Exam (elaborations)
MLT#2.
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Exam of 19 pages for the course 126 MTTC English as a Second Language at 126 MTTC English as a Second Language (MLT#2.)
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MLT#2D - ANS-"""What is one of the ways to eliminate factors that lead to machine failure?
(Ref:1.5a)
A. Hire more mechanics
B. Focus on condition improvement and defect elimination.
C. Increase planned work.
D. Both B & C""
"
D - ANS-"""Where would one likely find a permanently installed machine condition
monitoring system? (Ref:1.100)
A. High speed machinery
B. Machines that degrade very quickly when they begin to degrade
C. Highly Critical, low speed, low load machine
D. All of the above
""
"
C - ANS-"Which of the following depends on operators and maintenance technicians to
work together to maintain long term productive capability of the machine? (Ref:no slide)
A. Run to Failure (RTF)
B. Planned Preventive Maintenance (PPM)
C. Planned Predictive Maintenance (PDM)
D. Reliability Centered Maintenance (RCM)
"
A - ANS-"Which of the following is not a Maintenance Strategy? (Ref:1.60)
A. Persuasive
B. Predictive
C. Proactive
D. Preventative
"
A - ANS-"Which of the following economic realities drove manufacturers initially toward
a need for more advanced maintenance management? (Ref:1.80)
A. Manufacturing labor shortages, which led to mechanization of processes
B. Development of the jet aircraft
C. Increasing consumer demand which led to increases in productivity requirements
,D. Growth of nuclear power generation industry
"
C - ANS-"According to E. Rabinowicz, MIT, to what extent are combined abrasive and
adhesive wear responsible for machine degradation (Ref:no slide)
""A. 15 Percent
B. 25 percent
C. 45 percent
D. 75 Percent""
"
D - ANS-"All machine component movement can be described as which of the
following? (Ref:2.30)
A. Surface friction
B. Surface contact
C. Fluid Friction
D. Sliding or rolling contact"
A - ANS-"EHL conditions occur primarily in (Ref:2.360)
A. Rolling bearings, gears and cams
B. Slow moving pins and bushings
C. Piston rings and liners
D. Journal bearings"
B - ANS-"If the oil was to approach a solid state under pressure, which of the following
would be true? (Ref:2.360)
A. Fluid friction would be eliminated
B. Higher fluid friction would be created
C. Lower fluid friction would be produced
D. All of the above"
C - ANS-"Tribology is the study of which 3 areas of knowledge? (Ref:2.210)
A. Chemical, mechanical, electrical
B. Surface finish, adhesion, wear
C. Friction, lubrication, wear
D. Design, construction, maintenance"
D - ANS-"Which is the stiffest grease classification? (Ref:3.380) A. 10W30
B. 220
C. 8EP
, D. 0"
C - ANS-"Where would a friction modifier additive be commonly used? (Ref:3.300)
A. Lightly loaded helical gear drive lubricant
B. Traction wheels in mag-lev trains
C. Automatic transmissions lubricants
D. Highly loaded helical gear drive lubricant"
D - ANS-"To which of the API groups will PAG synthetic base stocks belong?
(Ref:3.140)
A. G1
B. G2
C. G2+
D. G5"
C - ANS-"Additives represent what percentage of a finished lubricant? (Ref:3.350)
A. .1 to .3
B. .1 to 6
C. 1 to 30
D. 10 to 30"
C - ANS-"What is the expected useful temperature range for a PAO synthetic stock?
(Ref:3.150)
A. 50C to 150C
B. 0C to 100C
C. -50C to 150C
D. -50C to 50C"
D - ANS-"""AW performance is measured with which of the following methods?
(Ref:4.350)
A. 4-ball Wear Scar""
""B. Falex OK Load
C. RPVOT
D. A & B""
"
A - ANS-"What is the most common viscosity measurement criteria? (Ref:4.30)
A. Kinematic
B. Ultrasonic
C. Hyperbolic
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