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Measurement and instrumentation
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ Moving iron meters are extensively
used for the measurement of A.C. voltage
and curre nt because no current flows through the moving element and is robust [other wrong options] [Discuss in forum] |
| Q2 ⇒ Following type of instrument is used to
measure very small currents of high
frequency Thermocouple type instrument [other wrong options] [Discuss in forum] |
| Q3 ⇒ An electrodynamic meter can be used
to measure both (a) and (b) [other wrong options] [Discuss in forum] |
| Q4 ⇒ The reed frequency is essentially a vibrational measuring system [other wrong options] [Discuss in forum] |
| Q5 ⇒ Harmonic distortion is due to which of
the following ? Non-linear behaviour of circuit elements [other wrong options] [Discuss in forum] |
| Q6 ⇒ Which of the following is the best
method for the measurement of
temperature of hot bodies radiating
energy in the visible spectrum ? Optical pigometer [other wrong options] [Discuss in forum] |
| Q7 ⇒ ____ is not a signal conditioner Amplifier [other wrong options] [Discuss in forum] |
| Q8 ⇒ The cathode of a C.R.O. is usually
coated with barium or strontium oxide [other wrong options] [Discuss in forum] |
| Q9 ⇒ ____ is a digital transducer. Encoder [other wrong options] [Discuss in forum] |
| Q10 ⇒ Which of the following are integrating
instruments ? Ampere-hour and watt-hour meters [other wrong options] [Discuss in forum] |
| Q11 ⇒ Which of the following devices may be
used for extending the range of instruments
? All of the above [other wrong options] [Discuss in forum] |
| Q12 ⇒ The household energy meter is an integrating instrument [other wrong options] [Discuss in forum] |
| Q13 ⇒ The multiplier and the meter coil in a
voltmeter are in series [other wrong options] [Discuss in forum] |
| Q14 ⇒ In a low power factor wattmeter the
compensating coil is connected in series with pressure coil [other wrong options] [Discuss in forum] |
| Q15 ⇒ The operating voltage of a meggar is
about 100 V [other wrong options] [Discuss in forum] |
| Q16 ⇒ In order to achieve high accuracy, the
slide wire of a potentiometer should be as long as possible [other wrong options] [Discuss in forum] |
| Q17 ⇒ For measurement of inductance having
high value, we should use Hay's bridge [other wrong options] [Discuss in forum] |
| Q18 ⇒ In a vibrating reed frequency meter the
natural frequencies of two adjacent
reeds have a difference of 0.5 Hz [other wrong options] [Discuss in forum] |
| Q19 ⇒ Systematic errors are all of the above [other wrong options] [Discuss in forum] |
| Q20 ⇒ The gravity controlled instrument has
crowded scale because current is proportional
to sine of deflection angle [other wrong options] [Discuss in forum] |
| Or |