A. Overdamped
B. Critically damped
C. Underdamped
D. Highly fluctuating
When the damping co-efficient (ξ) is unity, the system is __________________? Read More »
Process Control and Instrumentation A. 120°
B. 30°
C. 180°
D. 90°
Phase lag of the sinusoidal response of a first order system is _________________? Read More »
Process Control and Instrumentation A. Flow rates of fluids
B. Flow rates of granular solids
C. Very high temperature
D. Thermal conductivity of gases
Hot wire anemometer is used for the measurement of___________________? Read More »
Process Control and Instrumentation A. Chromel-alumel
B. Iron-constantan
C. Platinum-platinum + rhodium
D. None of these
A. Lead
B. Nickel
C. Copper
D. 30% iron + 70% nickel
A. Chromel-alumel thermocouple
B. Optical pyrometer
C. Radiation pyrometer
D. Either B. or C.
A. Orifice meter
B. Cipolletti weir
C. Rectangular weir
D. V-notch
Liquid flow rate in an open channel cannot be measured by a/an __________________? Read More »
Process Control and Instrumentation A. Decibel = 20 log10 (AR)
B. Decibel = 20 loge (AR)
C. Decibel = 20 log10 (AR)0.5
D. Decibel = 20 loge (AR)0.5
A. 12
B. 36
C. 54
D. 68
A. Rpm of a flywheel
B. Frequency of light
C. Depression of freezing point
D. Liquid level under pressure
Stroboscope is used for the measurement of _________________? Read More »
Process Control and Instrumentation