The reasons which are basically responsible for the formation of a queue should be that ___________________?

A. The average service rate hess than the average arrival rate
B. Output rate is linearly proportional to input
C. Output rate is constant and the input varies in a random manner
D. All of the above

In queuing theory, the nature of the waiting situation can be studied and analysed mathematically if_________________?

A. Complete details’of items in, waiting line are known
B. Arrival and waiting times are known and can be grouped to form a waiting line model
C. All variables and constants are known and form a linear equation
D. The laws governing arrivals, service times, and the order in which the arriving units are taken into source are known

Bar charts are suitable for_____________________?

A. Minor works
B. Major works
C. Large projects
D. All of the above

In perpetual inventory control, the material is checked as it reaches its__________________?

A. Minimum value
B. Maximum value
C. Average value
D. Middle value

Pick up the correct step used for scheduling a project by C.P.M.__________________?

A. a project is divided into various activities
B. required time for each activity is established
C. sequence of various activities is made according to their importance
D. network is drawn by connecting the activities and the events

The disadvantage of product layout is_________________?

A. High initial investment for the specialized facilities
B. Skilled labour to operate machines
C. Production time is longer, requiring more goods in inventory
D. High cost of inspection

Routing assists engineers in deciding in advance___________________?

A. The flow of material in the plant
B. The methods of proper utilization of manpower
C. The methods of proper utilization of machines
D. The layout of factory facilities

A dummy activity________________?

A. Is artificially introduced
B. Is represented by a dotted line
C. Does not require any time
D. All of the above

The probability distribution of project completion in PERT follows following distribution_________________?

A. normal
B. binomial
C. beta
D. exponential

The difference between the time available to do the job and the time required to do the job, is known as_________________?

A. Event
B. Float
C. Duration
D. Constraint