Operation Research (2171901) MCQs

MCQs of Replacement theory

Showing 21 to 28 out of 28 Questions
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21.

In replacement analysis the maintenance cost is a function of

(a)

time
(b)

resale value
(c)

initial investment
(d)

none of these
Answer:

Option (a)

22.

Which of the following is the correct assumption for replacement policy when money value does not change with time?

(a)

No Capital cost
(b)

No scrap value
(c)

Constant scrap value
(d)

Zero maintenance cost
Answer:

Option (c)

23.

Which one of the following does not match the group?

(a)

Present Worth Factor (PWF)
(b)

Discounted rate (DR)
(c)

Depreciation value (DV)
(d)

Mortality Tables (MT)
Answer:

Option (d)

24.

Group replacement policy applies to

(a)

Irreparable items
(b)

Repairable items
(c)

Items that fail partially
(d)

Items that fail completely & suddenly
Answer:

Option (d)

25.

If a machine becomes old, then the failure rate expected will be

(a)

Constant
(b)

Increasing
(c)

decreasing
(d)

we cannot say
Answer:

Option (b)

26.

Replacement is said to be necessary if

(a)

Failure rate is increasing
(b)

Failure cost is increasing
(c)

Failure probability is increasing
(d)

Any of these
Answer:

Option (d)

27.

In this stage, the machine operates at highest efficiency and its production rate will be high

(a)

Infant stage
(b)

Youth stage
(c)

Old age
(d)

None of these
Answer:

Option (b)

28.

In retrogressive failures, the failure probability ......................... with time

(a)

increases
(b)

remains constant
(c)

decreases
(d)

none of these
Answer:

Option (c)

Showing 21 to 28 out of 28 Questions
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