Q.1
The total swept volume of all pistons during power strokes occurring in one minute is
  • Piston volume
  • Clearance volume
  • Displacement volume
  • None of these
Q.2
The ratio of output power to input power for a traction device is called
  • Mechanical efficiency
  • Thermal efficiency
  • Tractive efficiency
  • None of these
Q.3
The ratio of output power to input power for a traction device is called
  • Mechanical efficiency
  • Thermal efficiency
  • Tractive efficiency
  • None of these
Q.4
Bevel gears transmit power between two shafts are
  • Intersecting axis
  • Parallel shaft
  • Inline shaft
  • All are correct
Q.5
A type of cylinders used on power wheat threshers is
  • Serrated disc and rasp bar
  • Spike tooth and wire loop
  • Spike tooth and hammer mill
  • Hammer mill and syndicate
Q.6
A reflector used in solar power plant to reflect sunlight is
  • Convex reflector
  • Concave reflector
  • Plane reflector
  • All are correct
Q.7
Power tiller operates most satisfactorily with
  • Rotary tools
  • Ploughs
  • Transport wheel
  • Harrows
Q.8
The power consumed in secondary tillage operation per unit area is
  • Less compared to primary tillage operation
  • More compared to primary tillage operation
  • Same as the primary tillage operation
  • None of these
Q.9
The power consumed in secondary tillage operation per unit area is
  • Less compared to primary tillage operation
  • More compared to primary tillage operation
  • Same as the primary tillage operation
  • None of these
Q.10
The output capacity of rotary power scythe is about
  • 0.1-0.2 ha/day
  • 0.2-0.4 ha/day
  • 0.4-0.6 ha/day
  • 0.4-0.8 ha/day
0 h : 0 m : 1 s