25. Multipliers are used for :
(ಹಿ) range extension of ammeters (B) range extension of volt meters

(0 range extension of watt meters (D) range extension of energy meters

26. An energy meter has:
(5) no deflecting torque (8) no controlling torque
(C) no damping torque (D) no rotatory torque

27. The current coil of a watt meter is made of with :
(ಮ) low resistance wires (B) high resistance wires
(0) medium resistance wire (D) insulators

28. The secondary of a current transformer is always open circuited because of :
(ക) high current in secondary (8) high voltage in secondary
(©) high power in secondary (D) high energy in secondary

29. Dielectric heating uses :

(4) high voltage (8) high current
(C) high frequency (D) high energy

30. Arc Furnaces differ from induction furnacy by:
(A) Current in the furnance terminals passes through the charged material
(B) Current is induced in the charged material
(C) Eddy current causes heating in arc furnaces
(D) प्राह frequency voltage causes the heating

31. Which one is most suitable for back gear mechanism in a lathe?
(A) Compound gear train (0) Reverted gear train
(യ Epicyclic gear train (D) Constant mesh gear train

32. Clapper box in a shaper is used 00 ;
(ಹಿ) Hold the cutting tool rigidly
(൫) Protect the table and vice from overload
(ര) Free movement of cutting tool in return stroke
(D) Adjust the length of stroke

83. Ina two stroke diesel engine, one cycle is completed in :
(8) 1807 0 crank rotation (8) 540° of crank rotation
(C) 360° of crank rotation (D) 720° of crank rotation

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