1.Which of the following is an undesirable dynamic characteristic of an instrument ?
| A. |
Reproducibility |
| B. |
Dead zone |
| C. |
Time lag |
| D. |
Static error |
|
2.The __________ of a vapor pressure thermometer is a functioning element. |
| A. |
pointer | | B. |
bourdon tube | | C. |
bulb | | D. |
none of these |
|
| |
3.Working principle of radiation pyrometer is based on the |
| A. |
Wien's law | | B. |
Kirchoffs law | | C. |
Stafan-Boltzman law | | D. |
Seebeck effect
|
|
4.
|
In a single tank system, the transfer function of level to inlet flow rate is |
|
|
5.he operation of a rotameter is based on |
| A. |
variable flow area. | | B. |
rotation of a turbine. | | C. |
pressure drop across a nozzle. | | D. |
pressure at a stagnation point. |
|
|
6.Thermal conductivity measurement com-prises the working principle of a |
| A. |
CO2 analyser | | B. |
polarimeter | | C. |
spectrometer | | D. |
chromatograph |
|
| |
7.Smoke density of the flue gas going out of the chimney is measured by a |
| A. |
polarograph | | B. |
thermal conductivity meter | | C. |
photo electric cell | | D. |
chromatograph |
|
8.
|
The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C. |
|
9.
|
Which of the following measurements can be made by the measurement of emf ? |
| A. |
pH value | | B. |
Degree of hydrolysis | | C. |
Composition of complex ions | | D. |
All (a), (b) & (c) |
|
| |
10.A magnetic flowmeter is |
| A. |
based on the principle of Faraday's law. | | B. |
capable of measuring the flow rate of slurries and electrolytes. | | C. |
based on the linear relationship between the fluid flow rate and the induced voltage. | | D. |
all (a), (b) and (c). |
|
From next month you shall get more harder question..solve it & send it
to above mail address--"TEST & PROVE ,YOU ARE THE BEST
THEN OTHER IN THIS WORLD OF COMPETITION".
CONGRATULATION :- Sunil Kumar , B.E
,Control System,has answered 10 questions( 16th sep - 29th sep) correctly...the
team of PPIC congratulates him heartily for his great efforts.
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