Choose the correct answer: 1- Present-day applications of measuring instruments can be classified into.-------- a) Regulating trade. b) Monitoring functions. c) Measurement system theory. d) a&b. 2)------------ the output signal consists of a proportion of the external voltage source applied across the two ends of the potentiometer. A) Null-type , B) deflection-type ,C) passive instrument ,D) active instrument. 3)-------------- is thus one consideration in the choice of instrument for a particular application. A) Tolerance, B) Linearity, C) Accuracy, D) Sensitivity. 4) ----------- They have the ability to deal very effectively with systematic errors in measurement systems, and errors can be attenuated to very low levels in many cases. A) Digital instruments , B) Intelligent instruments, C) Analog instruments, D) All. 5) Careful instrument design is the most useful weapon in the battle against environmental inputs; by reducing the ---------of an instrument to environmental inputs to as low a level as possible. A) Linearity, B) Tolerance, C) Accuracy, D) sensitivity.
Power Amplifier
The power amplifier is an electronic amplifier designed to maximize the signal strength of a given input. The input signal strength is enhanced to a high enough level to drive output devices such as speakers, headphones, RF (Radio frequency) transmitters, etc. Unlike voltage / current amplifiers, the power amplifier is designed to drive core loads directly and is used as a storage block in the amplifier series.
Maximum Efficiency Criterion
In every field of engineering, there is a tremendous use of the machine and all those machines are equipped for their popular work efficiency so it very much important for operation engineers to monitor the efficiency of the machine, planning engineers to check out the efficiency of the machine before installing the machine and design engineers to design machine for higher efficiency than and then the utility will procure their products that will ultimately lead to profit and loss of the company. It indicates the importance of efficiency right from the initial stage as manufacturing units, intermediate stage as planning coordinators, and end-users stage as a utility.
Choose the correct answer:
1- Present-day applications of measuring instruments can be classified into.--------
a) Regulating trade. b) Monitoring functions. c) Measurement system theory. d) a&b.
2)------------ the output signal consists of a proportion of the external voltage source applied
across the two ends of the potentiometer.
A) Null-type , B) deflection-type ,C) passive instrument ,D) active instrument.
3)-------------- is thus one consideration in the choice of instrument for a particular
application.
A) Tolerance, B) Linearity, C) Accuracy, D) Sensitivity.
4) ----------- They have the ability to deal very effectively with systematic errors in
measurement systems, and errors can be attenuated to very low levels in many cases.
A) Digital instruments , B) Intelligent instruments, C) Analog instruments, D) All.
5) Careful instrument design is the most useful weapon in the battle against environmental
inputs; by reducing the ---------of an instrument to environmental inputs to as low a level as
possible.
A) Linearity, B) Tolerance, C) Accuracy, D) sensitivity.
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