Operation Research (2171901) MCQs

MCQs of Replacement theory

Showing 1 to 10 out of 28 Questions
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1.

When money value changes with time at 10 %, then PWF for the first year is

(a)

1
(b)

0.909
(c)

0.852
(d)

0.9
Answer:

Option (a)

2.

When money value changes with time at 20%, the discount factor for the 2nd year is

(a)

1
(b)

0.833
(c)

0
(d)

0.6955
Answer:

Option (b)

3.

Which of the following replacement policies is considered to be dynamic in nature?

(a)

Time is a continuous variable and the money value does not change with time
(b)

When money value does not change with time and time is a discrete variable
(c)

When money value changes with time
(d)

When money value remains constant for some time and then goes on changing with time
Answer:

Option (c)

4.

When the probability of failure reduces gradually, the failure mode is said to be

(a)

Regressive
(b)

Retrogressive
(c)

Progressive
(d)

Recursive
Answer:

Option (b)

5.

............................... is concerned with the determination of the most economic replacement policy.

(a)

Probabilistic programming
(b)

Linear programming
(c)

Search theory
(d)

Replacement theory
Answer:

Option (d)

6.

Which cost of the following is irrelevant to replacement analysis?

(a)

Purchase cost of the machine
(b)

Operating cost of the machine
(c)

Maintenance cost of the machine
(d)

Machine hour rate of the machine
Answer:

Option (d)

7.

Group replacement policy is most suitable for

(a)

Trucks
(b)

Infant machines
(c)

Street light bulbs
(d)

New cars
Answer:

Option (c)

8.

Replacement of an item will become necessary when

(a)

an old item becomes too expensive to operate or maintain
(b)

when your operator desires to work on a new machine
(c)

when your opponent changes his machine in his unit
(d)

when the company has surplus funds to spend
Answer:

Option (a)

9.

The following is not discussed in group replacement policy

(a)

Failure Probability
(b)

Cost of individual replacement
(c)

Loss due to failure
(d)

Present worth factor series
Answer:

Option (d)

10.

It is assumed that maintenance cost mostly depends on

(a)

calendar age
(b)

manufacturing date
(c)

running age
(d)

user’s age
Answer:

Option (c)

Showing 1 to 10 out of 28 Questions
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