Multiple Choice Question (MCQ) of Measurements page-21

201. Which of the following instruments have poor overload capacity?

a) All electronics instruments
b) Galvanometric instruments
c) Wattmeters
d) Hot wire instruments

Ans: (d)

202. A Voltmeter should have

a) Infinite resistance
b) Very high resistance
c) Low resistance
d) Zero resistance

Ans: (b)

203. The internal resistance of an ammeter should be

a) Infinite resistance
b) Very small resistance
c) Zero resistance
d) High resistance

Ans: (b)

204. Find the odd man out.

a) Copper Constantan
b) Iron Constantan
c) Platinum-Platinum Rhodium
d) Lead Carbon
e) Nickel Chromium

Ans: (b)

205. The Quality factor meter operates on the principal of series resistance

a) True
b) False

Ans: (a)

206. Which of the following instruments have self balancing property?

a) Galvanometric type
b) Potentiometric type
c) Digital type
d) Ammeters

Ans: (b)

207. Which of the following instruments are most susceptible to vibrations?

a) Galvanometric type
b) Potentionmetric type
c) Digital type
d) Voltmeters

Ans: (a)

208. The source of reference voltage for A.C. potentiometers is a standard cell

a) True
b) False

Ans: (b)

209. Which of the following transducers offer the best accuracy?

a) Strain guage type
b) Diaphragm type
c) Capacitance type
d) Capsule type

Ans: (c)

210. The flow can be measured directly by

a) Pressure transducer
b) Differential Pressure Transducer
c) Differential Pressure transducer and Square Root Extractor
d) Pressure Switch

Ans: (c)

Index