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What kind of snake is this?
Last Answer : It looks like a copperhead snake from the first image here.

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Would sand be considered a type of geological sample?
Last Answer : You bet

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How to Type Faster ?
Last Answer : How to Type Faster Touch typing and speed typing are essential skills in today's technology-driven age. While computers are very common these days, some people are still trying to get the hang of typing ... to speed up your typing pace, you can write words and input code faster than ever before.

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10 views 1 answer



How to Touch Type ?
Last Answer : How to Touch Type Touch typing is the skill of typing legibly on a keyboard without having to look at it. What was once a skill attributed to secretaries, now a necessity in our web-connected world. Here's how ... as you type, not at the keyboard. You'll get used to it and master it in no time.

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14 views 1 answer



Explain working of a storage type water cooler with a sketch. 
Last Answer : The storage type cooler has the evaporator coil soldered on to the walls of the storage tank of the cooler, generally on to the outside surface of the walls. The tank could be of the ... outside at a lower level, much below the lower most evaporator refrigerant tube soildered on to the tank. 

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154 views 1 answer



State two applications of : (i) PVC paper (ii) Porcelain with type of class based on withstand temperature is insulating material. 
Last Answer :  (i) Application of PVC paper : 1. It is used in slot lining or motor winding insulation purpose 2. For Insulation of Transformer winding (ii) Application of Porcelain : 1. Mainly used for manufacturing ... on withstand temperature : * H' & C' Class of insulation i e. 180° and above 180°C 

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311 views 1 answer



State the type of insulating materials under Class Y and Class B.
Last Answer : The type of insulating materials under Class Y : 1. Cotton  2. Silk 3. Paper 4. Rubber 5. PVC The type of insulating materials under Class B: 1. Backelite 2. Impregnated varnish 3. Mica 4. Fiber glass 5. Asbestos 

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202 views 1 answer



State advantages of rotating field type alternators. 
Last Answer : Advantages of Rotating Field Type Alternator: 1) For high-voltage alternator, large space is required to accommodate conductors with insulation, as high voltage is induced in them. If field poles are placed ... is kept rotating. 8) Rotating field is comparatively light and can run with high speed. 

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147 views 1 answer



Compare Dual slope DVM and SAR type DVM.
Last Answer : Sr no Dual slope DVM SAR type DVM 1 It is highly accurate It is moderately accurate 2 Cost is high It is inexpensive 3 Two comparator is used One comparator is used ... resolution Good resolution 5 Slow speed High speed 6 Less Error More error

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2.3k views 1 answer



operation of ramp type DVM.
Last Answer : This is given to an input comparator which will compare two signals and generates the output. One input to the input comparator is from the input and another input is from the ramp. This input voltage and ... ground and output is given. This output will stop the flow of purchase from clock

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202 views 1 answer



operating principle of condenser type microphone with neat diagram.
Last Answer : Principle: When sound pressure moves the diapharam in, the capacitance increases, and when it moves out, the capacitance decreases. The change in capacitance results in change in out put voltage of microphone. ... in volts.  Q= charge in coulombs  C= capacitance in farad Diagram: 

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99 views 1 answer



Describe the working principle of photoelectric pickup type tacho-generator.
Last Answer : Working: Working principle: The light passes through the holes available on the rotating disc with a specific interval, depends on the angular speed of disc having equidistant holes. The frequency of this light pulses ... by N=f/HS  N=speed  f=frequency  Hs=holes on the disc

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537 views 1 answer



State the use of RADAR type level transducer & list two advantages.
Last Answer : Applications of radar type transducer: i) RADAR type level transducer is suitable for large tanks with range upto 200m for level measurement. ii) It is used for continuous level measurement. ... iii) Not affected by corrosive materials. iv) Can be used for hard to handle' applications.

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77 views 1 answer



Blackt Electrotech 230V 24x7 Energy Saving Socket Type Digital Programmable Plastic Electronic Timer (White)
Last Answer : Buy from amazon: https://amzn.to/2SUTSdv Buy: http://bit.ly/2ZqlAkS

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104 views 1 answer



State any four characteristics of core type transformer.
Last Answer : Characteristics of core type transformer: i) It has one window. ii) It has one magnetic circuit. iii) Core surrounds the winding. iv) Average length of core is more. v) Area of cross ... Better cooling for winding. vii) Mechnical strength is comparatively less. viii) Repair and maintenance is easy.

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137 views 1 answer



With diagram explain bottoming cycle type of co-generation.
Last Answer : Bottoming cycle type of co-generation: i) Bottoming cycle of co-generation system is that in which high temperature heat energy is produced using primary fuels. ii) This heat produced is ... of the system greatly. vii) Bottoming cycles are suitable for cement industries, ceramic factories etc.

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121 views 1 answer



Describe principle of operation of Doppler type ultrasonic flow meter with diagram. 
Last Answer : Diagram: Working:  The flow meter consists of a crystal transducer mounted outside the pipe in which flow is to be measured. This transducer is a piezoelectric crystal which ... , so the frequency of the reflected wave is shifted to particle velocity, according to Doppler principle.

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183 views 1 answer



Draw the diagram and explain the working of ferrodynamic type frequency meter. 
Last Answer : Ferrodynamic type frequency meter: (Electrical resonance type frequency meter): It consists of a fixed coil. The supply whose frequency is to be measured is connected across it. This coil ... so selected that the moving coil takes up a convenient position when frequency is of normal value. 

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6.4k views 1 answer



Explain the essential toques in analog type measuring instruments.
Last Answer : List of torques in analog instruments:  1. Deflecting torque  2. Controlling / Restraining torque.  3. Damping torque.  1. Deflecting torque: To create deflection proportional to ... the speed higher will be the damping torque bringing the pointer to the equilibrium position quickly. 

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409 views 1 answer



State the function and shape of following parts used in induction type energy meter: i) Series magnet ii) Shunt magnet iii) Al disc iv) Brake magnet
Last Answer : i) Series magnet: produce flux proportional to current (load current) of circuit and interact in the aluminum disc with flux produced by voltage magnet for torque production. Its shape is like letter U.  ii) ... : brakes the motion of the aluminum disc or slows it down. Its shape is like letter C. 

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185 views 1 answer



With neat sketch explain working of Weston type synchroscope.
Last Answer : Weston type synchroscope:  Working: It consists of three limbed transformer. The winding on one of the outer limbs is excited from bus- bars and that on other limb by incoming machine. The two fluxes ... the lamp is flickering at a very much slow rate and it is at its maximum brightness.

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841 views 1 answer



State the effects of errors in dynamometer type wattmeter due to i) pc- inductance ii) pc- capacitance iii) mutual inductance iv) Connection.
Last Answer : Errors in wattmeter:  i) pc - inductance: Pressure coil inductance causes wattmeter to read more power than actual .  ii) pc-capacitance: The wattmeter reads less power.  iii) ... iv) Connection: In uncompensated wattmeter , the reading of wattmeter includes the powerloss in coils. 

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149 views 1 answer



With a neat sketch explain working of 1 phase dynamometer type power factor meter.
Last Answer : Working of 1 phase dynamometer type power factor meter : The current coil is connected in series with load. Two pressure coils marked as A and B are connected across the supply terminals ... becomes stationary and the pointer shows steady deflection corresponding to the power factor of the load. 

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204 views 1 answer



Draw a neat sketch of 1-ph induction type energy meter and write operating principle of it. 
Last Answer : Operating Principal:- The disc is placed between the two-flux due to pressure coil and flux due to current coil, which will set up torque on the disc which is proportional to power causing the ... is proportional to voltage, the second carries a current coil so its flux is proportional to current.

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175 views 1 answer



With neat diagram explain constructional details of dynamometer type wattmeter.
Last Answer : Working Principle of Wattmeter: It consists of two stationary coils, called current coils and one moving coil, called voltage or potential coil. The moving coil is mounted on the spindle, in the gap ... experiences a force and tends to move in the direction as per Fleming's left hand rule. 

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615 views 3 answers



Explain construction & working of attraction type M.I. instrument with neat diagram.
Last Answer : 1. Moving element: a small piece of soft iron in the form of a vane or rod.  2. In Attracted type a cylindrical coil or solenoid which is kept fixed. An oval-shaped soft-iron piece are ...   9. When = the pointer will be stable & we can get correct reading of the electrical quantity

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3.6k views 2 answers



Explain working of Weston type frequency meter.
Last Answer : Weston Type Frequency Meter: There are two fixed coils marked as A and B. Each coil divided into two equal parts and are fixed such that their magnetic axis are perpendicular to each ... leading to deflections in either direction depending on the currents there in, due to changed impedances.

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3.5k views 2 answers



Explain construction & working of electrodynamometer type wattmeter.
Last Answer : Electrodynamometer Type Wattmeter:  Construction: It essentially consists of the fixed and moving coil. The fixed coil is split into two equal parts which are placed close together and parallel to each other. ... hence these instruments can be used for measurement of A.C. & D.C. power.

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1.0k views 1 answer



Why energy meter is integrating type measuring instrument?
Last Answer : Energy Meter is Integrating Type Measuring Instrument: Energy meter is used for measurement of energy, which is obtained by integration (summation) of power supplied over the particular time duration, hence it the integrating type measuring instrument. 

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131 views 1 answer



Write any two advantages of MI type instrument.
Last Answer : Advantages of MI Type Instrument: 1. These are robust in construction. 2. Used for both A.C. as well as D.C. measurements. 3. These are economical. 4. These possess high operating torque 5. These are simple in construction hence can be easily handled.

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92 views 1 answer



List any four errors in induction type energy meter. Give method of compensation for each.
Last Answer : Errors in Induction Type Energy Meter with their Compensation:  1) Error due to friction: This error can be compensated by the additional shading band provided on the shunt electromagnet.  2) Phase ... error: This error can be compensated by providing a flux diverter' to the current magnet. 

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1.9k views 1 answer



Describe the operation of N channel enhancement type MOSFET with diagram.
Last Answer : As its name indicates, this MOSFET operates only in the enhancement mode and has no depletion mode. It operates with large positive gate voltage only. It does not conduct when the ... of charge carriers attracted to the positive gate. Thus drain current is controlled by the gate potential.

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653 views 1 answer



The number of insulator discs (each rated 11 kV) required in a suspension type insulator string of 220 kV line is 
Last Answer : The number of insulator discs (each rated 11kV) required in a suspension type insulator string of 220 kV line is 16

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369 views 1 answer



Cylindrical type transformer has:  (A) Single magnetic circuit (B) Double magnetic circuit (C) All of the above (D) None of the above
Last Answer : Cylindrical type transformer has: Single magnetic circuit

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122 views 1 answer



Core type transformers are popular in___________.  (A) High voltage applications (B) Low voltage applications (C) All of the above (D) None of the above
Last Answer : Core type transformers are popular in High voltage applications

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99 views 1 answer



For measurement of radio frequency ac signals __________ type meter is used
Last Answer : For measurement of radio frequency ac signals thermo-couple type meter is used

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182 views 1 answer



A thyrite type lightening arrester :
Last Answer : A thyrite type lightning arrester : offers low resistance path to surge currents

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368 views 1 answer



In the induction type directional over current relay, when a short-circuit occurs in the circuit (A) power flows in reverse direction (B) power flows in normal direction (C) directional power element does not operate (D) over current element is not energized
Last Answer : In the induction type directional over current relay, when a short-circuit occurs in the circuit power flows in reverse direction

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124 views 1 answer



An induction type energy meter is found to run fast. Correction for this error can be made by  (A) Over-load compensation. (B) Voltage compensation. (C) Moving the brake magnet away from the centre of the disc. (D) Moving the brake magnet towards the centre of the disc.
Last Answer : An induction type energy meter is found to run fast. Correction for this error can be made by Moving the brake magnet away from the centre of the disc.

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159 views 1 answer



The operation of a ramp type Digital Voltmeter is based on the principle of (A) Voltage-to-current conversion. (B) Voltage-to-time conversion. (C) Current-to-time conversion. (D) Current-to-frequency conversion.
Last Answer : The operation of a ramp type Digital Voltmeter is based on the principle of Voltage-to-time conversion.

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135 views 1 answer



The number of comparators required in a 4 bit comparator type ADC is (A) 16 (B) 15 (C) 17 (D) 12
Last Answer : The number of comparators required in a 4 bit comparator type ADC is 15

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458 views 1 answer



A suspension type insulator has 2 units with self capacitance C and ground capacitance of 0.2 C. Each unit can withstand for a maximum voltage of 11 kV. Its string efficiency is  (A) 78% (B) 82% (C) 80% (D) 84%

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255 views 0 answers



A piezo-electric type pressure sensor has a sensitivity of 1 mV/kPa and a bandwidth of 300 Hz to 300 kHz. For a constant (dc) pressure of 100 kPa, the steady state output of the sensor in millivolt is (A) 0 (B) 2 (C) 4 (D) 6
Last Answer : A piezo-electric type pressure sensor has a sensitivity of 1 mV/kPa and a bandwidth of 300 Hz to 300 kHz. For a constant (dc) pressure of 100 kPa, the steady state output of the sensor in millivolt is 0

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182 views 1 answer



What type of biasing is used in CE amplifier?

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Last Answer : Induction type single phase energy meters measure electric energy in kWh.

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481 views 1 answer



The type of D.C. motor used for shears and punches is?
Last Answer : The type of D.C. motor used for shears and punches is cumulative compound D.C. motor.

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216 views 1 answer




Last Answer : For any type of consumer the ideal tariff is three part tariff.

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127 views 1 answer




Last Answer : The voltage regulation in magnetic amplifier type voltage regulator is effected by varying the reactance.

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108 views 1 answer




Last Answer : The torque produced in induction type relay (shaded pole structure) is inversely proportional to the square of the current.

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835 views 1 answer




Last Answer : Overload relays are of induction, solid state, thermal, electromagnetic type.

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75 views 1 answer