What estimate would you give for the variance in above problem ?
What estimate would you give for the variance in above problem ?
A. 81
B. 54
C. 36
D. 9
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Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing Reason R: If the angle of swing is decreased, the cycle time will be decreased_______________?
Assertion A: For a given depth of cut, the output of a power shovel can be increased by decreasing the angle of swing Reason R: If the angle of swing is decreased, the cycle time will be decreased_______________?A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is trueFor excavating utility trenches with precise control of depth, the excavation equipment used is_______________?
For excavating utility trenches with precise control of depth, the excavation equipment used is_______________?A. Hoe
B. Shovel
C. Dragline
D. None of the aboveIf the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is_________________?
If the excavation of earth is done manually then it costs Rs. 10 per cum. A machine can excavate at a fixed cost of Rs. 4000 plus a variable cost of Rs. 2 per cum. The quantity of earth for which the cost of excavation by machine will be equal to the cost of manual excavation is_________________?A. 500 cum
B. 1000 cum
C. 1500 cum
D. 2000 cumEconomic saving of time results by crashing_________________?
Economic saving of time results by crashing_________________?A. cheapest critical activity
B. cheapest non-critical activity
C. costliest critical activity
D. costliest non-critical activitySinking fund is_______________?
Sinking fund is_______________?A. the fund for rebuilding a structure when its economic life is over
B. raised to meet maintenance costs
C. the total sum to be paid to the municipal authorities by the tenants
D. a part of the money kept in reserve for providing additional structures and structural modificationsCritical path_____________?
Critical path_____________?A. is always longest
B. is always shortest
C. may be longest
D. may be shortest