$8)$ Which maintenance strategy involves regular inspection and servicing of equipment to ensure it remains in good working order?

a$)$ Predictive maintenance

b$)$ Reliability$-$centered maintenance

c$)$ Breakdown maintenance

d$)$ Preventive maintenance

$9)$ Design out maintenance is carried out to

a$)$ Discard old design

b$)$ Eliminate the cause of failure

c$)$ Minimize the number of failures

d$)$ Modify the design

$10)$ What is the primary goal of predictive maintenance

a$)$ to prevent equipment failure before it occurs

b$)$ to perform maintenance after equipment failure

c$)$ to perform maintenance based on a fixed schedule

d$)$ to reduce maintenance costs by replacing components only when needed

$11)$ A particular product has been given the following rankings for calculating RPN while preparing FMEA chart $,$S$=10,$O$=2,$D$=2.$what is the value of RPN$?$

a$)20$

b$)40$

c$)10$

d$)2$

$12)$ Preventive maintenance is useful in reducing

a$)$ Setup cost

b$)$ Cost of premature replacement

c$)$ Inspection cost

d$)$ Shutdown cost

$13)$ Which of the following non$-$destructive testing is used to detect change in composition of any material?

a$)$ radiography test

b$)$ liquid penetration test

c$)$ eddy current test

d$)$ Ultrasonic testing

$14)$ Control of maximum oil pressure in the lubrication system is affected by

a$)$ Pressure relief valve

b$)$ Pump motor

c$)$ Pressure switch

d$)$ Oil filter

$15)$ Which of the following method is used to assess health by quantifying and examining the particles suspended in the lubricant?

a$)$ Ferrography

b$)$ Temperature monitoring

c$)$ Vibration isolators

d$)$ Ultrasonic testing