Give the classification of transformer based on: i) Construction ii) Voltage level iii) Number of phases iv) Applications
Classification of transformer based on: i) Construction: Shell type, Core type, Berry type ii) Voltage level: Step-Up, Step-Down, iii) Number of phases: Single phase, Three phase iv) Applications: Power T/F, Distribution T/F
Description : Differentiate between positive and negative feedback on the basis of . (i) overall phase shift (ii) voltage gain (iii) stability (iv) applications
Last Answer : Compare positive feedback and negative feedback on the basis of: (i) Gain (ii) Bandwidth (iii) Phase shift (iv) Stability
Description : Define following parameter of rectifier: (i) Ripple factor (ii) Efficiency (iii) Peak Inverse Voltage (iv) Transformer utilization factor
Last Answer : (i) Ripple Factor - Ripple factor (γ) may be defined as the ratio of the root mean square (rms) value of the ripple voltage to the absolute value of the DC component of the ... the same rectifier. Effective VA Rating of transformer is the average of primary and secondary VA rating of transformer.
Description : Compare pin type and suspension insulators on given points: (i) Position of insulator on cross arm. (ii) Position of conductor on insulator. (iii) Reaction on cross arm. (iv) Possibility of ... Replacement cost (vi) Maximum voltage level (vii) Effect on height of supporting structure. (viii) Life
Last Answer : S.No Points Pin Type insulator Suspension or Disc Type insulator 1 Position of insulator on cross arm It is fixed on top of cross arm by using galvanized steel pin. So it is ... so to maintain minimum ground clearance height of pole increase. 8 Life Less More
Description : This life cycle model is basically driven by schedule and budget risks This statement is best suited for A. Water fall model B. Spiral model C. Incremental model D. V-Model Q33. The bug tracking ... these phases for each bug. I. Phase injected II. Phase detected III. Phase fixed IV. Phase removed
Last Answer : B. I, II and IV
Description : Select the correct order for the different phases of virus execution. i) Propagation phase ii) Dormant phase iii) Execution phase iv) Triggering phase A) i, ii, iii, and iv B) i, iii, ii and iv s D) ii, iii, iv and i
Last Answer : C) ii, i, iv an iii
Description : Compare between BJT and FET on the basis of (i) Biolar/Unipolar (ii) Tharmal Runaway (iii) Noise (iv) Applications
Last Answer : Parameter BJT FET Bipolar/Unipolar It is bipolar device i.e. current in this device is carried by electrons and holes. It is unipolar device i.e. current ... in oscilloscopes, electronic voltmeters and other measuring and testing equipment because of their high input impedance.
Description : Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.
Last Answer : Parts Insulating Materials Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils. ... Transformer bushings Porcelain Insulation between transmission line and pole. Porcelain
Description : function of equipment’s used in sub-stations : (i) Earth Switch (ii) Relay (iii) Lighting Arrester (iv) Auxiliary transformer
Last Answer : (i) Earth Switch It's function is to discharge the ground capacitance when line is open circuited for maintenance purpose by isolator.) Earthing switch is inter - locked with isolator from the safety point ... 3-ph, 4wire, 400V) to give supply to control room, area lighting, staff quarters etc,
Description : In which section of the 24 VDC power supply circuit illustrated, does the greatest change in voltage level take place when fed from ships power. EL-0085 A. I B. II C. III D. IV
Last Answer : Answer: A
Description : Match column I with column II for housefly classification and select the correct option using the codes given below. Column I Column II A. Family (i) Diptera B. Order (ii) Arthropoda C. Class (iii)Muscidae D. Phylum (iv) Insecta (a) A-( ... B-(iii), C-(ii), D-(i) (d) A-(iv), B-(ii), C-(i), D-(iii)
Last Answer : (d) A-(iv), B-(ii), C-(i), D-(iii)
Description : The increased gain of 10 dbs for single line & ‘D’ marks rails on double/multiple lines shall be employed for classification of defects. (i) defect in weld (ii) defects in rail. * (iii) for both defects on weld & rail. (iv) None of above.
Last Answer : ii) defects in rail. *
Description : Classify the soil according to IS Classification and explain the meaning of following terms i) GW ii) SP iii) ML iv) SM-ML
Last Answer : As per IS classification soil is broadly divided into three divisions: 1. Coarse grained soil: In these soils, more than half the total material by mass is larger than 75 micron IS ... medium compressibility. iv) SM-ML - boundary classification between coarse grained and fine grained soils.
Description : Define each of following terms of operational amplifiers i) Slew rate ii) Input offset voltage iii) Voltage gain iv) Input capacitance
Last Answer : i) Slew rate:- Maximum rate of change of o/p voltage per unit of time. It is express in volt/µsec. ii) Input offset voltage:- The voltage that must be applied between two ... capacitance that can be measured at either be inverting or non-inverting terminal with other terminal connected to ground.
Description : Compare BJT common base configuration with common collector configuration on the basis of (i) Current gain (ii) Voltage gain (iii) Input impedance (iv) Output impedance
Last Answer : Parameter Common Base Common Collector Current gain Low (About 1) High (1+β) Voltage gain High 1 Input impedance Low High Output impedance High Low
Description : Match the organism with its use in biotechnology. (A) Bacillus (i) Cloning vector thuringiensis (B) Thermus (ii) Construction of first aquaticus rDNA molecule (C) Agrobacterium (iii)DNA polymerase tumefaciens (D) Salmonella (iv) Cry proteins ... (ii) (c) (iii) (ii) (iv) (i) (d) (iii) (iv) (i) (ii)
Last Answer : (b) (iv) (iii) (i) (ii)
Description : Suggest the type of cement used for the following : (i) For modular construction where form work needs to be removed early for re-use. . (ii) Mass concreting such as construction of dam. (iii) Decorative works in external surfaces of building. (iv) Cementing the oil well.
Last Answer : i) For modular construction where form work needs to be removed early for reuse. – Rapid Hardening Cement ii) Mass concreting such as construction of dam. – Low heat cement. iii) Decorative works in external surfaces of building – Coloured cement. iv) Cementing the oil well. – Oil Well Cement.
Description : Compare orifice plate with venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss
Last Answer : Venturi Flow Meter vs Orifice Plate Meter
Description : Suggest the minimum grade of concrete for following exposure condition. i) RCC work ii) Water retaining structure iii) Sea water construction iv) Pre-stressed concrete
Last Answer : Minimum grade of concrete for following exposure condition: i) RCC work = M 20 ii) Water retaining structure = M 25 iii) Sea water construction = M 20 for PCC and M 30 for RCC iv) Pre-stressed concrete = M 30
Description : Medicine technology have applications in the fields of i) Pharmacy ii) Prosthetics iii) Both A & B iv) None of these
Last Answer : iii) Both A & B
Description : Compare Brazing and Soldering on the basis of : (i) Temperature Used. (ii) Filler Material. (iii) Joint Strength (iv) Applications.
Last Answer : Comparison of Brazing and Soldering:
Description : Name any two applications of following gases: (i) Nitrogen (ii) Hydrogen (iii) Sf6 (iv) Air.
Last Answer : i) Applications of Nitrogen: 1. As a cooling agent. 2. To avoid oxidation. 3. Electrical insulating material (Gas) in electrical equipment. ii) Applications of Hydrogen: 1. High ... As a cooling agent in electrical machines. 2. Electrical insulating material (Gas) in electrical equipment.
Description : State any two applications of each for the following types of electrical heating : (i) Direct resistance heating(ii) Indirect induction heating (iii) Direct.arc heating (iv) Dielectric heating
Last Answer : (i) Direct resistance heating:- 1. This type of heating used for industrial purpose 2. Salt bath heating: This utilized for the purpose of carbonizing, tempering, quenching and hardening of steel tools 3. ... purpose. 14)In foundry for heating of sand, core, which are used in molding processes.
Description : This invention replaced vacuum tubes and made computers much smaller and faster. However, it was eventually replaced by another invention (i) RAM (ii) ENIAC (iii) Transformer (iv) Transistor.
Last Answer : (iv) Transistor.
Description : Which of the following statements regarding the features of Information and Communication Technology (ICT) is/are true ? I. ICT are the main instruments for the creation of computer networks and the applications based on them. II. ... II only (B) I and III only (C) II and III only (D) I, II and III
Last Answer : (A) I and II only
Description : Which section of the circuit is responsible for maintaining a nearly constant voltage for all loads within its operating range? EL-0085 A. I B. II C. III D. IV
Last Answer : Answer: D
Description : Name the instruments used for measuring each of the following: (i) Pressure (ii) Voltage (iii) Purity of milk (iv) Temperature (v) Velocity of wind
Last Answer : Answers: (i). Barometer (ii). Voltmeter (iii). Lactometer (iv). Thermometer (v). Anemometer
Description : a) For a transmission line, Find SWR and reflection coefficient R if, i. There is no reflected voltage. ii. Reflected voltage and incident voltage is equal. iii. If reflected voltage=20V and incident voltage=10V. iv. If reflected voltage=10V and incident voltage =20V.
Last Answer : reflection coefficient R=Vr/Vi i. There is no reflected voltage. i.e,Vr=0 R=0 SWR= 1+R/1-R=1 ii. Reflected voltage and incident voltage is equal. Vr=Vi; R=1 SWR= 1+R/1-R=1+1/1-1=infinity iii. If reflected ... and incident voltage =20V. Vr=10 and Vi=20 R=10/20=0.5 SWR= 1+R/1-R=1+.5/1-.5=3
Description : Define with respect to FET:- (i) Static drain resistance (ii) Dynamic resistance (iii) Trans conductance (iv) Pinch-off voltage
Last Answer : (i) Static drain resistance- It is the ratio of drain source voltage (ΔVDS) to the drain current (ID) at constant gate-source voltage. It can be expressed as, Rd = (VDS)/(ID) at ... of charge carrier and the value of drain current reaches its constant saturation value is called pinch off voltage.
Description : Define: i) Input Offset Voltage ii) Input offset Current iii) Input Bias Current iv) Output offset voltage
Last Answer : Definition of parameters of OPAMP is follows: i) Input Offset Voltage: Input offset voltage is defined as the voltage that must be applied between the two input terminals of an OPAMP to null or ... to ground) and output voltage is obtained non zero such voltage is output offset voltage of opamp.
Description : Define: i) Arc voltage, ii) Recovery voltage, iii) Restriking voltage, iv) RRRV
Last Answer : i) Arc Voltage: The voltage existing between the circuit breaker contacts during arcing is called as the arc voltage. It is low value compared to the system rated voltage. Normally it is around 3% ... steepest tangent to the restriking voltage curve. It is expressed in volts per micro-second.
Description : Identify type of BJT configuration having following features : (i) BJT configuration having the least current gain. (ii) KIT configuration called as voltage follower. (iii) BJT ... configuration suitable for voltage amplification. (vi) BJT configuration having the least output impedance.
Last Answer : (i) BJT configuration having the least current gain : Common Base Configuration (ii) KIT configuration called as voltage follower: Common Collector Configuration (iii) BJT ... Emitter Configuration (vi) BJT configuration having the least output impedance: Common Collector Configuration
Description : the classification of cables. (i) According with voltage levels. (ii) According to numbers of core.
Last Answer : 1. Classification of cables with their voltage levels: 1. Low voltage (tension) cable/LT cable: for operating voltage 1.1 KV. 2. High voltage (tension) cable/HT cable: for operating voltage 11 KV. 3. Super ... 4. Three & half core cable. 5. Four core cable 6. Six core cable 7. Multi core cable
Description : Write one application for the give dielectric material. (i) Polyvinyl Carbide(PVC) (ii) Glass (iii) Mica (iv) Cotton and Silk
Last Answer : (i) Polyvinyl Carbide(PVC):it is used in insulation of wires and cables in domestic wiring as well as in aircraft and factory wiring (any one) (ii) Glass: 1) Alkaline glasses are used for ... with wax or varnishes are used in windings of magnet coils and small medium sized mechanics (any one)
Description : Give purpose and location of i) Uninsulated overlap. ii) Insulated overlap. iii) Neutral section. iv) Section insulator.
Last Answer : Ans: i) Insulated overlap: To isolate for operation and maintenance of OHE if two lengths of OHE belong to two elementary sections. Located at feeding posts, sub sectioning posts and booster sections. ... elementary section. Located at cross over from one track to other, from main line to siding.
Description : Which of the following is the correct sequence of events in the origin of life? I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic polymers IV. Formation of DNA-based genetic systems (a) I, II, III, IV (b) I, III, II, IV (c) II, III, I, IV (d) II, III, IV, I
Last Answer : c) II, III, I, IV
Description : Based on this extract, pick the option with the list of words that best describe Mr Keesing. i) Jovial and creative ii) Strict and innovative iii) Tolerant and strict iv) Innovative and jovial
Last Answer : ii) Strict and innovative
Description : Examine the following statements: (i) Factor of safety for steel should be based on its yield stress, (ii) Factor of safety for steel should be based on its ultimate stress, (iii) Factor of safety for concrete should be based on ... (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv
Last Answer : Answer: Option B
Description : Which of the following is the task of a Test Lead / Leader: i. Interaction with the Test Tool Vendor to identify best ways to leverage test tool on the project. ii. Write Test Summary Reports based on the ... is true and ii,iii,iv are false d) iii and iv is correct and i and ii are incorrect
Last Answer : a) i, ii, iii is true and iv is false
Description : Which of the following represents the step of scientific methodI- Develop hypothesis based on evidenceII- Calculate hash value of evidenceIII- Test the hypothesis to look for additional evidence IV-make an imaging of the original evidence A. All above B. I and III C. II and IV D. II, III and IV
Last Answer : B. I and III
Description : Which of the following represents the step of scientific method? I- Develop hypothesis based on evidence II- Calculate hash value of evidence III- Test the hypothesis to look for additional evidence IV-make an imaging of the ... a. I and IV b. I and II c. II, III and IV d. All of above
Last Answer : b. I and II
Description : Successful weed management is based on a). Knowledge on weed biology b). Survey on the nature of weed problem c). Whole farm planning d). Removal of weeds before flowering i. a & b ii. b & d iii. c & d iv. All
Last Answer : v. All
Description : Filtering of packets by firewall based on a router has facilities to a. i, iii b. i, ii, iii c. i, ii, iii, iv d. ii, iii, iv
Last Answer : b. i, ii, iii
Description : Differentiate induced draft and forced draft cooling towers based on (i) Location of fan (ii) Corrosion of blades (iii) Efficiency (iv) Fan size
Last Answer : Differentiate induced draft and forced draft cooling towers based on (i) Location of fan (ii) Corrosion of blades (iii) Efficiency (iv) Fan size
Description : Sourya committee had proposed the establishment of sourya institutes of Technology (SITs) in line with Indian Institutes of Technology (IITs) to cater to the technological and industrial needs of a developing country Which of the ... (iv) only (C) (ii) and (iv) only (D) (ii) and (iii) only
Last Answer : Correct option is (C). Option (i) and (iii) state phrases like ‘in the initial years’ and ‘SIT like institutions can only be established in consultation with IIT’ cannot be logically inferred so (ii) and (iv) are the best inferences i.e. option (C)
Description : Define : i) Atomic number ii) Atomic mass number iii) Energy level iv) Sub energy level
Last Answer : i) Atomic number: It is defined as; the number of protons present in the nucleus, which exactly balances the number of electrons present in the extra nuclear part. ii) Atomic mass number: It ... : The close grouping of number of energy levels in the main energy level is called sub energy level.
Description : Match the trophic levels with their correct species examples in grassland ecosystem. (A) Fourth trophic level (i) Crow (B) Second trophic level (ii) Vulture (C) First trophic level (iii) Rabbit (D) Third trophic level (iv) Grass Select the ... i) (iv) (c) (iv) (iii) (ii) (i) (d) (i) (ii) (iii) (iv)
Last Answer : (a) (ii) (iii) (iv) (i)
Description : Which of the followingg planning is executed at the grass root level? (i) Centralised Planning (ii) Decentralised Planning (iii) Fixed Planning (iv) Imperative Planning
Last Answer : (ii) Decentralised Planning
Description : The aim of planning is- (i) Rising price level (ii) Unemployment (iii)Rapid economic growth (iv) Democratic election
Last Answer : (iii) Rapid economic growth
Description : Match every stage of the software Development Life cycle with the Testing Life cycle: i. Hi-level design a Unit tests ii. Code b Acceptance tests iii. Low-level design c System tests iv. Business requirements d Integration tests a) i-d , ii ... i-b , ii-a , iii-d , iv-c d) i-c , ii-a , iii-d , iv-b
Last Answer : d) i-c , ii-a , iii-d , iv-b
Description : Deciding how much testing is enough should take into account:- i. Level of Risk including Technical and Business product and project risk ii. Project constraints such as time and budget iii. Size of Testing Team iv. Size ... ii are true and iii, iv are false d) ii, iii, iv are true and i is false
Last Answer : c) i, ii are true and iii, iv are false