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You Are On Multi Choice Question Bank SET 3393
169651. Jallianwallabag Tragedy was occurred in :
(A): 1919 (B): 1911 (C): 1909 (D): 1921
169652. The river called as Ganga of Kerala :
(A): Kahani (B): Kaveri (C): Bharathappuzha (D): Periyar
169653. The colour of Red soil is due to the presence of:
(A): Carbon Sulphate (B): Iron oxide (C): Methanol (D): Copper oxide
169654. Inhabitants of Kurinji during Sangam period is knows as:
(A): Uzhavar (B): Idayar (C): Meenavar (D): Vettuvar
169655. The amendment of our constitution that made education as a fundamental
(A): 86 (B): 84 (C): 68 (D): 72
169656. The only congress session presided by Mahatma Gandhi:
(A): Nagpur (B): Belgam (C): Poona (D): Bombay
169657. Dharsanamala was the famous work of:
(A): Kumaranasan (B): Dr. Palpu (C): Sree Narayana Guru (D): Ayyankali
169658. Pallivasal Hydro Electric scheme was inaugurated during the period of:
(A): Chithira Thirunal Balarama Varma (B): Dharma Raja (C): Swathi Thirunal (D): Moolam Thirunal
169659. What is the form factor of pure sine wave?
(A): 0.11 (B): 1.01 (C): 1 (D): 1.11
169660. A magnifying glass is used :
(A): During filling operation (B): While taking precision measurements (C): During chipping operation (D): During cutting operation
169661. A delayed-action cartridge fuse is used for :
(A): Motor circuits (B): Lighting circuits (C): Heating circuits (D): None of these
169662. The effect of smoke, acid and alkali is negligible on :
(A): TRS wire (B): MR wire (C): Lead sheathed wire (D): Flexible wire
169663. The inner tube of a HPMV lamp is filled with :
(A): Argon gas (B): Halogen gas (C): Helium gas (D): Nitrogen gas
169664. Total electrical degrees for a 4 pole AC machine is equal to :
(A): 180° (B): 360° (C): 720° (D): 1080°
169665. Highest dopped region in a transistor is :
(A): Emitter (B): Base (C): Collector (D): All equally
169666. Impurities in an electrolyte can cause an internal short-circuit condition called :
(A): Electrolysis (B): Depolarization (C): Polarization (D): Local action
169667. Induction instruments have found widest applicationas :
(A): Watt hour meter (B): Frequency meter (C): Voltmeter (D): Ammeter
169668. The power factor of an ordinary electric bulb is :
(A): Zero (B): Unity (C): Lagging (D): Leading
169669. Function of a relay is :
(A): Fault detection (B): Energize the tripping circuit (C): Both (A) and (B) (D): None of the above
169670. The electrolyte of lead acid battery is :
(A): H2SO4 (B): H2O (C): PbSO4 (D): KOH
169671. In an AC circuit, the ratio of KW/KVA represents :
(A): Load power factor (B): Form factor (C): Power factor (D): Diversity factor
169672. The ratio of average load to the maximum demand during a given period is known as
(A): Average factor (B): Demand factor (C): Load factor (D): Power factor
169673. The capacitance of a transmission line is a :
(A): Series element (B): Shunt element (C): Either (A) or (B) (D): None of these
169674. If the diameter of conductor decreases, inductance of the line is :
(A): Increased (B): Decreased (C): Not affected (D): None of these
169675. If the power factor of the load decreases, the line losses :
(A): Not changed (B): Decreased (C): Increased (D): Either (B) or (C )
169676. Under operating conditions, the maximum stress in a cable is at:
(A): Centre of conductor (B): End of conductor (C): Same (D): Conductor surface
169677. In practice, tap-changing is performed on load so that there is-----
(A): Interrupted (B): No interruption (C): Either (A) or (B) (D): None of these
169678. The principle cause of voltage variation in system is depend on :
(A): Power factor (B): Frequency (C): Size of conductor (D): Load
169679. Forced - blast circuit breakers have——speed of circuit interruption
(A): Low (B): Medium (C): High (D): Very high
169680. The time current characteristics of a fuse has :
(A): Direct (B): Inverse (C): Linear (D): None of these
169681. The melting point of fuse element should have :
(A): Low (B): Medium (C): High (D): Very High
169682. Capacitive current breaking results in :
(A): Current surges (B): Harmonics (C): Arcing (D): Voltage surges
169683. The voltage build-up process of a dc generator is
(A): Difficult (B): Dclayed (C): Infinite (D): Cumulative
169684. The voltage regulation of an over compound dc generator is always :
(A): Negative (B): Positive (C): Zero (D): High
169685. The normal value of the armature resistance of adc motor is:
(A): 0.005 (B): 0.5 (C): 10 (D): 100
169686. A dc motor develops a torque of 200 N-m at 25 rps. At 20 rps it will develop a torque of____N-m.
(A): 128 (B): 160 (C): 200 (D): 250
169687. The speed of dc motor is inversely its :
(A): Flux (B): Voltage (C): Frequency (D): Pole
169688. A transformer has negative voltage regulation when its load power factor is :
(A): Zero (B): Leading (C): Unity (D): Lagging
169689. A T-T transformer cannot be paralleled with---------------transformer.
(A): V-V (B): Y-A (C): Y-Y (D): A-A
169690. The rpm of turbo alternator has :
(A): Low (B): Medium (C): High (D): Any of these
169691. The efficiency of a 3-phase induction motor is approximately proportional to :
(A): S (B): N (C): N. (D): (1 — S)
169692. To change the DOR of repulsion motor is :
(A): To shift brush position (B): To interchange phase andneutral (C): To varying frequency (D): All of the above
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