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31.

In work study the symbol D implies

A.	Delay	B.	Transport
C.	Operation	D.	Inspection
E.	Temporary storage

32.

In work study the symbol O implies

A.	Delay	B.	Operation
C.	Transport	D.	Inspection
E.	Temporary storage

33.

Basic tool in work study is

A.	Process chart	B.	Planning chart
C.	Shop layout	D.	Bar chart
E.	Stop watch

34.

In wimplex method of linear programming the objective row of the matrix consists of

A.	Coefficient of the objective function, which is the profit contribution per unit of each of the products	B.	Names of the variables of the problems
C.	Slack variables	D.	Any of the above
E.	None of the above

35.

In linear programming shadow prices are

A.	The values assigned to one unit of capacity	B.	Maximum cost per item
C.	Cost of brought out items	D.	Cost of items manufactured in the plant
E.	Lowest sales prices

36.

A product layout is generally suggested for

A.	Jobbing work	B.	Batch production
C.	Continuous type of production	D.	Efficient machine utilization ratio
E.	None of the above

37.

A process layout is generally suggested for

A.	Jobbing work	B.	Batch production
C.	Continuous type of production	D.	Efficient machine utilization ratio
E.	None of the above

38.

If the electric supply is not available in a factory the workers will show it as

A.	Delay	B.	Deliberate delay
C.	Avoidable delay	D.	Unavoidable delay
E.	None of the above

39.

Time study is not used

A.	To determine overhead expenses	B.	To provide a basis for setting piece prices or incentive wages
C.	To determined standard costs	D.	To determine the number of machines a person may run
E.	To compare alternative method

40.

In time study sone variations almost always occur from reading to reading for any element, even if the worker is not attempting to vary his pace. This variation is not caused by the following factors, among others

A.	Random variations in operator movements and pace	B.	Random variations in the positions of parts worked with
C.	Random variations in the position of the tools used	D.	Random variations caused by slight errors in watch reading
E.	Random variations caused by electricity failures