On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the ______________ of the input signal?

Related Mcqs:

1. For dynamic strain measurement, the Wheatstone bridge used is of ______________ type ?

   A. Voltage sensitive null
   B. Voltage sensitive deflected
   C. Current sensitive deflected
   D. None of these

2. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of _______________ steel bars?

   A. Hot rolled mild
   B. Cold rolled mild
   C. Forged
   D. Machinable stainless

3. The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for ______________ at room temperature ?

   A. Air
   B. Water
   C. Mercury
   D. Alcohol

4. Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of ______________ will facilitate the most accurate measurement of the temperature ?

   A. Copper
   B. Steel
   C. Aluminium
   D. Brass

5. In Newton’s law of viscosity, which states that the shear stress is proportional to the _____________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient) ?

   A. V2
   B. 1/V2
   C. 1/Vg
   D. Vg

6. The substance used as a smoke screen in warfare is___________________?

   A. C2H2
   B. SiCl4
   C. P2O5
   D. PCl5

7. The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the___________________?

   A. Final control element
   B. On-off control
   C. Floating control action
   D. None of these

8. ____________ test is the appropriate test to determine whether a material is ductile or brittle ?

   A. Impact
   B. Cupping
   C. Hardness
   D. Tensile

9. The best guide to judge the general quality of water is the measurement of its__________________?

   A. pH value
   B. Electrical conductivity
   C. Turbidity
   D. Dissolved oxygen content

10. Load cells used for the measurement of weight has______________?

    A. Compact & rugged construction with an accuracy of 0.1 to 1%
    B. No moving parts and incurs negligible deflection under load
    C. Provision of thermal compensation and is hermetically sealed
    D. All A, B & C