Question: Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle?

• 1. Concrete
• 2. Loose sand
• 3. Asphalt
• 4. Firm earth

Question: Which one of the following surfaces will give highest coefficient of traction while using crawler track tractors?

• 1. Ice
• 2. Concrete
• 3. Loose sand
• 4. Earth

Question: An excavator costs Rs. 20,00,000/- and has an estimated life of 8 years. It has no salvage value at the end of 8 years. The book value of the excavator at the end of 3 years using general double declining balance method is__________________?

• 1. Rs. 8,43,750/-
• 2. Rs. 8,75,000/-
• 3. Rs. 10,50,000/-
• 4. Rs. 11,56,250/-

Question: 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_______________?

• 1. Both A and R are true and R is the correct explanation of A
• 2. Both A and R are true but R is not the correct explanation of A
• 3. A is true but R is false
• 4. A is false but R is true

Question: For a given size of bucket, the ideal output of a dragline will be least in_______________?

• 1. Moist loam
• 2. Sand and gravel
• 3. Good common earth
• 4. Wet sticky clay

Question: Which of the following earth moving machines has the shortest cycle time?

• 1. Drag line
• 2. Hoe
• 3. Clam shell
• 4. Dipper shovel

Question: Crash project duration is obtained by summing the________________?

• 1. normal durations for all the activities
• 2. crash durations for all activities
• 3. crash durations for all the activities along the critical path obtained by taking into account the normal duration for all the activities
• 4. crash durations for all the activities along the critical path obtained by taking into account the crash duration for all the activities

Question: The constraints in case of resource smoothening operation would be_______________?

• 1. resources
• 2. project duration time
• 3. both resources and project duration time
• 4. none of the above

Question: Slack time refers to_______________?

• 1. an activity
• 2. an event
• 3. both event and activity
• 4. none of the above

Question: Economic saving of time results by crashing_________________?

• 1. cheapest critical activity
• 2. cheapest non-critical activity
• 3. costliest critical activity
• 4. costliest non-critical activity