Correct Answer is: secondary instrument

Measurement and Instrumentation MCQ Multiple Choice Questions - Page 4 for Practice

Q: 91. A moving-coil permanent-magnet instrument can be used as flux-meter

Correct Answer is: by eliminating the control springs

Q: 93. A multirangq instrument has

Correct Answer is: multiple shunt or series resistances inside the meter

Q: 94. A phase shifting transformer is used in conjunction with

Correct Answer is: Drysdale potentiometer

Q: 95. A potentiometer may be used for

Correct Answer is: calibration of voltmeter

Q: 96. A power factor meter has

Correct Answer is: one current circuit and two presÂ¬sure circuits

Q: 97. A sensitive galvanometer produces large deflection for a

Correct Answer is: small value of current

Q: 98. A universal RLC bridge uses

Correct Answer is: Maxwell Wein bridge for measurement of inductance and modified De Santys bridge for measurement of capacitance

Q: 99. A voltage of about 200 V can be measured

Correct Answer is: a D.C. potentiometer in conjunction with a volt ratio box

Q: 100. A Weston frequency meter is

Correct Answer is: moving iron instrument

Q: 101. A Weston synchronoscope is a

Correct Answer is: dynamometer instrument

91. A moving-coil permanent-magnet instrument can be used as flux-meter

by using a low resistance shunt
by using a high series resistance
by eliminating the control springs
by making control springs of large moment of inertia

92. A moving-coil permanent-magnet instrument can be used as....................by using a low resistance shunt.

ammeter
voltmeter
flux-meter
ballistic galvanometer

93. A multirangq instrument has

multiple shunt or series resistances inside the meter
multicoii arrangement
variable turns of coil
multi range meters inside the measurement system

94. A phase shifting transformer is used in conjunction with

D.C. potentiometer
Drysdale potentiometer
A.C. co-ordinate potentiometer
Crompton potentiometer

95. A potentiometer may be used for

measurement of resistance
measurement of current
calibration of ammeter
calibration of voltmeter

96. A power factor meter has

one current circuit and two presÂ¬sure circuits
one current circuit and one pressure circuit
two current circuits and one presÂ¬sure circuit
none of the above

97. A sensitive galvanometer produces large deflection for a

small value of current
large value of current
large value of power
large value of voitage

98. A universal RLC bridge uses

Maxwell bridge configuration for measurement of inductance and De Santas bridge for measurement of capacitance
Maxwell Wein bridge for measurement of inductance and modified De Santys bridge for measurement of capacitance
Maxwell Wein bridge for measurement of inductance and Wein bridge for measurement of capacitance
Any of the above.

99. A voltage of about 200 V can be measured

directly by a D.C. potentiometer
a D.C. potentiometer in conjunction with a volt ratio box
a D.C. potentiometer in conjunction with a known resistance
none of the above

100. A Weston frequency meter is

moving coil instrument
moving iron instrument
dynamometer instrument
none of the above

101. A Weston synchronoscope is a

moving coil instrument
moving iron instrument
dynamometer instrument
none of the above

102. A..................device prevents the oscillation of the moving system and enables the latter to reach its final position quickly

deflecting
controlling
damping
any of the above

103. According to application, instruments are classified as

switch board
portable
both a and b
moving coil

104. Alternating current is measured by

induction ammeter
permanent magnet type ammeter
electrostatic ammeter
moving iron repulsion type voltmeter

105. An ammeter is a

secondary instrument
absolute instrument
recording instrument
integrating instrument

106. An induction wattmeter can be used for

both D.C. and A.C.
D.C. only
A.C. only
any of the above

107. An instrument transformer is used to extend the range of

induction instrument
electrostatic instrument
moving coil instrument
any of the above

108. An ohmmeter is a

moving iron instrument
moving coil instrument
dynamometer instrument
none of the above