Measurement And Instrumentation - Study Mode
[#261] Radiation pyrometers are used in the temperature range of
Correct Answer
(D) 1200 – 2500°C
[#262] The strain gauge should have 1. High gauge factor 2. Low resistance temperature coefficient 3. High resistance Which of the above statements are correct?
Correct Answer
(D) 1, 2 and 3
[#263] Identify the 'CORRECT' statements, 1. Loading effect is primarily caused by instruments having low sensitivity. 2. Relative error is the difference between the measured value and the true value. 3. Resolution is small increment is measurand that can be detected with certainty by the instrument. 4. Moving-coil permanent magnet instruments can be used for the measurements of AC and DC.
Correct Answer
(C) 1 and 3
[#264] Swamping resistor is connected with PMMC meter in order to:
Correct Answer
(D) Minimize the effect of temperature variation
[#265] A delay line is used in high speed CRO to introduce time delay in
Correct Answer
(A) vertical channel