ExamVeda
Login
Home

Consider the following statements in respect of two types of a...

This question belongs to Electronics And Communications Engineering Measurement And Instrumentation
Measurement and Instrumentation
?

Consider the following statements in respect of two types of a dynamometer wattmeter connections are shown below the figure (a) and figure (b).
1. Figure (a) is used when applied voltage is high and load current flowing is low.
2. Figure (b) is used when applied voltage is low and load current flowing is high.
3. If the order of connections in Statements 1 and 2 are in opposite order, gross error will be increased.
4. If the order of connections in Statements 1 and 2 are in opposite order, gross error will be reduced.
Which of the statements given above are correct?
Measurement and Instrumentation mcq question image

Answer & Solution
Correct Answer: Option C
Let's discuss the solution. Join the discussion
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on 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?
A. 1 B. 0.84 C. 0.73 D. 0.65
The spring material used in a spring control device should have the following property.
A. Should be nonmagnetic B. Most be of low temperature coefficient C. Should have low specific resistance D. All of the above
Why is a MISC meter not recommended for DC measurement?
A. The meter is calibrated for AC and it’s error for DC would be high B. The meter does not respond to DC signals C. The error is high due to hysteresis effect D. The error is high due to eddy current effect
A moving iron ammeter may be compensated for frequency errors by
A. A shunt resistance B. A series inductance C. Shunt capacitance D. Series resistance
More Related Questions on Measurement and Instrumentation