Multiple Choice Questions on Measurement and Instrumentation and Practice Test 8
There are 9 questions to be attended in 20 minutes. The questions are on Measurement and Instrumentation. The study material is provided along with the remarks for each answer after you complete the examination to help building knowledge on the subject. It may be better to study before attempting the mock drill so that by the time you reach 9th of the test, you score is around 80-90%. There are 9 question banks of 9 question each and you should attempt each of these question bank to test your preparedness for the final day of the RRB examination for SSE and JE to be held in Dec.
Quiz-summary
0 of 9 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
Information
There are 9 questions to be attended in 20 minutes. The questions are on Measurement and Instrumentation. Read the study material before making an attempt so that you build your confidence in the subject. This is the eighth of the series of 9 questions paper that will appear before the RRB examination for SSE and JE to be held in Dec.
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading...
You must sign in or sign up to start the quiz.
You have to finish following quiz, to start this quiz:
Results
0 of 9 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 points, (0)
| Average score |
|
| Your score |
|
Categories
- Not categorized 0%
-
The Answer Key:
Sl No. Question Answer Remark 1 A piezoelectric force transducer has a charge sensitivity of 20 pC/N. It is connected to a charge amplifier and overall gain of transducer and amplifier is 50 mV/N. The gain of amplifier is 2.5mV/pC The gain of the amplifier will always with volt signal at numerator and input signal at the denominator 2 Pitot tube uses the principle of Bernoulli’s Theorem It uses the principle of Bernoulli’s theorem which states that the stagnant pressure is equal to the static pressure plus dynamic pressure. Dynamic pressure arises due to fluid flow. These tubes are widely used for measurement of speed of air flow in air craft, helicopter, boats etc.This is named after the name of French inventor in 18th century named Henry Pitot. 3 Chronometer is a device to measure very light weights A mechanical chronometer is a spring-driven gear mechanism to convert the rotation into hours, minutes and seconds. 4 What happens to the density of air with increase in humidity? decreases It decreases as the Nitrogen molecules is replaced with Hydrogen and net molecular weight reduces for the same volume 5 Kelvin bridge is uses null galvanometer method for the measurement of Resistance Kelvin bridge is a modified Wheatstone bridge to measure resistance more accurately and in wide range. 6 Magnetic flux is measured using the principle effect given by Hall Flow of electric charge changes its direction due to the presence of electric field and produces voltage signal on the opposite phase. 7 Dummy strain gauge is used along with measuring strain gauge to to compensate for the change caused by temperature variation A dummy gauge, identical to the active strain gauge, is installed in an unstrained sample of the same material as the test specimen. The sample with the dummy gauge is placed in thermal contact with the test specimen, adjacent to the active gauge. The dummy gauge is wired into a Wheatstone bridge on an adjacent arm to the active gauge so that the temperature effects on the active and dummy gauges cancel each other 8 DPT is used for the testing to find out hair or surface cracks DPT is dye penetration test to make the hair cracks visible. A penetrate solution is applied to the surface with low viscosity which penetrates into the hair crack. After settling time, developer is applied and the crack emerges out. 9 Hydrometer works on the principle of vibration is sent and resonant frequency is found out which is dependent on the density of liquid -
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- Answered
- Review
-
Question 1 of 9
1. Question
Kelvin bridge is uses null galvanometer method for the measurement of
-
Question 2 of 9
2. Question
Chronometer is a device
-
Question 3 of 9
3. Question
Hydrometer works on the principle of
-
Question 4 of 9
4. Question
DPT is used for the testing
-
Question 5 of 9
5. Question
A piezoelectric force transducer has a charge sensitivity of 20 pC/N. It is connected to a charge amplifier and overall gain of transducer and amplifier is 50 mV/N. The gain of amplifier is
-
Question 6 of 9
6. Question
Pitot tube uses the principle of
-
Question 7 of 9
7. Question
What happens to the density of air with increase in humidity?
-
Question 8 of 9
8. Question
Magnetic flux is measured using the principle effect given by
-
Question 9 of 9
9. Question
Dummy strain gauge is used along with measuring strain gauge to
You may also like:
- Multiple Choice Questions on Measurement and Instrumentation and Practice Test…
- Multiple Choice Questions on Measurement and Instrumentation and Practice Test…
- Multiple Choice Questions on Measurement and Instrumentation and Practice Test…
- Multiple Choice Questions on Measurement and Instrumentation and Practice Test…
- Multiple Choice Questions on Measurement and Instrumentation and Practice Test…
- Multiple Choice Questions on Measurement and Instrumentation and Practice Test…
how much gsin in quize