• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Measurement and Instrumentation

Measurement and Instrumentation
Moving iron instruments have _____ scale.

Log
Squared
None of the listed here
Uniform

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is

 54.2.
 31.4.
 25.4.
 20.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
Kelvin’s double bridge is used to measure low resistance because

 effect of contact and lead resistance is eliminated.
 resistance variation due to temperature.
 it has high sensitivity.
 there is no thermo electric emf.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be

 50 W.
 100 W.
 25 W.
  0 W.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be

 260 V.
 250 V.
 248 V.
 252 V.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
The adjustment of position of shading bands, in an energy meter is done to provide

Breaking torque
Creep compensation
Friction compensation
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Measurement and Instrumentation

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑