The part of a derrick crane include (i) Mast (ii) Boom (iii) Bull wheel (iv) Jack Of these statements

Related MCQs

• Rolling resistance of a wheel depends upon (i) Vehicle load (ii) Grade (iii) Ground conditions Of these statements
• Consider the following statements for a power shovel: (i) Output can be increased by reducing the angle of swing for a given depth ofcut. (ii) For a given angle of swing, output will be maximum at optimum depth of cut. (iii) Output can be increased by keeping the depth of cut less than optimumdepth, (iv) Output can be increased by increasing the size of shovel. Of these statements
• Consider the following statements: In the critical path method of construction planning, Free Float can be. 1. Greater than Total Float. 2. Greater than Independent Float 3. Equal to Total Float. 4. Less than Independent Float. Of these statements
• Consider the following statements: In the bar chart planning 1. Interdependence of the operations cannot be portrayed. 2. Progress of work can be measured. 3. Spare time of the activities can be determined. 4. Schedule cannot be updated. Of these statements
• Output of a bulldozeris (i) Increased if drawbar HP of the tractor is increased for a given hauling distance (ii) Decreased if drawbar HP of the tractor is increased for a given hauling distance (iii) Increased if the hauling distance is increased for a given drawbar HP of the tractor (iv) Decreased if the hauling distance is increased for a given drawbar HP of thetractor Of these statement
• A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The rolling resistance of the road will be
• Consider the following operations: 1. Drilling 2. Blasting 3. Mucking 4. Placing steel 5. Placing concrete The correct sequence of these operations in tunnel construction is