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You Are On Multi Choice Question Bank SET 2694
134701. Watt hour meter is classified as a:
(A): Integrating Instrument (B): Deflecting Instrument (C): Recording Instrument (D): Indicating Instrument
134702. Efficiency of a Secondary cell is:
(A): Impedance hour efficiency (B): Ampere hour efficiency (C): Resistance hour efficiency (D): Volt hour efficiency
134703. Which class of insulator is Mica?
(A): Class F (B): Class A (C): Class B (D): Class C
134704. The slip rings are made of:
(A): Aluminium (B): Silver (C): Copper (D): Cast iron
134705. The operating temperature of a gas filled lamp is about--------
(A): 2500 Degree C (B): 3000 Degree C (C): 2000 Degree C (D): 2700 Degree C
134706. If the speed of DC shunt motor increases the back emf:
(A): Decreases (B): Constant (C): Decreases and then increases (D): Increases
134707. To check the Internal and External radius of work pieces which tool is used?
(A): Radius gauges (B): Centre punch (C): Scriber (D): Callipers
134708. Universal Motor requires:
(A): AC only (B): DC only (C): AC and DC (D): DC and shunt type
134709. All the sides of parallelogram are equal is called---------
(A): Trapezium (B): Rhombus (C): Polygon (D): Rectangle
134710. Gun metal is an alloy of-------and --------
(A): Copper,Aluminium,Zinc (B): Copper,Tin,Zinc (C): Iron,Copper,Tin (D): Iron,Tin,Zinc
134711. 1 Kg weight=--------
(A): 9 Newtons (B): 10.8 Newtons (C): 9.8 Newtons (D): 8.5 Newtons
134712. Torque’=’
(A): Force’xx’Acceleration (B): Force ‘xx’Distance (C): Force’xx’Radius (D): Force’xx’Speed
134713. Aluminium ore is------
(A): Bauxite (B): Antimony (C): Graphite (D): Galena
134714. Freezing point of mercury is----
(A): 35 Degree C (B): 36 Degree C (C): 38 Degree C (D): 39 Degree C
134715. The ability of material to deform without breaking is called:
(A): Plasticity (B): Elasticity (C): Ductility (D): Malleability
134716. Whenever heat is developed in a conductor it is governed by the:
(A): Lenz’s Law (B): Ampere’s Law (C): Joule’s Law (D): Newton’s Law
134717. Squirrel cage induction motor is a:
(A): High starting torque motor (B): Low starting torque motor (C): Both(1)and (2) (D): None of the above
134718. Which are fundamental units?
(A): CGS,FPS and MKS (B): MKS,MKSA and CGS (C): CGS,FPS and SI (D): FPS and MKS
134719. The flux density is the flux divided by:
(A): Conductivity (B): Permeability (C): Area of cross section (D): Area of the current carrying conductor
134720. A pure resistive circuit in AC follows the:
(A): Ohm’s Law (B): Lenz’s Law (C): Faraday’s Law of electrolysis (D): Kirchhoff’s Law
134721. Which of the following material has a negative temperature co-efficient of resistance?
(A): Brass (B): Copper (C): Carbon (D): Aluminium
134722. 100 W and 40 W lamps are of the same voltage rating the resistance of 40 W lamp is-----
(A): Higher (B): Lower (C): The same (D): Lower with AC higher with DC
134723. Metric HP=
(A): 746 watts (B): 746.5 watts (C): 735.5 watts (D): 735 watts
134724. Which lamp will take more current?
(A): 40 watts 200 V (B): 100 watts 24 V (C): 1000 watts 230 V (D): 100 watts 230 V
134725. Star/Delta starter used in a:
(A): DC Series (B): DC Shunt (C): AC single phase (D): Three phase Induction Motor
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