What are the seven base units?

What are the seven base units?
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Length, mass, time, electric current, temperature, luminous intensity and amount of substance are the seven base units.
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Description : Units of Measurement

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Basic SI units

Description : Basic SI units

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List the four different units of pressure.

Description : List the four different units of pressure.

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What is the choice of size and number of generator units in interconnected power system?

Description : What is the choice of size and number of generator units in interconnected power system?

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What is the Laplace transform of step signal of 5 units magnitude?

Description : What is the Laplace transform of step signal of 5 units magnitude?  A) 5s B) 5/s C) s/5 D) 1/s 

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The units of moment of inertia of mass are?

Description : The units of moment of inertia of mass are?

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The unit of work or energy in S.I. units is

Description : The unit of work or energy in S.I. units is

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The unit of force in S.I. units is

Description : The unit of force in S.I. units is

Last Answer : The unit of force in S.I. units is Newton.

How to Steal a Base

Description : How to Steal a Base

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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.

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.

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Define the following terms : (i) Base Station (ii) Control Channel (iii) Mobile Station (iv) Page

Description : Define the following terms : (i) Base Station (ii) Control Channel (iii) Mobile Station (iv) Page 

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Compare base load plant with peak load plant on any two points.

Description : Compare base load plant with peak load plant on any two points.

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State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant.

Description : State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant. 

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If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be

Description :  If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be A) 0.98 B) 0.41 C) 59 D) 55  

Last Answer :  If the base current of a BJT is 250 µA and emitter current is 15 mA, then the common base current gain will be 0.98 

The time base signal in Cathode Ray Oscilloscope (CRO) is

Description : The time base signal in Cathode Ray Oscilloscope (CRO) is  (1) A square wave signal (2) A sawtooth signal (3) A triangular wave signal (4) A sinusoidal signal

Last Answer : 2 Saw tooth 

_______ is invariably used as base load plant.

Last Answer : Nuclear power plant is invariably used as base load plant.

Which of the seven SI (International System of Units) base units may also refer to one of the mammals in the Talpidae family?

Description : Which of the seven SI (International System of Units) base units may also refer to one of the mammals in the Talpidae family?

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What are the SI derived units?

Description : What are the SI derived units?

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What are fundamental units? State the S.l. units of seven fundamental quantities.

Description : What are fundamental units? State the S.l. units of seven fundamental quantities.

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The base of the octal system is 71) A) eight. B) two. C) ten. D) seven.

Description : The base of the octal system is 71) A) eight. B) two. C) ten. D) seven.

Last Answer : A) eight.

need of calibration and explain the procedure to calibrate the instrument.

Description : need of calibration and explain the procedure to calibrate the instrument.

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Compare Dual slope DVM and SAR type DVM.

Description : Compare Dual slope DVM and SAR type DVM.

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block diagram of logic analyzer.

Description : block diagram of logic analyzer.

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operation of DSO with block diagram.

Description : operation of DSO with block diagram.

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sketch time period measurement by CRO.

Description : sketch time period measurement by CRO.

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operation of ramp type DVM.

Description : operation of ramp type DVM.

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operation of half wave rectifier type AC Voltmeter.

Description : operation of half wave rectifier type AC Voltmeter.

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operation of whetstone bridge.

Description :  operation of whetstone bridge. 

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role of the series resistance connected in PMMC movement.

Description : role of the series resistance connected in PMMC movement.

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different types of errors occurs in measurement.

Description : different types of errors occurs in measurement.

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tern null as it applies to bridge measurement.

Description : tern null as it applies to bridge measurement.

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application of CRO.

Description : application of CRO.

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How many non-overlapping channels are available in IEEE 802.11b

Description : How many non-overlapping channels are available in IEEE 802.11b

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Number of comparators required for an 8 bit flash ADC is:

Description : Number of comparators required for an 8 bit flash ADC is: (1) 8 (2) 16 (3) 255 (4) 256

Last Answer : Number of comparators required for an 8 bit flash ADC is: 255

In D/A converter, the resolution required is 50mv and the total maximum input is 10v. The number of

Description : In D/A converter, the resolution required is 50mv and the total maximum input is 10v. The number of bits required is   (A) 7 (B) 8 (C) 9 (D) 200

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Choose the correct statement (a) Digital multimeters are built using current measuring elements, while analog

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An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument

Description : An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument will produce a full scale deflection when the current passed through it is  (a) 10 mA (b) 20 mA (c) 50 mA (d) 100 μA

Last Answer : An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument will produce a full scale deflection when the current passed through it is 100 μA

An optical fiber cable laid underground has developed a discontinuity at a distance d from the source end.

Description : An optical fiber cable laid underground has developed a discontinuity at a distance d from the source end. The fault can be located using the instrument  (a) Optical spectrum Analyzer (OSA) (b) Optical Time Domain Reflectometer (OTDR) (c) Optical Power Meter (OPM) (d) Laser Diffractometer (LD)

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Two sinusoidal signals of the same frequency are displayed on a dual-trace oscilloscope. One complete cycle

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Transient signals can be observed using

Description : Transient signals can be observed using  (a) storage oscilloscope (b) sampling oscilloscope (c) wave analyzer (d) spectrum analyzer

Last Answer : Transient signals can be observed using storage oscilloscope

The trace on an oscilloscope continually moves to the right of the screen when

Description : The trace on an oscilloscope continually moves to the right of the screen when  (a) the sweep is triggered. (b) the sweep period is larger than the signal period. (c) the sweep period is smaller than the signal period. (d) there is no weep.

Last Answer : The trace on an oscilloscope continually moves to the right of the screen when the sweep period is smaller than the signal period. 

In a dual trace oscilloscope, the display appears segmented when

Description : In a dual trace oscilloscope, the display appears segmented when  (a) low frequency signals are observed in Alternate mode (b) low frequency signals are observed in Chop mode (c) high frequency signals are observed in Alternate mode (d) high frequency signals are observed in Chop mode

Last Answer : In a dual trace oscilloscope, the display appears segmented when high frequency signals are observed in Chop mode

To distinguish between signals having very close values, we need an instrument with

Description : To distinguish between signals having very close values, we need an instrument with  (a) high accuracy (b) high resolution (c) high sensitivity (d) high linearity

Last Answer : To distinguish between signals having very close values, we need an instrument with high resolution

In a weighted-resistor digital-to-analog converter with 8-bit input, if the resistance corresponding to the MSB

Description : In a weighted-resistor digital-to-analog converter with 8-bit input, if the resistance corresponding to the MSB is 2K, what will be the resistance corresponding to the LSB?  (a) 250 Ω (d) 512 KΩ (c) 256 KΩ (d) 25.5 Ω

Last Answer : In a weighted-resistor digital-to-analog converter with 8-bit input, if the resistance corresponding to the MSB is 2K, what will be the resistance corresponding to the LSB?  (a) 250 Ω (d) 512 KΩ (c) 256 KΩ (d) 25.5 Ω

ESD stands for

Description : ESD stands for

Last Answer : ESD stands for Electro static Discharge

In a particular circuit connection, AWG 18 wire is selected over AWG 22. The reason is that it is having

Description : In a particular circuit connection, AWG 18 wire is selected over AWG 22. The reason is that it is having

Last Answer : In a particular circuit connection, AWG 18 wire is selected over AWG 22. The reason is that it is having Higher current carrying capacity

Very small displacements are effectively measured using

Description : Very small displacements are effectively measured using

Last Answer : Very small displacements are effectively measured using LVDT

Y –axis in a CRO normally represents

Description : Y –axis in a CRO normally represents

Last Answer : Volt 

What are the types of error?

Description : What are the types of error?

Last Answer : Human error or gross error, systematic error, applicational error and random error are the types of error.

What are the factors influencing measurement errors?

Description : What are the factors influencing measurement errors?

Last Answer : The factor influencing measurement errors are accuracy, precision, range and bandwidth, sensitivity, resolution and uncertainty.