A load cell is essentially a
A.Thermocouple
B.Thermistor
C.Photoconductive device
D.Strain gauge
E.Photo voltaic cell
Category: Mechanical Measurements Mcqs
The specific conductance of good quality raw water is
A.0.1 micro mho/cm
B.1 micro mho/cm
C.10 micro mho/cm
D.100 micro mho/cm
E.1000 micro mho/cm
Which of the following strain gauge material has the highest value of gauge factor?
A.Manganin
B.Nichrome
C.Constantan
D.Soft iron
1 Joule is equal to
A.1012 ergs
B.1010 ergs
C.109 ergs
D.107 ergs
E.105 ergs
Which of the following instrument is suitable for measuring the temperature of a red hot moving material like molten steel or molten cst iron?
A.Gas thermometer
B.Thermistor
C.Thermocouple
D.Radiation pyrometer
E.All of the above
Which of the following has the number of significant figures other than 3?
A.542 A
B.1.65 V
C.0.346 K?
D.4 x 102
Thermocouples are generally used for temperature measurements upto
A.250?C
B.500?C
C.1000?C
D.1600?C
E.2600?C
In the above problem the thermal time constant will be
A.1 hour
B.1.44 hrs
C.2.05 hrs
D.2.55 hrs
E.3.36 hrs
A tellurometer works on the principle of
A.Optics
B.X-rays
C.Propagation of modulated waves
D.High frequency radio waves
E.Reflection of light
