• 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
An average reading digital multimeter reads 10 V when fed a triangular wave, symmetric about the axis. For the same input, an rms reading meter will read

 20√3.
 20.
  10√3.
 10.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
A CRO probe has an impedance of 500 kΩ in parallel with a capacitance of 10 pF. The probe is used to measure the voltage between P and Q as shown in figure. The measured voltage will be

 3.53 V.
 5 V.
 4.38 V.
 4.54 V.

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

  0 W.
 50 W.
 25 W.
 100 W.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
Which of the following devices should be used for accurate measurement of low D.C. voltage?

Small range thermocouple voltmeter
Small range moving coil voltmeter
C. potentiometer
None of these

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land?

0.65
0.73
1
0.84

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation
What is the expression for acceleration?

 Mass x acceleration
 Change in velocity / time
 Force x displacement
 Mass x velocity

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
↑