MTH601 Final Term MCQs by Sparrows

MTH601 By Sparrow · Final Term · Fall 2021-2022

Q1. When money value changes with time at 10 %, then PWF for the first year is

1. 1
2. 0.909
3. 0.852
4. 0.9

Correct answer: 1

Q2. When money value changes with time at 20%, the discount factor for the 2nd year is

1. 1
2. 0.833
3. 0
4. 0.6955

Correct answer: 0.833

Q3. Which of the following replacement policies is considered to be dynamic in nature?

1. Time is a continuous variable and the money value does not change with time
2. When money value does not change with time and time is a discrete variable
3. When money value changes with time
4. When money value remains constant for some time and then goes on changing with time

Correct answer: When money value changes with time

Q4. When the probability of failure reduces gradually, the failure mode is said to be

1. Regressive
2. Retrogressive
3. Progressive
4. Recursive

Correct answer: Retrogressive

Q5. ______ is concerned with the determination of the most economic replacement policy.

1. Probabilistic programming
2. Linear programming
3. Search theory
4. Replacement theory

Correct answer: Replacement theory

Q6. Which cost of the following is irrelevant to replacement analysis?

1. Purchase cost of the machine
2. Operating cost of the machine
3. Maintenance cost of the machine
4. Machine hour rate of the machine

Correct answer: Machine hour rate of the machine

7. If a balanced Transportation problem with ‘7’ sources and ‘6’sinks then its non-degenerate basic feasible solution will have---------- independent allocations.

A. 10

Q8. Group replacement policy is most suitable for

1. Trucks
2. Infant machines
3. Street light bulbs
4. New cars

Correct answer: Street light bulbs

Q9. Replacement of an item will become necessary when

1. an old item becomes too expensive to operate or maintain
2. when your operator desires to work on a new machine
3. when your opponent changes his machine in his unit
4. when the company has surplus funds to spend

Correct answer: an old item becomes too expensive to operate or maintain

Q10. The following is not discussed in group replacement policy

1. Failure Probability
2. Cost of individual replacement
3. Loss due to failure
4. Present worth factor series

Correct answer: Present worth factor series

Q11. It is assumed that maintenance cost mostly depends on

1. calendar age
2. manufacturing date
3. running age
4. user’s age

Correct answer: running age

Q12. Replacement decision is very much common in this stage

1. Infant stage
2. Old age
3. Youth
4. In all the above

Correct answer: In all the above

Q13. The replacement policy that is imposed on an item irrespective of its failure is

1. Group replacement
2. Individual replacement
3. Repair spare replacement
4. Successive replacement

Correct answer: Group replacement

Q14. The total number of allocations in a basic feasible solution to the transportation problem of size is equal to

1. M+N – 1

Q15. Contractual maintenance or agreement maintenance with the manufacturer is suitable for equipment, which is

1. In its infant state
2. When a machine is an old one
3. Scrapped
4. None of these

Correct answer: In its infant state

Q16. Which of the following maintenance policy is not used in the old age stage of a machine?

1. Operate up to failure and do corrective maintenance
2. Reconditioning
3. Replacement
4. Scheduled preventive maintenance

Correct answer: Scheduled preventive maintenance

Q17. The following replacement model is said to be a probabilistic model

1. When money value does not change with time and time is a continuous variable
2. When money value changes with time
3. When money value does not change with time and time is a discrete variable
4. Preventive maintenance policy

Correct answer: Preventive maintenance policy

Q18. A machine is replaced with an average running cost

1. Is not equal to the current running cost
2. till the current period is greater than that of next period
3. of the current period is less than that of next period

Correct answer: of the current period is less than that of next period