a relatively wide range of thread fits:
Select one:
a. solid die
b. round split die
c. adjustable die
d. cold set die - c
This tool has one end tapered and ground to a point and is made from tool steel which has been
hardened and tempered:
Select one:
a. caliper
b. punch
c. screwdriver
d. feeler gauge - b
This type of power tool is used to remove material from a work piece in the field, by abrasive means:
Select one:
a. hand scissor
b. hand scraper
c. hand grinder
d. hand drill - c
,This type of tap is used for tapping through a workpiece and for general use:
Select one:
a. plug tap
b. taper tap
c. bottoming tap
d. drill tap - a
Bench and floor mounted grinders are known as: Select one:
a. fixed grinders
b. hand grinders
c. die grinders
d. sealed grinders - a
A grinder guard usually covers approximately _________ of the wheel or brush:
Select one:
a. 3/4
b. 1/3
c. 1/4
d. 1/2 - d
This tool is used to cut and smooth surfaces by removing small amounts of material:
Select one:
a. chisel
b. hammer
c. file
d. hacksaw - c
This type of file has one full-thickness side and the width tapers to a sharp edge on the other side:
Select one:
,a. hand
b. mill
c. warding
d. knife - d
This tool is used to tighten or loosen bolt, nuts, and pipe plugs:
Select one:
a. ball peen
b. chisel
c. wrench
d. screwdriver - c
The body of a drill bit has special grooves that provide a passage for cutting oil and debris to come out
called:
Select one:
a. margins
b. webs
c. flutes
d. lips - c
The standard hand grip style drill is the most common and consist of four basic components. They are:
1. battery
2. air cooled motor
3. trigger switch
4. base
5. gear reducer
6. chuck
Select one:
a. 1, 2, 3, 6
, b. 2, 3, 4, 6
c. 2, 3, 5, 6
d. 2, 3, 4, 6 - c
This type of tool runs on electricity or compressed air:
Select one:
a. power tool
b. hand tool
c. mechanics tool
d. stock tool - a
The following marking material is used before scribing metal to make the lines legible:
1. bluevitriol
2. soapstone
3. chalk
4. copper gel
5. layout ink
Select one:
a. 1, 2, 3, 5
b. 1, 2, 3, 4, 5
c. 1, 2, 4, 5
d. 2, 3, 4, 5 - a
This type of wrench should not be used on soft metals or finished surfaces:
Select one:
a. pipe wrench
b. crescent wrench
c. combination wrench
d. socket wrench - a
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